IBPS COMPUTER AWARENESS QUESTIONS PART - II : 801) We are - TopicsExpress

IBPS COMPUTER AWARENESS QUESTIONS PART - II : 801) We are shifting towards computerization because technologies help in meeting the business objectives 802) Spiders search engines continuously send out that starts on a homepage of a server and pursue all links stepwise 803) Static keys make a network insecure 804) Joy Stick is an input device that cannot be used to work in MS Office 805) Artificial intelligence can be used in every sphere of life because of its ability to think like human beings 806) To avoid the wastage of memory, the instruction length should be of word size which is multiple of character size 807) Electronic fund transfer is the exchange of money from one account to another 808) Format menu in MS Word can be use to change page size and typeface 809) Assembly language programs are written using Mnemonics 810) DMA module can communicate with CPU through cycle stealing 811) A stored link to a web page, in order to have a quick and easy access to it later, is called bookmark 812) B2B type of commerce is characterized by low volume and high value transactions in banking 813) Advanced is not a standard MS Office edition 814) Workstation is single user computer with many features and good processing power 815) History list is the name of list that stores the URL’s of web pages and links visited in past few days 816) FDDI access mechanism is similar to that of IEEE 802.5 817) MS Office 2000 included a full-fledged web designing software are called FrontPage 2000 818) Macintosh is IBM’s microcomputer 819) X.21 is physical level standard for X.25 820) Enter key should be pressed to start a new paragraph in MS Word 821) Main frame is most reliable, robust and has a very high processing power. 822) Formatting of these toolbars allows changing of Fonts and their sizes 823) The ZZ command is used to quit editor after saving 824) The program supplied by VSNL when you ask for internet connection for the e-mail access is pine 825) The convenient place to store contact information for quick, retrieval is address book 826) Digital cash is not a component of an e-wanet 827) For electronic banking, we should ensure the existence and procedures with regard to identification of customers who become members electronically 828) Jon Von Neumann developed stored-program concept 829) Hardware and software are mandatory parts of complete PC system 830) Firewall is used in PC for security 831) Two rollers are actually responsible for movement of the cursor in mouse 832) In case of a virus getting into computer NORTON will help 833) Tour the server room is to be done by the auditor while internet banking services audit 834) Documentation while developing a software for a Bank is required for auditing 835) Water supply has not become computerized 836) Concurrency control in distributed database supports multi-user access 837) Fifth generation computers are knowledge processors 838) Transistors were first used in 2nd generation computers 839) Intelligence is not a characteristic of a computer 840) A camera is an processing machine 841) To protect organization from virus or attacks all mails sent and received should be monitored, all messages should be encrypted, E- mails should be used only for official purpose 842) Internet collects millions of people all over the world 843) A computer based information system is a system in which a computer is used to process data to get information 844) The time between program input and outputs is called execution time 845) Third generations of computers have On-line real time systems 846) MIME is a compressor that packages different formats into SMTP compatible type 847) The earliest software was developed using the waterfall model 848) EDI e- commerce system can handle non monetary documents 849) Collection to tracks on a disk forms spindle 850) A disk where number of sectors are fixed is called hard sectored 851) Half duplex transmission techniques let computer to alternatively send and receive data 852) Multiplexing combines signals from different sources into one and sends on a faster channel 853) Message switcher chooses correct data path for an incoming message and forwards it to relevant line 854) Speech recognition use thermal sensors along with infrared rays for identification 855) Trojan horse are self replicating malicious code independent of the action of the user, but slow down the processor on entering a network 856) Generation of PIN in bank ATM would require PIN entered is encrypted 857) Availability, integrity, confidentiality is most necessary for data to be useful 858) Grid is a supercomputer created by networking many small computers 859) A character that changes its value throughout the program is called variables 860) A program coded in programming is done by assembling 861) In write mode of file existing text is replaced by new one 862) When an organization gives contract for development of a software, it has to give data to the service provider. In such cases, the ownership of data should be with the client/organization that outsource services 863) Under a centralized organization Intranet be an effective networking tools 864) For optical fiber used in point to point transmission, the repeater spacing is 10-100 km 865) Favorites are accessible from the start menu 866) Task pre-emption, task priority and semaphores are not needed by server program from an operation system 867) The objective of multiprogramming operating system is to maximize CPU utilization 868) The environment provided to ASP is based on Client/server 869) HUB is layer1 device, central device, dumb device 870) The UNIX, echi command is used to display the message or value of any variable on the screen 871) QAM is used in high speed modem 872) Frame Relay technique uses connection oriented 873) Bipolar always has a non-zero average amplitude 874) In a SONET system, an add/drop multipliers can remove signals from a path 875) The server on the internet is also known as Host 876) For multiple branching in ‘C’ we use switch statement 877) Web site is a collection of HTML documents, graphic files, audio and video files 878) The first network that initiated the internet was ARPANET 879) In MODEMS a digital signal changes some characteristic of a carrier wave 880) The binary values are represented by two different frequencies in frequency shift keying 881) Messenger mailbox is present in Netscape communicator 882) Switching is a method in which multiple communication devices are connected to one another efficiently 883) A bridge recognizes addresses of layer 3 884) EPROM is permanent storage device 885) “.TIF” extension name stands for tagged image format 886) The overhead using BRI is 10 percent of the total data rate 887) In programming languages the key word “Void” means it does not return any value when finished 888) The keyboard shortcut to restart your computer is Ctrl + Alt + Del 889) FORTRAN is not a programming language 890) The instruction LOAD A is a one address instruction 891) MS-Excel is also known as spread sheet 892) Manchester encoding is used in Ethernet technology 893) The instruction of a program which is currently being executed are stored in main memory 894) In DOS environment, the command used to save the file is ^Z 895) All high level language uses compiler and interpreter 896) In html coding …… tag is used to display a paragraph 897) In HTML coding, the following attributes color, size, face used in font tag 898) DHTML stands for dynamic hyper text markup language 899) Fiber optics cable supports data rate up to 100 mbps to 2 gbps 900) In Photoshop software we can modify, delete, and edit the image 901) Most common channel used by networks today is telephone lines 902) Sybase SQL server and Microsoft SQL server 7.0 is not an example of RDBMS 903) In programming language, Null point is used to tell end of linked list 904) A technique which collects all deleted space onto free storage list is called garbage collection 905) Node to node delivery of the data unit is the responsibility of the data link layer 906) Insulating material is the major factor that makes co axial cable less susceptible to noise than twisted pair cable 907) A data communication system covering an area the size of a town or city is MAN 908) Virtual memory system allows the employment of the full address space 909) The basic circuit of ECL supports the OR-NOR logic 910) Micro instructions are kept in control store 911) In HTML coding no shade attribute of HR tag suppresses the shading effect and fields a solid line 912) Internet domains are classified by their functions. In that regard “” represents commercial 913) HTTP in URL stands for hyper text transfer protocol 914) The “Nyquist theorem” specifies the minimum sampling rate to be twice the bandwidth of a signal 915) Memory allocation at the routine is known as dynamic memory allocation 916) In HTML loading, tag is used for displaying a new line 917) HTTP protocols are used by internet mail 918) A policy on firewalls needs not ensure that it is logically secured 919) The script which is designed to receive value from the web users is java script 920) GET method and HEAD method is the C91 method of involving a C91 program 921) Analog switched line telephone service is least expensive 922) A toll used to find a synonym or antonym for a particular word is thesaurus 923) In C++ coding, Coutoutput would append a file called test to the end of a file called output 983) In a network with 25 computers, mesh topology would require the more extensive cabling 984) Dialog control is a function of the presentation layer 985) The program which takes user input, interprets it and takes necessary action is shell 986) Most appropriate data structure in C to represent linked list is array 987) Menu bar is usually located below that title bar that provides categorized options 988) Latest version of Microsoft Word is Word XP 989) You save your computer files on disc and in folders 990) when the text automatically goes onto the next line this is called word wrap 991) WYSIWYG is short for what you see is what you get 992) Left justify is the same as align left 993) To put text on the right of the page use the align right button 994) Lotus 1-2-3 is a popular DOS based spreadsheet package 995) 65,535 characters can be typed in a single cell in excel 996) Comments put in cells are called cell tip 997) Getting data from a cell located in a different sheet is called referencing 998) A numeric value can be treated as a label value if it precedes with apostrophe 999) Data can be arranged in a worksheet in an easy to understand manner using auto formatting, applying styles, changing fonts 1000) An excel workbook is a collection of worksheets and charts 1001) Most manufacturers setup their BIOS to load into upper memory during the boot process 1002) Device drivers loaded in the config.sys file is loaded into the following memory area: Conventional memory 1003) 40ns memory speeds is the fastest 1004) System software often uses the ROM BIOS 1005) In CMOS setup, if you enable shadowing ROM is copied to RAM 1006) Static variables are local to the block in which they are declared. 1007) During the normal PC boot process, ROM BIOS is active first 1008) During boot-up, the memory test checks and verifies that contiguous memory is installed 1009) 601 error code identifies a floppy drive problem 1010) If you get frequent general protection faults, this could indicate poor quality of memory chips 1011) You are looking at a memory module thought to be a DIMM module. 168 pins would be on a DIMM module 1012) The system BIOS and ROM chips are called firmware 1013) Extended located above the first 1024K of memory 1014) WRAM type of RAM is normally the fastest 1015) RAM component is used for short-term data storage 1016) A SIMM has 40 pins 1017) RAM provides quickest access to data 1018) Narrowcast linking is not a transmission technology 1019) The data flow diagram is for analyzing requirements of user 1020) The elements of computer processing system are hardware, data, users and procedures 1021) On August 23, 2005 an accounting clerk prepared an invoice dated August 31, 2005. Range check control can check this 1022) Library management software is for documenting the changes that are made to program and controlling the version numbers of the programs 1023) Steganography is hiding the data but not necessarily making it invisible and not easily detectable 1024) A computer is an electronic device 1025) An online transaction is transaction done via internet 1026) Using anti-virus software is preventive measure 1027) For security we should consider local data reduction, event correction low resource utilization 1028) OS is not a peripheral of PC 1029) The most common input device used today is keyboard 1030) The third generation of the computer were in 1965-1971 1031) Gateways to allow a network to use the resources of another main frame is a component of internet 1032) Mouse cannot be shared 1033) EDI means electronic data interface 1034) Mainframes network where a huge compute does all computing and front end PCs are dumb terminals 1035) A modem that cannot be moved from its position is called fixed modem 1036) A device that receives data from slow speed devices, and transmits it to different locations is called remote concentrator 1037) Organization would prefer in house development of software to ensure that the development adhere to defined quality 1038) Actual intelligence is not a feature of PC 1039) Network that uses two OSI protocol layers as against three used in X.25 is a “frame relay” 1040) Microsoft excel is versatile application and spread sheet program 1041) System flowcharts show relationship that link the input processing and output of the system 1042) To identifying the system to be tested the penetration testing is done 1043) Platform in computer world means computer hardware and operating systems 1044) A character that retains its value during program execution is constants 1045) Data accuracy is not done by modem 1046) OMR is used to read choice filled up by a student in common entrance tests 1047) The term remote with respect to network means machine located far off 1048) In two-tier client server architecture the client is usually fat client 1049) The senior management provides the go-ahead approval for the development of projects 1050) Manual data can be put into computer by Scanner 1051) E-mail address is made up of two parts 1052) The normal way to undo a command by pressing the following key combinations together CTRL-Z 1053) The owner of a process is user that invokes the process 1054) In datagram packet switching all the datagram’s of a message follow the same channel of a path 1055) X.25 LAPP uses a specific subset of HDLC protocol 1056) Presentation layer of the OSI reference model is concerned with the syntax of data exchanged between application entities 1057) Edge-triggered D flip –flop memory elements uses an PC circuit at its input 1058) Programs that extend the capabilities of a server are C41 scripts 1059) The primary goal of ISDN is the integration of voice services and non-voice services 1060) Flow control in OSI model is done by transport layer 1061) The optical links between any two SONET devices is called a section 1062) A user can get files from another compute on the internet by using FTP 1063) The key fields which are tested by a packet filtering firewall are source IP address , TCP/UDP source port, destination IP address 1064) The server on the internet is also known as gateway 1065) VBScript can perform calculation of data 1066) In MS-Word, ‘mail merge’ can be defined writing a letter once and dispatching it to a number of recipients 1067) Coaxial cables are good for digital transmission and long distance transmission 1068) LRU is a page replacement policy used for memory management 1069) Commercial TV is an example of distributive services with user control 1070) The exact format of frame in case of synchronous transmission depends on whether transmission scheme is either character oriented or bit oriented 1071) RING topology is least affected by addition/remove of a node 1072) EX-OR gates recognizes only words that have an odd number of 1 1073) To interconnect two homogenous WAN’s we need a router 1074) Co-axial cables provides data rates over 50 mbps 1075) The outermost orbit of an atom can have a maximum of 8 electrons 1076) The protocol for sharing hypertext information on the world wide web is HTTP 1077) ISDN’s basic rate interface (BRI) is also known as 2 D + B 1078) The mode of data transmission of unshielded twisted pair cable is full duplex 1079) Data accuracy is not done by modem 1080) Query is used to answer a question about a database 1081) AM and FM are examples of analog to analog modulation 1082) Redundancy is the concept of sending extra bits for use in error detection 1083) The physical layer is concerned with transmission of bits over the physical medium 1084) The number of input lines required for a 8 to 1 multiplexes is 8 1085) The bar-code (rectangular pattern of lines of varying width and spaces) used for automatic product identification by computer 1086) FSK is most affected by noise 1087) Stack is a LIFO structure 1088) CPU is not an input device of a computer 1089) Program of a computer presented as a sequence of instructions in the form of binary numbers is called machine language 1090) Possible problems with java scrip can be security or limited graphics and multimedia capabilities 1091) For locating any document on the WWW. There is a unique address known as URL 1092) Design view would use to define a table and specify fields 1093) Traversal process is faster for threaded trees compared with their unthreaded counterparts 1094) The command used to display help on any particular command is man 1095) In C++ programming, the extension of program is .cpp 1096) A generic team that refers to the combination of all commercial transactions executed over electronic media for the exchange of product and services 1097) In DOS, the command used to create a new file is called copy con 1098) Backup helps you to create a copy of the information on your hard disk and saves original data in case data on your computer got damaged or corrupted due to malfunctioning of hard-disk 1099) LAN is usually privately owned and links the devices in a single office, building or campus 1100) In justified type of alignment, text gets aligned along both left and right margins 1101) The internal programming language for a particular chip is called machine language 1102) The inner core of an optical fiber is glass and plastic in composition 1103) When a small amount of trivalent impurity is added to a pure-semiconductor it is called P-type semiconductor 1104) In MS-Access, a table can have one primary key/keys 1105) In DOS, Deltree command is used to delete all the files as well as sub-directories of a directory 1106) Netscape navigator is a web-browser 1107) Multiplexing involves one path and one channel 1108) Table, form, queries, reports, macros, modules are objects in an access database 1109) The clown command in UNIX changes home directory of a user 1110) BCD stands for binary coded decimal 1111) When we run a program in HTML coding, notepad is used as backend and internet-explorer works as front end 1112) If the M bit in X.25 standard is set to 1, it means that thee is more than one packet 1113) The modem is a device that connects n input stream outputs 1114) Array is linear data structure 1115) A T.V. broadcast is an example of simplex transmission 1116) Search engine will search its database to find items whose tent contains all or at least one of the words given to it 1117) In UNIX, command “! $” is used to repeat entire less command line 1118) PCM is an example of analog to digital 1119) A simple protocol used for fetching an e-mail from a mailbox is POP 3 1120) For a small web site, one needs to buy space from the ISP 1121) An operating system that acts as an intermediary between user and computer hardware 1122) Attair, the world’s first personal computer, was introduced in the year 1979 1123) Half duplex data flows in both directions, but any one direction at the time 1124) Ring requires a central controller or hub 1125) The OSI model consists of seven layers 1126) The main job of one of the following is to allocate CPU to processes scheduler 1127) 10,500 valid Min & Max zoom sizes in MS office 1128) Before printing a document you should always use print preview 1129) Excel XP is the latest version of excel 1130) A worksheet can have a maximum of 256 number of rows 1131) Character is not a valid data type in Excel 1132) Formula bar in an Excel window allows entering values and formulas 1133) Direct memory access is a technique for transferring data from main memory to a device without passing it through the CPU 1134) 5 30-bit SIMMS are required to populate a bank on a 486 system that has a 32-bit data bus 1135) SRAM uses a clock to synchronize a memory chip’s input and output signal 1136) Cycle-stealing type of DMA transfer will operate when a CPU is operating 1137) A series 100 POST error code indicates a problem with the system board 1138) You have an old PC that you decide to upgrade with a 1 gig IDE hard drive. You find that you can’t configure CMOS to see the entire hard drive. The best you can do is 540 meg. Then use a device driver that makes the bios see the drive as 1139) When SHADOWING is enabled in computers BIOS Instructions stored in various ROM chips are copied into 1140) POST stands for power on self test 1141) Checking the hard disk while running Windows 3.1, you discover a very large file called 396SPART.PAR. That file is windows permanent swap file 1142) CMOS contains the computer BIOS and maintains its data with the use of a battery for periods when the system is powered down 1143) TSR stands for terminate and stay 1144) LAN is not an inter network 1145) Memory is temporary and storage is permanent 1146) Echo checking cannot assure data accuracy in an application 1147) Focus on manual records is not necessary for computerization system in a bank 1148) Permanent establishment, residence-based, Income based classification are the approaches used to tax online transactions 1149) Computer of computer communication for business transactions is called EDI 1150) Client-server computing is used in Network multi-media 1151) Back up of files is taken for security 1152) Operating system is not a software category 1153) Computer program looking “normal” but containing harmful code is infected by Trojan horse 1154) Private key is used to append a digital signature 1155) Most dangerous risk in leaking of information is ignorance about the existence of risk 1156) IMAP (Internet message access protocol) takes care of E-mail at client side 1157) The CPU has control unit, arithmetic-logic unit and primary storage 1158) 1st generation computer is the bulkiest PC 1159) E-R diagram represents relationship between entities of system 1160) User is technically least sound 1161) Minicomputers is not there during fourth generation computer 1162) Microchip is unique to a smartcard 1163) Internet was started as network for defences forces of America 1164) A program permanently stored in hardware is called firmware 1165) Taking back-up of a file against crash is a curative measure 1166) Simplex transmission technique permits data flow in only one direction 1167) Front end processor relieves the host computer from tedious jobs and does them itself 1168) Software can’t be touched 1169) Physical access to a database can be altered by hiring procedure 1170) The sound signal carried by telephone line is analog 1171) All decisions for LAN are taken by the IT steering committee 1172) An input device gives data to a computer 1173) Correction of program is done by debugging 1174) File transfer is the function of the application layer 1175) A policy on firewalls need not ensure that is logically secured 1176) A modem performs modulation, demodulation, data compression 1177) Personnel security does not fall under the category of operations to be performed during development of software 1178) CASE tool cannot help with understanding requirements 1179) UPC cannot be used for source of data automation 1180) The banks are MICR device to minimize conversion process 1181) MP3 files cannot be navigated using ClipArt browser 1182) Close option in File pull-down menu is used to close a file in MSWord 1183) 3 ½ is the size of a standard floppy disc 1184) When entering in a lot of text in capitals you should use the caps lock key 1185) Files created with Lotus 1-2-3 have an extension 123 1186) Contents, objects, Scenarios of a worksheet can be protected from accidental modification 1187) Device drivers that are loaded in windows 3.X are loaded into the sytem.ini file 1188) 30 pin SIMM’s, 72 pin SIMM’s, 168 pin DIMM’s types of RAM sockets can be seen on mother boards 1189) The Power on self test determines the amount of memory present, the date/time, and which communications ports and display adapters are installed in a microcomputer 1190) Virtual memory refers to using a file on the hard disk to simulate RAM 1191) BIOS (ROM) is considered firmware 1192) A population application of computer networking is the WWW of newsgroup called Netnews 1193) a = 10; export a is a valid command sequence in UNIX 1194) Set date will you give in UNIX to display system time 1195) Circuit switched network networks requires that all channels in a message transmission path be of the same speed 1196) The Vi program available under UNIX can be created to open a virtual terminal 1197) A 4-bit ring counter is initially loaded with 1001 1198) The standard defined for fiber optics is 802.8 1199) Digitizers can be converted from “dumb” to “smart” through the addition of a microprocessor 1200) The extension of database file is given by dbf 1201) VRML code is based on Unicode 1202) Use net discussion groups have their own system of organization to help you find things just as internet excel 1203) Http protocol is used for WWW 1204) Protocol conversion can be handled by gateway 1205) In ISDN teleservices, the network can change or process the contents of data 1206) A longer instruction length may be -1024 to 1023 1207) A microprocessor is a processor with a reduced instruction set and power requirement 1208) The term server refers to any device that offers a service to network users 1209) Using HTML, Front page, DHTML we can make web-site 1210) Usually security in a network is achieved by cryptography 1211) PSTN stands for public switched telephone network 1212) A thyratron cannot be used as a amplifier 1213) An input device conceptually similar to mouse is joystick 1214) Netscape navigator and other browsers such as the internet explorer are available free on the internet 1215) In MS-logo Bye command is used to come out from that screen 1216) In C++ programming, the command to save the program file is F3 1217) Data lines which provide path for moving data between system modules are known as data bus 1218) Bubble sort technique does not use divide and conquer methodology 1219) The OSI model shows how the network functions of computer to be organized 1220) A 8 bit microprocessor must have 8 data lines 1221) A protocol that permits the transfer of files between computer on the network is FIP 1222) A data structure, in which an element is added and removed only from one end is known as stack 1223) In linked list, the successive elements must occupy contiguous space in memory 1224) In OSI model reference, layer 2 lies in between the physical layer and the network layer 1225) In synchronous TDM, for n signal sources, each frame contains at least n slots 1226) Mouse and joystick are graphic input devices 1227) In linked list, a node contains at least node number, data field 1228) Gopher is not a web browser 1229) Device drivers controls the interaction between the hardware devices and operating systems 1230) The shortest path in routing can refer to the least expensive path 1231) An ordinary pen which is used to indicate locations on the computer screen by sensing the ray of light being emitted by the screen, is called light pen 1232) Netiquettes are some rules and regulations that have to be followed by users 1233) Gateway uses the greatest number of layers in the OSI model 1234) A set of standards by which servers communicate with external programs is called common gateway interface 1235) UNIVAC is a computer belonging to third generation 1236) API allows a client/server relationship to be developed between an existing host application and a PC client 1237) Semi-insulator is a substance which has resistivity in between conductors and insulators 1238) Multi vibrator is a two stage amplifier with output of one feedback to the input of the other 1239) Macro is used to automate a particular task or a series of tasks 1240) Internet is network of networks 1241) A set of devices or combination of hardware and software that protects the systems on one side from system on the other side is firewall 1242) Simple, transparent, multi post are bridge types 1243) When bandwidth of medium exceeds the required bandwidth of signals to be transmitted we use frequency division multiplexing 1244) Direct or random access of element is not possible in linked list 1245) In Dos, the “Label” command is used to display the label of disk 1246) At the lower end of electromagnetic spectrum we have radio wave 1247) In Word, Ctrl + Del combination of keys is pressed to delete an entire word 1248) Plotters are very useful in applications such as computer aided design 1249) Web browser is a type of network application software 1250) 65535 characters can be typed in a single cell in Excel 1251) Overtime analysis is useful for formulating personnel policies and derived form the payroll system 1252) Multiple worksheets can be created and used at a time 1253) UNIX is both time sharing and multiprogramming system 1254) Floppy Disk is universal portable and inexpensive but has its own limitation in terms of storage capacity and speed 1255) Personal computers currently sold in India have main memories at an entry level in the range of megabytes 1256) UNIX has better security for files relative to MS-DOS 1257) The UNIX operating system has been written in C language 1258) Syntax errors is flagged by compilers 1259) PARAM is an example of super computer 1260) Mother board holds the ROM, CPU, RAM and expansion cards 1261) CD-ROM is as a magnetic memory 1262) The binary number system has a base 2 1263) GUI is used as an interface between software and user 1264) E-mail is transaction of letters, messages and memos over communications network 1265) Device drivers are small , special purpose programs 1266) LAN refers to a small, single site network 1267) One megabyte equals approximately 1 million bytes 1268) Magnetic tape is not practical for applications where data must be quickly recalled because tape is a sequential access medium 1269) User id, URI and time stamp is not used by organization when a user visits its site 1270) DBRM takes care of storage of data in a data base 1271) Plotters give the highest quality output 1272) Encrypting file system features of windows XP professional operating system protects the data of a user, even if the computer is shared between users 1273) Loading is not required for high level language program before it is executed 1274) Top – bottom approach cannot be the measure of network traffic 1275) Devices such as magnetic disks, hard disks, and compact disks, which are used to store information, are secondary storage devices 1276) Various input and output devices have a standard way of connecting to the CPU and Memory. These are called interface standards 1277) The place where the standard interfaces are provided to connect to the CPU and Memory is known as Port 1278) Binary numbers are positional numbers 1279) The base of the hexadecimal system is sixteen 1280) Display capabilities of monitor are determined by adapter card 1281) Mouse has a use in graphical user interface and applications as input device 1282) Drum plotter, flat bed plotter, graphic display device is an output device 1283) The time taken to write a word in a memory is known as write name 1284) 1 MB is equivalent to 2 (to the power of 20 bytes) 1285) A memory cell, which does not loose the bit stored in it when no power is supplied to the cell, is known as non-volatile cell 1286) Magnetic surface recoding devices used in computers such as hard disks, floppy disks, CD-ROMs are called secondary / auxiliary storage devices 1287) The electronic circuits / devices used in building the computer that executes the software is known as hardware 1288) Assembler is a translator which translates assembly language program into a machine language program 1289) Interpreter is a translator which translates high level language program into a machine language program 1290) Machine language programs are machine dependent 1291) The programs written in assembly language are machine independent 1292) High level languages are developed to allow application programs, which are machine independent 1293) The Vacuum tubes are related to first generation computers 1294) Mark I was the first computer that used mechanical switches 1295) First generation computers relied on machine language to perform operations, and they only solve one problem at a time 1296) In first generation computers input was based on punched cards 1297) In second generation computers input was based on print outs 1298) Vacuum tube generates more energy and consumes more electricity 1299) Second generation computers moved from cryptic binary machine language to symbolic, or assembly languages which allowed programmers to specify instructions in words 1300) Most electronic devices today use some form of integrated circuits placed on printed circuit boards thin pieces of bakelite or fiberglass that have electrical connections etched onto them is called mother board 1301) The operating system, which allowed the device to run many different applications at one time with a central program that monitored the memory was introduced in third generation computers 1302) In third generation computers, users interacted through keyboards and monitors 1303) The fourth generation computers saw the development of GUIs, the mouse and handheld devices 1304) First computers that stored instructions in memory are second generation computers 1305) In second generation computers transistors replaced vacuum tubes 1306) The micro processor was introduced in fourth generation computer 1307) Integrated Circuits (IC) are introduced and the replacement of transistors started in third generation computers 1308) Fifth generation computing is based on artificial intelligence 1309) Assembly language is low-level language 1310) In assembly language mnemonics are used to code operations, alphanumeric symbols are used for address, language lies between high-level language and machine language 1311) The computer’s secondary memory is characterized by low cost per bit stored 1312) Acknowledgement from a computer that a packet of data has been received and verified is known as ACK 1313) Acoustic coupler is a communications device which allows an ordinary telephone to be used with a computer device for data transmission 1314) ALGOL is a high-level language 1315) A high level programming language named after Ada Augusta, coworker with Charles Babbage is Ada 1316) Adder is a logic circuit capable of forming the sum of two or more quantities 1317) To identify particular location in storage area one have a address 1318) A local storage register in the CPU which contains the address of the next instruction to be executed is referred as address register 1319) A sequence of precise and unambiguous instructions for solving a problem in a finite number of operations is referred as algorithm 1320) PC/AT is an example of Bi-directional keyboard interface 1321) DIMM is not an I/O bus 1322) PCI bus is often called as mezzanine bus 1323) 8088 is an original IBM PC inter CPU chip 1324) 80386 is a 32-bit processor 1325) A Pentium or Pentium pro board should run at 60 or 66 MHZ 1326) The maximum bandwidth of EISA bus is 33 M/sec 1327) A computer system runs millions of cycles per second so that speed is measured in MHz 1328) Heat sink is the metal device that draws heat away from an electronic device 1329) Pentium chip has 64 bit & 32 bit registers 1330) A mother board should contain at least 4 memory sockets 1331) The 1.2 MB drive spin at 360 rpm 1332) Intensity of sound is called amplitude 1333) A single zero bit is called starting bit 1334) PnP stands for plug and play 1335) A computers system’s clock speed is measured as frequency 1336) Maximum RAM of XT type is 1 M 1337) The data in 8 bit bus is sent along 8 wires simultaneously in parallel 1338) The bus is simple series of connection that carry common signals 1339) Mainly memories are divided into two types they are logical memories and physical memories 1340) System based on the new Pentium II processor have the extended memory limit of 4G 1341) Full form of EMS memory is excluded memory specification 1342) The 286 & 386 CPU have 24 address lines 1343) Bus has both the common meaning and computer meaning 1344) Data on a floppy disk is recorded in rings called tracks 1345) A group of characters that have a predefined meaning database 1346) In a spreadsheet a cell is defined as the intersection of a row and column 1347) Document file is created by word processing programs 1348) Real time is not a type of error 1349) The mouse device drivers, if loaded in the config.sys file, its typically called mouse.sys 1350) Peer to peer means computer to computer 1351) RLL refers to run length limits 1352) The most important aspect of job scheduling is the ability to multiprogramming 1353) Modem is a modulator-demodulator system 1354) A data communication system requires terminal device, communication channel, protocols 1355) The start button appears at the lower left of the screen 1356) Windows is GUI 1357) TIF stands for tagged image format 1358) The first network that initiated the internet is ARPANET 1359) In modems a digital signal changes some characteristic of a carrier wave 1360) Favorites are accessible from the start menu 1361) The virus is a software program 1362) BANK’S is not memory chip 1363) We use RAM code to operate EGA 1364) A scanner is attached to LPT or SCSI host adapter port 1365) RAM bus is not a bus 1366) Processor bus is the fastest speed bus in system 1367) Resolution is the amount of detail that a monitor can render 1368) Sound blaster is a family of sound cards sold by creative labs 1369) MIDI is a family of sound cards sold by creative labs 1370) MIDI is a standard for connecting musical instruments to PC’s 1371) By connecting a MIDI cable to the joystick port you can connect your PC to a MIDI device 1372) MPC stands for multimedia personal computer 1373) Video cards, video and graphics card are example of video & audio 1374) The display technology used by monitor is CRT 1375) On a LAN each personal computer is called workstations 1376) The CPU is the next most important file server after the hard disk 1377) It is best to use the game adaptor interface on the sound card and disable any other on system 1378) Mouse port uses keyboard controller 1379) The number of sectors per track in 1.44 MB floppy disk is 18 1380) Pentium II system can address 62 G memory 1381) The mouse was invented by Englebart 1382) The server’s network adapter card is its link to all the work stations on LAN 1383) Magnetic drives such as floppy and hard disk drives operate by electro magnetism 1384) Clock timing is used to determine that start and end of each bit cell 1385) Head designs are of 4 types 1386) Latency is the average time that it takes for a sector to be a available after the heads 1387) Each sector is having 512 bytes 1388) DDD means digital diagnostic disk 1389) PC Technical is written in assembly language and has direct access to the system’s hardware for testing 1390) Check it pro deluxe gives detailed information about the system hardware 1391) The last 128k of reserved memory is used by mother board 1392) There are 80 cylinders are there for an 1.44 m floppy 1393) IBM changed ROM on the system to support key boards 1394) +12 V signal for disk drive is used for power supply 1395) CD ROM’s are single sided 1396) The storage capacity of a CDROM is 650 MB 1397) XGB has 2048 K graphic memory 1398) Most sound boards generate sounds by using fm synthesis 1399) Microscope helps you trouble shoot PS/2 system 1400) General purpose of diagnostic program run in batch mode 1401) The routing of data elements are called bits 1402) Operating system often called as kernel 1403) IPC stands for inter process communication 1404) Many programming errors are detected by the hardware 1405) When a process exists, he operating system must free the disk space used by its memory image 1406) Buffering attempts to keep both CPU and I/O device busy all the time 1407) Software is not an example of file mapping 1408) The most important aspect of job scheduling is the ability to multiprogramming 1409) There are two types of floppy disks 1410) System calls can be grouped into three major categories 1411) “FIFO” stands for first in first out 1412) In the two-level directory structure, each user has its own user file directory 1413) The number of bytes in a page is always a power of 2 1414) A process that does not determinate while the operating system is functionary is called dynamic 1415) The three main types of computer programming languages are machine language, assembly language, high level language 1416) There are 2 types of processor modes 1417) An input device is an electromechanical device that generates data for a computer to read 1418) The first implementation of UNIX was developed at Bell Telephone Laboratories in the early 1970 1419) A connection less protocol is more dynamic 1420) The throughput is a measure of work for processor 1421) COBOL stands for common business oriented language 1422) Reset button is used to do cool booting 1423) In MS-EXCEL the no of rows, no of columns are 16384,256 1424) FOXPRO is a package and programming language 1425) Mostly used date format in computer is MM-DD-YY 1426) Reservation of train ticket uses real time mode of processing 1427) A floppy disk is a thin plastic disc coated with magnetic oxide 1428) In binary addition 1+1 = 1 1429) Universal building blocks of a computer system are NAND & NOR 1430) In COBOL programming characters length per line is 64 1431) In FOXPRO, the maximum fields in a record are 128 1432) QUIT command is used to come out of FOXPRO 1433) Count command is used to count the specified records in a file with or without condition 1434) F1 key is pressed for help in FOXPRO 1435) One Giga byte = 1024 mega bytes 1436) Small scale integration chip contains less than 12 gates 1437) The most common monitor sizes are 14, 15, 17 1438) IBM PC and DOS has BIOS support for 3 LPT ports 1439) EDO stands for external data organizer 1440) The number of wires in IDE Hard Disk cable are 16 1441) If the data transfer rate is 150 k/sec then it is called single speed 1442) A typical buffer for a CD-ROM drives 156 K 1443) The 2.88 M floppy drives have 36 no of sectors 1444) 1 MB is equal to 2 (to the power of 10 KB) 1445) ROM is a primary storage device 1446) The process of loading and starting up DOS is called booting 1447) The Dos Prompt is mainly C:> 1448) C:>ver is used for displaying current version name 1449) Intel 440x “Natoma” is an example for mother board chipset 1450) Direct memory access channels are used by medium speed communication devices 1451) The 486 Sx chip is twice as fast as a 386 Dx with same clock speed 1452) On a 286 or 386 sx system, the extended memory limits 16M 1453) The 385 Dx, 386 CPU have 32 address lines 1454) Shared memory does require 16 K of VMA space 1455) DIMM’s are 168 pin modules 1456) The function of +12V power supple is to run disk drive motors and also cooling fans 1457) SPS generally referred as rechargeable batteries 1458) Parallel interface is not the interfaces that can be used to connect the mouse to the computer 1459) The mouse interrupts usually occurs if the system uses a mouse port 1460) The video adapter BIOS handles communication between the Video Chipset & Video Ram 1461) Pentium pro CPU’s have full of 323, they can track of 44 G of memory in address lines 1462) The processor bus is the communications path way between CPU and immediate support chip 1463) VL-bus can move data 32 bit at a time 1464) A modem attached to system on COM ports 1465) Horizontal scan refers to the speed at which the electron beam across the screen 1466) RGB monitor display 80 column text 1467) When transition changes from negative to positive the head would detect positive voltage spike 1468) Animation means to make still picture, move and talk like in cartoon pictures 1469) Analogues: The use of a system in which the data is of a continuously variable physical quantity such as voltage or angular person 1470) Animation: A simulation of movement created by displaying a series of pictures or frames 1471) Application means a piece of software designed to meet a specific purpose 1472) Active X is a model for writing programs. Active X technology is used to make interactive Web pages that look and behave like computer programs, rather than static pages. With Active X, users can ask or answer questions, use push buttons, and interact in other ways with the web page 1473) Batch processing is a technique in which a number of similar items or transactions are processed in groups or batches during a machine run 1474) BIS: Bureau of Indian Standards. It is a national organization of India to define standards 1475) Browser is a link between the computer and the internet. It’s actually a program that provides a way to look in the hand interact with all information on the internet. A browser is a client program that uses the Hypertext Transfer Protocol (http) to make requests of Web servers throughout the Internet on behalf of the browser user. 1476) CIO (Chief information officer) : The senior executive in a company responsible for information management and for delivering IT services 1477) Client/server architecture: A type of network in which computer processing is distributed among many individual PCs and a more powerful, central computer clients can share files and retrieve data stored on the server 1478) Collaborative software: Groupware, such as Lotus Notes or Microsoft Exchange 1479) Computer-Aided design: Refers to any computer-enabled method of design also called computer-assisted design. 1480) Commuter: A group of electronic device used for performing multipurpose tasks 1481) Channel: It consists of controller card, interface cable and power supply 1482) CORBA: CORBA is the acronym for Common Object Request Broker Architecture 1483) CBT: Computer based training 1484) Certification: Skills and knowledge assessment process 1485) Computer Crime: The act of stealing, cheating or otherwise defrauding an organization with the use of a computer 1486) Cyber café: Café offering internet browsing facility 1487) Cryptography: Method used to protect privacy and security on the internet 1488) DBMS: An acronym for the database management system. A program that maintains and controls the access to collection of related information in electronic files 1489) Data: Facts coded and structured for subsequent processing, generally using a computer system 1490) Digital signature: Encrypted signature used for providing security for the messages/data transferred through the internet 1491) Digital computer: A device that manipulates discrete data and performs arithmetic and logic operations on these data 1492) Data transmission: The movement of data from one location of storage to another. If the locations are geographically far away, generally done via satellites. 1493) Disk Mirroring: The data is written on two or more hard disks simultaneously over the same channel 1494) Disk Duple Xing: The data is written on two or more hard disks simultaneously over the different channel 1495) Dumb Terminals: Hardware configuration consisting of a keyboard and monitor that is capable of sending and receiving information but has no memory or processing capabilities. 1496) Download: Process of transferring a file system from one system to another 1497) E-commerce: Business transactions conducted over extranets or the internet 1498) Enterprise, resource planning: An integrated system of operation application combining logistics, production, contract and order management, sales forecasting and financial and HR management 1499) Electronic data interchange (EDI) : Electronic transmission or documents through point to point connections using a set of standard forms, message and data elements, this can be via leased lines private networks or the internet 1500) Data processing: It is a method concerning with the systematic recording, arranging, filing, processing and dissemination of facts of business