Some more computer notes. 501) A compiler breaks the source code into a uniform stream of tokens by lexical analysis 502) The number of processes that may running at the same time in a large system can be thousands 503) LET.BAS files are related to Microsoft word utility 504) A command in UNIX can have one or more arguments 505) A hard disk is logically organized according to cylinders and sectors 506) A frame can include text & graphics, tables & graphics, graphics 507) All the formatting data for the paragraph is stored in the paragraph mark 508) The abbreviation CAD stands for computer aided design 509) We can define hypertext definition in notebooks using Macsyma 2.0 510) The addressing mode(s) that can be used in a formula is/are- absolute, relative and mixed 511) WINDOWS can work in enhanced and standard modes 512) The part of a machine level instruction which tells the central processor what has to be done is an operation code 513) O-Matrix software packages do not have animation capabilities 514) In order to paste text form the clipboard in the document being edited, press the Ctrl-A key 515) A program that converts a high level language program to a set of instructions that can run on a computer is called a compiler 516) Faster execution of programs is not an advantage of a subroutine 517) First generation of computer period is 1945-1950 518) IBM built first PC in the year 1981 519) A small computer program embedded within an HTML document when a user retrieves the web page from a web server is called an applet 520) Another name for systems implementation is transformation 521) The central host computer or file server in a star network maintains control with its connecting devices through polling 522) C++ does not check whether the index value is within scope 523) The browser uses uniform resource locator to connect to the location or address of internet resources 524) In the centralized computing architecture, the entire file is downloaded from the host computer to the user’s computer in response to a request for data 525) An expert system enables one or more users to move and react to what their senses perceive in a computer simulated environment 526) Popping or removing an element from an empty stack is called underflow 527) The ability to combine data and operations on that data in a single unit is known as polymorphism 528) A router is a device that sites between your internal network and the internet and limits access into and out of your network based on your organization’s access policy 529) In C++, private, protected, and public are reserved words and are called member access specifiers 530) The integration of all kinds of media such as audio, video, voice, graphics and text into one coherent presentation combined is called multimedia 531) The derived class can redefine the public member functions of the base class 532) A technique for searching special databases, called data warehouses, looking for related information and patterns is called data mining 533) Like the quick sort the merge sort uses the divide and conquer technique to sort a list 534) The use of expert systems technology can greatly reduce the number of calls routed to a customer service department 535) Building a list in the backward manner, a new node is always inserted at the beginning of the list 536) Creating a web site is also called web authoring 537) Using the optimization analysis approach, the expert system starts with a conclusion and tries to verify that the rules, facts, and conclusion all match. If not, the expert system chooses another conclusion 538) Both the application program and operating system program only describes the software 539) Root is one of the items given below is not an item of the menu bar 540) BACKUP is not an internal command 541) In a disk, each block of data is written into one sector 542) Hard copy is a printed copy of machine output 543) A boot strap is a small utilization computer program to start up in inactive computer 544) CAD is oriented towards software 545) Icons are picture commands 546) IBM company for the first time launched pocket computers 547) PROM is a computer part 548) Algorithms can handle most system functions that aren’t handled directly by the operating system 549) Device drivers are small, special-purpose programs 550) LAN refers to a small, single site network 551) A collection of programs that controls how your computer system runs and processes information is called operating system 552) When we are working on a document on a PC the document is temporarily stored in RAM 553) Information travels between components on the motherboard through buses 554) Microsoft is a vertical market application 555) RAM refers to the memory in your computer 556) Computers connected to a LAN can share information and / or share equipment 557) Magnetic tape is not practical for applications where data must be quickly recalled because tape is a sequential access medium 558) In Late 1988 computer viruses land in India for the first time 559) ALU is a part of the CPU 560) In computer technology a compiler means a program, which translates source program into object program 561) American computer company IBM is called big blue 562) The first IBM PC did not have any ROM 563) The digital computer was developed primarily in UK 564) Programs which protect a disk from catching an infection are called antidotes 565) The first movie with terrific computer animation and graphics was released in 1982 is Tron 566) An integrated circuit is fabricated on a tiny silicon chip 567) The word size of a microprocessor refers to the amount of information that can be stored in the byte 568) Daisy-wheel printer cannot print graphics 569) In the IBM PC-AT, the word AT stands for advanced terminology 570) Dedicated computer means which is assigned one and only one task 571) Real time programming type of computers programming is used for aero plane ticket reservation system 572) RAM means memory which can be both read and written to 573) Laser printer uses light beam and electro statically sensitive black powder 574) The Santa Clara Valley, California is popularly known a Silicon Valley of America because many silicon chip manufacturing firms are located there 575) A program written in machine language is called assembler 576) International business machine was the first company in the world to build computer for sale 577) PARAM is a parallel computer 578) For communications, wide area networks use special purpose telephone wires and fiber optic cables and microwaves 579) Data transfer rate in modems is measured in bits per second 580) A compiler cannot detect logical errors in source programs 581) Throughput, turnaround time, response time are measures of system performance 582) OLTP architecture can handle a limited number of dimensions whereas OLAP architecture does not have any limit on the number of dimensions 583) The binary equivalent of (40.125) suffix 10 is 101000.001 584) Kernel is the only art of an operating system that a user cannot replace or modify 585) Symbol signifies a magnetic disk 586) COBOL programming language was initially developed for consumer electronics goods 587) Running, blocked, ready, terminated are different states of a process 588) Rational rose is an example of a modeling language 589) A disk worm is an example of optical devices 590) A RAID is a disk array 591) The first private internet service provider in India was Satyam infoway 592) The maximum and minimum unsigned number which can be stored in a 8 bit word is 0 and 255 593) Stack is a part of memory 594) HIT RATIO is associated with cache performance 595) Laser printer is a page printer 596) Storage capacity of a disk system depends upon number of recording surfaces and number of sectors per track 597) Abstraction is associated with object oriented technology and database technology 598) The terms opcode and operand are associated with any high level language 599) Dynamic binding is associated with object oriented programming 600) The term CHIP, JEWELLARY means a processor with high capacity 601) A watch point is associated with debugger 602) A multithreaded program uses multiple processes 603) Time sharing is a mechanism to provide spontaneous interactive use of a computer system by many users in such a way that each user is given the impression that he/she has his/her own computer 604) The typical scheme of memory management used in IBMOS/360 mainframe system was that of multiprogramming with variable number of memory partitions 605) The concepts used for realization of virtual memory are swapping, demand paging and In-line secondary storage 606) Oracle 8i is an example of OORDBMS 607) ALPHA, RIOS, SPARC are examples of RISC Processors 608) The scope of an identifier refers to where in the program an identifier is accessible 609) Hierarchy is not a component of relational database 610) A two-way selection in C++ is the if…else 611) A recursive function executes more efficiently than its iterative counterpart 612) The body of the recursive function contains a statement that causes the same function to execute before completing the last call 613) Variables that are created during program execution are called dynamic variables 614) When destroying a list, we need a delete pointer to deallocate the memory 615) The first character in the ASCII character set is the null character, which is nonprintable 616) A variable for which memory is allocated at block entry and deallocated at block exit is called a static variable 617) Signal to noise ratio compares signal strength to noise level 618) The ability to create new objects from existing objects is known as inheritance 619) Software tools that provide automated support for the systems development process are OLAP tools 620) Applications/Web server tier processes HTTP protocol, scripting tasks, performs calculations, and provides access to data 621) A language used to describe the syntax rules is known as meta language 622) In a preorder traversal, the binary tree is traversed as follows 623) The general syntax of the function prototype of a value returning function is function name (parameter list) 624) Competitive intelligence is the process of gathering enough of the right information in a timely manner and usable form and analyzing it so that it can have a positive impact 625) Tracing values through a sequence is called a play out 626) In a binary tree, each comparison is drawn as a circle, called a node 627) The term used as a measurement of a communication channel’s data capacity is bandwidth 628) In addition to the nature of the problem, the other key factor in determining the best solution method is function 629) An E-R data model solves the problem of presenting huge information system data models is to users and developers 630) In C++, predefined functions are organized into separate libraries 631) The standard protocol (communication rules for exchange of data) of the internet is TCP/IP 632) For efficiency purposes, wherever possible, you should overload operators as member functions 633) Modifying algorithms that change the order of the elements, not their values, are also called modifying algorithms 634) As long as the tables in a relational database share at least one common data attribute, the tables in a relational database can be normalized to provide useful information and reports 635) DBMS is a simple, fourth generation language used for data retrieval 636) An occurrence of an undesirable situation that can be detected during program execution is known a exception 637) A photo of the company headquarters would be an example of the use of a static web page 638) The Pentium processor contains thousands of transistors 639) SOI technology has been successful with reference to SRAM 640) Secondary storage device is needed to print output results 641) Static random access memory does not fall under the category of secondary storage devices 642) Floppy disk is universal, portable and inexpensive but has its own limitation in terms of storage capacity and speed 643) Some physical property of the microscopic area of the disk surface is changed for recording in common for all types of disks 644) In a disk, each block of data is written into two or more sectors 645) A floppy disk rotates at 100rpm 646) A hard disk has 500 to 1000 tracks or more 647) The storage capacity of a cartridge tape is 400 MB 648) Single density recording is also known as frequency modulation 649) Printer is not an input device 650) The input device that is most closely related to a touch screen is the light pen 651) Laser printer generates characters from a grid of pins 652) The liquid crystal display works on the basis of the relation between polaristion and electric field 653) A COBOL program in source code is not considered to be system software 654) Firmware stored in a hard disk 655) A compiler breaks the source code into a uniform stream of tokens by lexical analysis 656) Sorting of a file tasks is not performed by a file utility program 657) Floppy disk does not generate a hardware interrupt 658) Ada language is associated with real time processing 659) MS DOS is usually supplied on a cartridge tape 660) BREAK is not an internal DOS command 661) Kernel of MS-DOS software resides in ROM 662) The UNIX operating system (available commercially) has been written in C language 663) MS-DOS has better file security system as compared to UNIX 664) UNIX is only a multiprogramming system 665) The UNIX operating system uses three files to do the task mentioned 666) In UNIX, end-of-file is indicated by typing CTRL D 667) Abacus is said to be invented by Chinese 668) An operating system is necessary to work on a computer 669) The first UNIX operating system, as it was in the development stage, was written in the assembly language 670) FAST drivers scientific software packages was developed under contract with NASA 671) LEFT () is not a date function 672) FIF editor is a windows based application 673) Graphics is inserted in frame 674) A language translator is best described as a system software 675) The specification of a floppy is identified by TPI 676) DISC () is not a database function 677) In opening menu of word star C OPTION should be selected for protecting a file 678) The most advanced form of ROM is electronically erasable programmable ROM 679) Secondary storage device is needed to store large volumes of data and programs that exceed the capacity of the main memory 680) MORE sends contents of the screen to an output device 681) NFS stands for N/W file system 682) Main protocol used in internet is TCP/IP 683) We can create a simple web page by using front page express 684) The first line/bar on the word window where the name of the document is displayed is called title bar 685) The clock frequency of a Pentium processor is 50 MHz 686) The input device that is most likely to be used to play computer games is the joystick 687) Linking the program library with main program is not performed by a file utility program 688) The UNIX operating system has been written in C language 689) BIOS of MS-DOS resides in ROM 690) The sector size of a floppy disk varies from 128 bytes to 1024 bytes 691) A program type of errors is flagged by compilers 692) A floppy diskette is organized according to tracks and sectors 693) In word star, the maximum permissible length of search string is 65 694) C is a third generation high level language 695) A CPU has a 16-bit program counter. This means that the CPU can address 64 K memory locations 696) STR () is used for converting a numeric into a character string 697) BASIC language is normally used along with an interpreter 698) In UNIX, open files are shared between the parent and the child 699) In spite of the extra power needed for refreshing. DRAMs are widely used in computers because of its lower cost relatives to SRAMs 700) PIF editor belongs to Main group 701) SUM () is not a financial function 702) 98/04/12 cannot be used to enter a date 703) Windows is popular because of its being expensive 704) Personal computers currently sold in India have main memories at an entry level in the range of megabytes 705) The unit in CPU or processor, which performs arithmetic and logical operations is ALU 706) RAM is volatile 707) The result of arithmetic and logical operations is stored in an accumulator 708) A small amount of memory included in the processor for high speed access is called cache 709) A bus is an electronic track system 710) A co-processor is used to improve the speed of mathematical calculations 711) Intel 80286 belongs to third generation microprocessors 712) A hexadigit can be represented by eight binary bits 713) The number of processes that may running at the same time in a large system can be thousands 714) FORTRAN is a 3GL 715) Root is not an item of the Menu bar 716) Difficult to do what it projects is not considered to be a feature of the spreadsheet 717) While starting the Lotus 1-2-3, the current cell reference is shown at top left hand corner of the screen 718) Bill gates is the chief of Microsoft 719) Excel office assistant can be made to appear by using F1 key and help menu 720) 9 per page is the max no of showing positioning of per page handouts 721) Alignment buttons are available on formatting toolbar 722) Pico second is 10(to the power of-9) 723) Logo refers to a computer language 724) The most appropriate command to permanently remove all records from the current table is Zap 725) The efficient and well designed computerized payroll system would be on-line real time system 726) The scripts which are designed to receive value from Web users is CGI script 727) WAIS stands for – wide assumed information section 728) Modem is used for connecting PC using telephone lines 729) Token bus is the most popular LAN protocol for bus topology 730) Manipulating data to create information is known as analysis 731) A separate document form another program sent along with an E-mail message is known as E-mail attachment 732) When you boot up a PC — portions of the operating system are copied from disk into memory 733) Correcting errors in a program is called debugging 734) A word processor would most likely be used to type a biography 735) A database is an organized collection of data about a single entity 736) Fire fox is a web browser 737) Most of the commonly used personal computers/laptops do not have a command key known as turnover 738) Full form of USB is known as Universal serial bus 739) The quickest and easiest way in Word to locate a particular word or phrase in a document is to use the find command 740) Computer sends and receives data in the form of digital signals 741) Icons are graphical objects used to represent commonly used application 742) Most World Wide Web pages contain HTML commands in the language 743) In any window, the maximize button, the minimize button and the close buttons appear on the title bar 744) Checking that a pin code number is valid before it is entered into the system in an example of data validation 745) Windows 95 and windows 98 and Windows NT are known as operating systems 746) Information on a computer is stored as analog data 747) A program that works like a calculator for keeping track of money and making budgets is spreadsheet 748) To take information from one source and bring it to your computer is referred to as download 749) Windows is not a common feature of software applications 750) A toolbar contains buttons and menus that provide quick access to commonly used commands 751) Input device is an equipment used to capture information and commands 752) Most of the commonly available personal computers/laptops have a keyboard popularly known as QWERTY 753) Editing a document consists of reading through the document you’ve created then—correcting your errors 754) Virtual Box is not a famous operating system 755) Junk e-mail is also called spam 756) DOC is the default file extension for all word documents 757) .bas, .doc and .htm are examples of extensions 758) Codes consisting of bars or lines of varying widths or lengths that are computer readable are known as a bar code 759) Convenience, speed of delivery, generally and reliability are all considered as the advantages of e-mail 760) E-commerce allows companies to conduct business over the internet 761) The most important or powerful computer in a typical network is network server 762) To make a notebook act as a desktop model, the notebook can be connected to a docking station which is connected to a monitor and other devices 763) Storage that retains its data after the power is turned off is referred to as non-volatile storage 764) Virtual memory is memory on the hard disk that the CPU uses as an extended RAM 765) To move to the beginning of a line of text, press the home key 766) When sending and e-mail, the subject line describes the contents of the message 767) Microsoft is an application suite 768) Information travels between components on the motherboard through bays 769) One advantage of dial-up internet access is it utilizes existing telephone security 770) Network components are connected to the same cable in the star topology 771) Booting checks to ensure the components of the computer are operating and connected properly 772) Control key is used in combination with another key to perform a specific task 773) Scanner will translate images of text, drawings, and photos into digital form 774) Information on a computer is stored as digital data 775) The programs and data kept in main memory while the processor is using them 776) Storage unit provide storage for information and instruction 777) Help menu button exist at start 778) Microsoft company developed MS Office 2000 779) Charles Babbage is called the father of modern computing 780) Data link layer of OSI reference model provides the service of error detection and control to the highest layer 781) Optical fiber is not a network 782) OMR is used to read choice filled up by the student in common entrance test 783) A network that spreads over cities is WAN 784) File Manager is not a part of a standard office suite 785) A topology of computer network means cabling between PCs 786) In UNIX command “Ctrl + Z” is used to suspend current process or command 787) Word is the word processor in MS Office 788) Network layer of an ISO-OSI reference model is for networking support 789) Telnet helps in remote login 790) MS Word allows creation of .DOC type of documents by default 791) In case of MS-access, the rows of a table correspond to records 792) Record maintenance in database is not a characteristic of E-mail 793) In a SONET system, an add/drop multipliers removes noise from a signal and can also add/remove headers 794) The WWW standard allows grammars on many different computer platforms to show the information on a server. Such programmers are called Web Browsers 795) One of the oldest calculating device was abacus 796) Paint art is not a special program in MS Office 797) Outlook Express is a e-mail client, scheduler, address book 798) The first generation computers had vacuum tubes and magnetic drum 799) Office Assistant is an animated character that gives help in MSOffice 800) Alta Vista has been created by research facility of Digital Electronic corporation of USA
Posted on: Sat, 09 Aug 2014 08:38:09 +0000
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