It is an important questions for computer operator - TopicsExpress

It is an important questions for computer operator examination.Tick the correct answers...... for given options.............. 1. Which is the following is a secondary memory device ? a) Keyboard b) Disk c) ALU d) All of the above 2. The octal equivalent of 111010 is a) 81 b) 72 c) 71 d) None of the above 3. A floppy disk contains a) Circulars tracks only b) Sectors only c) Both a&b d) None 4. The first electronic computer in the world was a) UNIVAC b) EDVAC c) ENIAC d) All of the above 5. Who invented the microprocessor ? a) Marcian E huff b) Herman H Goldstein c) Joseph d) None 6. The term 1 gigabyte refers to a) 1024 byte b) 1024 kb c) 1024 mb d) 1024 gb 7. The first generation computer system used a) Vaccum tube b) Transistors c) Register d) All 8. What is the alternative names for the internal storage of a computer ? a) Real storage b) Primary memory c) Main memory d) both b&c 9. The third generation of computers covers the period a) 1971-1982 b) 1982-1994 c)1959-1964 d) 1964 -1971 10.Which of the following is an example of nonvolatile memory ? a) ROM b) VLSI c) LSI d) RAM 11.The First mechanical computer designed by Charles Babbage was called a) Abacus b) Processor c) Calculator d) Analytical Engine 12.Magnetic tape can serve as a) Input media b) Output media c) Secondary storage media d) All 13. A byte consists of a) one bit b) Four bits c) Eight bits d) Sixteen bits 14.CAD stands for a) Computer Aided Design b) Computer application design c) Both a&b d) All 15.Network topology,consisting of nodes attached in a ring,without a host computer,is known as a) Star b) Ring c) Bus d) Tree 16.The brain of any computer system is a) ALU b) Memory c) CPU d) Control unit 17.The number (1000)2 are equivalent to decimal number a) 1000 b) 6 c) 10 d) none 18.Punched cards were first introduced by a) Powers b) Pascal c) Jacquard d) Herman Hollerith 19.The earliest calculating devices are a) Abacus b) Clock c) Difference engine d) none 20.Cursor is a a) Pixel b) Thin blinking line c) Pointing device d) none

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