COPA TEST – 1st Computer and fundamentals

Computer and fundamentals

Marks :- 20 Time :- 30min

1. What was the computer invented by Attanasoff and Clifford?

a) mark I b) abc c) Z3 d) none of the above

2. Which of the following storage devices can store maximum amount of data?

a) floppy disk b) Hard disk

c) Compact Disk d) magneto optic disk

3. A physical connection between the microprocessor memory and other parts of the microcomputer is known as

a) Path b) Address bus

c) Route d) all of the above

4. High density double sided floppy disks could store _____ of data

A)1.40 mb B)1.44 gb C)1.40 gb D)1.44 mb

5.The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately

A)16 digits B)6 digits C)9 digits D)all of above

6.In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board?

A)motherboard B)daughterboard C)bredboard D)fatherboard

7.Regarding a VDU, Which statement is more correct?

A)it is an output device B)it is an input device

C)it is a peripheral device D)it is hardware item

8. Computers with 80286 microprocessor is

A.xt computer B.at comptuers C.ps/2 computer D.none of above

9.The digital computer was developed primarily in

A.ussr B.japan C.usa D.uk

10.The arranging of data in a logical sequence is called

A.sorting B.classifying C.reproducing D.summarizing

11.Abacus was the first

A.electronic computer B.mechanical computer

C.electronic calculator D.mechanical calculator

12.Instructions and memory address are represented by

A.character code B.binary codes C.binary word D.parity bit

13.People often call ______ as the brain of computer system

A.control unit B.arithmetic logic unit

C.central processing unit D.storage unit

14.Which is used for manufacturing chips?

A)bus B)control unit C)semiconductors D)a and b only

15.Which generation of computer is still under development

A.fourth generation B.fifth generation

C.sixth generation D.seventh generation

16.A set of information that defines the status of resources allocated to a process is

A.process control B)alu C.register unit D.process description

17.BCD is

A.binary coded decimal B.bit coded decimal

C.binary coded digit D.bit coded digit

18.From which generation operating systems were developed?

A.first

B.second

C.third

D.fourth

19. How many address lines are needed to address each machine location in a 2048 x 4 memory chip?

A.10

B.11

C.8

D.12

20. Properly arranged data is called

A.field

B.words

C.information

D.file