Important Computer MCQS For CSS PMS PPSC FPSC NTS -Set 5

1. From which generation operating systems were developed?
A)First

B)Second

C)Third

D)Fourth

2. The firs tfirm to mass-market a micro computer as a personal computer was
A)IBM

B)SuperUNIVAC

C)RadioShaks

D)Data General Corporation

3. How many address lines are needed to address each machine location in a 2048×4 memory chip?
A)10

B)11

C)8

D)12

4. Properly arranged data is called
A)Field

B)Words

C)Information

D)File

5. A computer consists of

A)A central processing unit

B)A memory

C)Input and output unit

D)All of the above

6. Why are vacuum tubes also called valves?
A)Because they can amplify the weak signals and make them strong

B)Because they can stop or allow the flow of current

C)Both of above

D)None of above

4. John Napier invented Logarithm in
A)1614

B)1617

C)1620

D)Non of above

5. An integrated circuit is

A)A complicated circuit

B)An integrating device

C)Much costlier than a single transistor

D)Fabric at edona tiny silicon chip

9. What type of control pins are needed in a microprocessor to regulate traffic on the bus,in
order to prevent two devices from trying to use it at the same time?
A)Bus control

B)Interrupts

C)Bus arbitration

D)Status

10. Where as a computer mouse moves over the table surface,the trackball is
A)Stationary

B)Difficult to move

C)Dragged

D)Moved in small steps

11. Which of the following is used as a primary storage device?
A)Magnetic drum

B)Hard Disks

C)Floppy

D)All of above

12. Multi user systems provided cost savings for small business because they use a single processing unit to link several

A)Personal computers

B)Work stations

C)Dumb terminals

D)Main frames

13. What are the three decisions making operations performed by the ALU of a computer?
A)Graterthan

B)Lessthan

C)Equalto

D)All of the above

14. The word processing task associated with changing the appearance of a document is
A)Editing

B)Writing

C)Formatting

D)All of above

15. Nepal brought a computer for census of 2028 BS.This computer was of
A)first generation

B)second generation

C)third generation

D)fourth generation

16. Algorithm and Flowchart help us to
A)Know the memory capacity

B)Identify the base of a number system

C)Direct the output to a printer

D)Specify the problem completely and clearly

17. Which statement is valid about computer program?
A)It is understood by a computer

B)It is understood by programmer

C)It is understood user

D)Both a & b

18. The difference between memory and storage is that memory is and storage is
A)Temporary,permanent

B)Permanent,temporary

C)Slow,fast

D)All of above

19 When was Pascaline invented?
A)1617

B)1620

C)1642

D)1837

20. Which of the following statement is valid?
A)Lady Augusta is the first programmer

B)Ada isthe daughter of Lord Byron,a famous English poet

C)ADA is a programming language developed by US Defense

D)All of above

21. A compiler is a translating program which

A)Translates instruction of a high level language into machine language

B)Translates entire source program into machine language program

C)It is not involved in program’s execution

D)All of above

22. What is required when more than one person uses a central computer at the same time?
A)Lightpen

B)Mouse

C)Digitizer

D)Terminal
23. Which of the following is the first computer to use Stored Program Concept?
A)UNIVAC

B)ENIAC

C)EDSAC

D)None of above

You may also like...

Leave a Reply

Your email address will not be published. Required fields are marked *