Computer Knowledge #21 Multiple Choice Questions

COMPUTER KNOWLEDGE #21

MULTIPLE CHOICE QUESTIONS

1. What is UNIVAC?

(a) Universal Automatic Computer

(b) Universal Array Computer

(c) Unique Automatic Computer

(d) Unvalued Automatic Computer

Answer: (a)

2. What are the basic operations performed by a computer?

(a) Arithmetic operation

(b) Logical operation

(c) Storage and relative

(d) All the above

Answer: (d)

3. What are the two major types of computer chips?

(a) External memory chip

(b) Primary memory chip

(c) Microprocessor chip

(d) Both ‘b’ and ‘c’

Answer: (d)

4. Microprocessors as switching devices are for which generation computers?

(a) First generation

(b) Second generation

(c) Third generation

(d) Fourth generation

Answer: (d)

5. What is the main difference between a mainframe and a super computer?

(a) Super computer is much larger than mainframe computers

(b) Super computers are much smaller than mainframe computers

(c) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently

(d) Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible

Answer: (c)

6. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?

(a) Extended Binary Coded Decimal Interchange Code

(b) Extended Bit Code Decimal Interchange Code

(c) Extended Bit Case Decimal Interchange Code

(d) Extended Binary Case Decimal Interchange Code

Answer: (a)

7. Which is the brain of any computer system?

(a) ALU

(b) Memory

(c) CPU

(d) Control unit

Answer: (c)

8. Storage capacity of magnetic disk depends on which of the following?

(a) Tracks per inch of surface

(b) Bits per inch of tracks

(c) Disk pack in disk surface

(d) All of the above

Answer: (d)

9. What are the two kinds of main memory?

(a) Primary and secondary

(b) Random and sequential

(c) ROM and RAM

(d) All of the above

Answer: (c)

10. What is the storage area used to store data to a compensate for the difference in speed at which the different units can handle data?

(a) Memory

(b) Buffer

(c) Accumulator

(d) Address

Answer: (b)

11. Computer is free from tiresome and boardroom. We call it which of the following?

(a) Accuracy

(b) Reliability

(c) Diligence

(d) Versatility

Answer: (c)

12. Integrated Circuits (ICs) are related to which generation of computers?

(a) First generation

(b) Second generation

(c) Third generation

(d) Fourth generation

Answer: (c)

13. What is a CD-ROM?

(a) Semiconductor memory

(b) Memory register

(c) Magnetic memory

(d) None of the above

Answer: (d)

14. A hybrid computer ...............

(a) resembles digital computer

(b) resembles analogue computer

(c) resembles both a digital and analogue computer

(d) None of the above

Answer: (c)

15. Which type of computers uses the 8-bit code called EBCDIC?

(a) Minicomputers

(b) Microcomputers

(c) Mainframe computers

(d) Super computer

Answer: (c)

16. The ALU of a computer responds to the commands coming from which of the following?

(a) Primary memory

(b) Control section

(c) External memory

(d) Cache memory

Answer: (b)

17. Which was the chief component of first generation computer?

(a) Transistors

(b) Vacuum Tubes and Valves

(c) Integrated Circuits

(d) None of the above

Answer: (b)

18. What would you want to use to produce high quality graphics (hardcopy) in colour?

(a) RGB monitor

(b) Plotter

(c) Ink-jet printer

(d) Laser printer

Answer: (b)

19. What are the stages in the compilation process?

(a) Feasibility study, system design and testing

(b) Implementation and documentation

(c) Lexical Analysis, syntax analysis, and code generation

(d) None of the above

Answer: (c)

20. Which of the following IC was used in third generation of computers?

(a) SSI

(b) MSI

(c) LSI

(d) Both ‘a’ and ‘b’

Answer: (d)