Computer Knowledge #29 Multiple Choice Questions

COMPUTER KNOLWEDGE #29

MULTIPLE CHOICE QUESTIONS

1. What is the full form of ALU?

(a) Arithmetic Logic Unit

(b) Array Logic Unit

(c) Application Logic Unit

(d) None of the above

Answer: (a)

2. What produces useful information out of data?

(a) Computer

(b) Processing

(c) Programming

(d) None of the above

Answer: (b)

3. Which of the following device was not invented by Babbage?

(a) Pascaline

(b) Difference Engine

(c) Analytical Engine

(d) None of the above

Answer: (a)

4. A digital computer did not score over an analog computer in terms of which of the following?

(a) Speed

(b) Accuracy

(c) Reliability

(d) Cost

Answer: (b)

5. Which number system is usually followed in a typical 32-bit computer?

(a) Binary

(b) Decimal

(c) Hexadecimal

(d) Octal

Answer: (a)

6. A computer has very low failure rate because it uses electronic components. It produces very consistent results. This is highlighted by which of the feature of computer?

(a) Accuracy

(b) Reliability

(c) Versatility

(d) Automatic

Answer: (b)

7. A paper printout of a document is known as which of the following?

(a) Softcopy output

(b) Hardcopy output

(c) Permanent Output

(d) All of the above

Answer: (b)

8. Which electronic component was made out of semiconductor material?

(a) Vacuum tubes

(b) Transistors

(c) ICs

(d) All of the above

Answer: (c)

9. What is called the act of retrieving existing data from memory?

(a) Read-out

(b) Read from

(c) Read

(d) All of the above

Answer: (d)

10. Which part of the computer is used for calculating and comparing?

(a) Disk unit

(b) Control unit

(c) ALU

(d) Modem

Answer: (c)

11. ABC is a ……………

(a) special purpose computer

(b) general purpose computer

(c) all purpose computer

(d) None of the above

Answer: (a)

12. What is the computer code for the interchange of information between terminals?

(a) ASCII

(b) BCD

(c) EBCDIC

(d) All of the above

Answer: (a)

13. When was the X window system born?

(a) 1984

(b) 1989

(c) 1988

(d) 1990

Answer: (a)

14. What is the first stage in software development?

(a) Specification and design

(b) Testing

(c) System Analysis

(d) Maintenance

Answer: (c)

15. Which of the following is valid statement?

(a) Data in itself is useless unless it is processed

(b) The data that is processed is called a program

(c) The data which is not yet processed is information

(d) Information is processed by computer to generate data

Answer: (a)

16. The Second Generation Computer was based on which of the following?

(a) Vacuum Tube

(b) Silicon Chips

(c) Transistor

(d) Bio Chips

Answer: (c)

17. What is the full form of EBCDIC?

(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)

18. Personnel who design, program, operates and maintains computer equipment refers to which of the following?

(a) Console-operator

(b) Programmer

(c) Peopleware

(d) System Analyst

Answer: (c)

19. What is IBM System/360?

(a) Mainframe Computer

(b) Mini Computer

(c) Micro Computer

(d) None of the above

Answer: (a)

20. A system is ……………

(a) an integration of different units so as to achieve an objective

(b) input unit

(c) input and output unit

(d) input, output and storage units

Answer: (a)