Most Important Computer Question with Answer

1. Multi user systems provided cost savings for small business because they use a single processing unit to link several
A) Personal computers
B) Workstations
C) Dumb terminals
D) Mainframes

2. What are the three decisions making operations performed by the ALU of a computer?
A) Grater than
B) Less than
C) Equal to
D) All of the above

3. Which of the following is not a processor used in PC?
A) Pentium
B) Athlon
C) AMD K6
D) Zylog

4. Of the following, which one is a hardware?

A) System unit
B) Lotus
C) Vista
D) DOS

5. Algorithm and Flow chart 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

6. 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

7. 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

8. A complete microcomputer system consist of---
A) microprocessors
B) memory
C) peripheral equipment
D) all of a, b, and c 

9. Which of the following statement is valid?
A) Lady Augusta is the first programmer
B) Ada is the daughter of Lord Byron, a famous English poet
C) ADA is a programming language developed by US Defense
D) All of above

10. 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

11. What is required when more than one person uses a central computer at the same time?
A) Light pen
B) Mouse
C) Digitizer
D) Terminal

12. Which of the following is the first computer to use Stored Program Concept?
A) UNIVAC
B) ENIAC
C) EDSAC
D) None of above

13. The term terabyte refers to
A) 1024 bytes
B) 1024 kilobytes
C) 1024 megabytes
D) 1024 gigabyte

14. Intel Pentium is a--
A) Hard disk
B) RAM
C)  CD ROM
D)  Processor 

15. Once you load the suitable program and provide required data, computer does not need human intervention. This feature is known as
A) Accuracy
B) Reliability
C) Versatility
D) Automatic

16. What is a brand?
A) The name of companies that made computers
B) The name of product a company gives to identify its product in market
C) A name of class to indicate all similar products from different companies
D) All of above

17. Machine language is
A) Machine dependent
B) Difficult to program
C) Error prone
D) All of above

18. The brain of a computer within the CPU is-----
A) ALU
B) Register
C) Control Unit
D) RAM 

19. Modern Computers are very reliable but they are not
A) Fast
B) Powerful
C) Infallible
D) Cheap

20. Which one is not a part of CPU?
A)  Register
B) Arithmetic Unit
C) Logic Unit Execution Unit
D) Logic Unit

E) Memory