Important Computer Question with Answer

1. The standard of CD-ROM is-----

A) 10 cm diameter
B) 8 cm diameter
C) 11 cm diameter
D) 12 cm diameter

2. Computers with 80286 microprocessor is
A) XT computer
B) AT comptuers
C) PS/2 computer
D) None of above

3. Supercomputers are those which:
A) Contain a large single chip
B) Can perform billions of calculations per seconds
C) Are found thousands of place around the world
D) Are designed to process thousands of accounting applications.

4. Which type of computer are also called midrange computers?
A) PC
B) Minicomputer
C) Mainframe Computer
D) Super Computer 

 

5. The digital computer was developed primarily in
A) USSR
B) Japan
C) USA
D) UK

6. What is ‘Laptop”?
A) Small Dog
B) Musical Instruments
C) Smart Phone
D) Small Computer

47. Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?
A) Tabulator Machine Co.
B) Computing Tabulating Recording Co.
C) The Tabulator Ltd.
D) International Computer Ltd

.

8. Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?
A) Track number
B) Sector number
C) Surface number
D) All of above

9. The arranging of data in a logical sequence is called
A) Sorting
B) Classifying
C) Reproducing
D) Summarizing

10. What is the responsibility of the logical unit in the CPU of a computer?
A) To produce result
B) To compare numbers
C) To control flow of information
D) To do math’s works

11. Abacus was the first
A) electronic computer
B) mechanical computer
C) electronic calculator
D) mechanical calculator

12. If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be
A) 216
B) 65,536
C) 64K
D) Any of the above

13. Instructions and memory address are represented by
A) Character code
B) Binary codes
C) Binary word
D) Parity bit

14. PDA Stands for----
A) Personal digital assistant
B) Portable document accessories
C) Personal digital account
D) Personal document format

15. A set of flip flops integrated together is called ____
A) Counter
B) Adder
C) Register
D) None of the above

16. People often call ______ as the brain of computer system
A) Control Unit
B) Arithmetic Logic Unit
C) Central Processing Unit
D) Storage Unit

17. Which is used for manufacturing chips?
A) Bus
B) Control unit
C) Semiconductors
D) A and b only

18. The value of each bead in heaven is
A) 1
B) 3
C) 5
D) 7

19. The first computer introduced in Bangladesh was
A) IBM 1620
B) IBM 1401
C) IBM 1420
D) IBM 1422

20. Mnemonic a memory trick is used in which of the following language?
A) Machine language
B) Assembly language
C) High level language
D) None of above