Computer Questions and Answers for Competitve Exams
What is the full Form of CAD?
(A) Computer Automatic Design
(B) Computer Aided Design
(C) Computer Automatic Decode
(D) Computer Aided Decode
Correct Answer : B
They can operate on batteries and hence are very popular with travelers.
(A) Mainframes
(B) Laptops
(C) Microprocessors
(D) Hybrid
Correct Answer : B
Java was originally invented by
(A) Microsoft
(B) Adobe
(C) Sun
(D) Oracle
Correct Answer : C
When did the world's first supercomputer be built?
(A) 1981
(B) 1980
(C) 1976
(D) 1995
Correct Answer : C
OCR stands for………..
(A) Optical Character Recognition
(B) Optical CPU Recognition
(C) Optimal Character Recognition
(D) Other Character Recognition
Correct Answer : A
Information travels between components on the mother board through
(A) Flash memory
(B) CMOS
(C) Bays
(D) Buses
Correct Answer : C
Which of the following is 3rd layer of OSI Model?
(A) Network layer
(B) Session layer
(C) Physical layer
(D) Application layer
Correct Answer : A
When a group of computers is connected together in a small area without the help of telephone lines, it is called
(A) Remote Communication Network ( RCN )
(B) Local Area Network ( LAN )
(C) Wide Area Network ( WAN )
(D) Value Added Network ( VAN )
Correct Answer : B
Vacuum Tubes were used by ___________Generation of Computers.
(A) Third
(B) Fourth
(C) First
(D) Second
Correct Answer : C
Which command allows you to reduce fragments of file and optimize the performance of disk?
(A) Chkdsk
(B) Diskcomp
(C) Scandisk
(D) Defrag
Correct Answer : D