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Exercise : Basic Computer Knowledge MCQ Questions and Answers

Question 1

When you save to ..................., your data will remain intact even when the computer is turned off.

A.  
B.  
C.  
D.  

Correct Answer : C. secondary storage device

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Question 2

Checking the computer program for errors is called

A.  
B.  
C.  
D.  

Correct Answer : C. Debugging

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Question 3

A DNS client is called

A.  
B.  
C.  
D.  

Correct Answer : B. DNS resolver

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Question 4

What do you call the smallest controllable element of a picture represented on a computer screen?

A.  
B.  
C.  
D.  

Correct Answer : A. Pixel

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Question 5

Common gateway interface is used to

A.  
B.  
C.  
D.  

Correct Answer : D. generate executable files from web content by web server

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Question 6

A data item which is not broken down into smaller units is _____

A.  
B.  
C.  
D.  

Correct Answer : C. Elementary data item

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Question 7

Moves the cursor one space to the right or puts spaces in between words............................ .

A.  
B.  
C.  
D.  

Correct Answer : B. Space bar

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Question 8

Who developed a mechanical device in the 17th century that could add, subtract, multiply, divide and find square roots?

A.  
B.  
C.  
D.  

Correct Answer : A. Leibnitz

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Question 9

Which of the following protects the system from hackers ?

A.  
B.  
C.  
D.  

Correct Answer : B. Firewall

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Question 10

A printer is this kind of device-

A.  
B.  
C.  
D.  

Correct Answer : C. Output

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