Computer Science - Computer Fundamentals

11. 

Which of the following is required when more than one person uses a central computer at the same time?

A. terminal
B. light pen
C. digitizer
D. mouse
E. None of the above

Answer: Option A

Explanation:

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12. 

Which is not necessary when using bar codes in supermarkets?

A. Point-of sale (POS) terminal
B. Check digit on the bar code
C. Price on the shelf
D. Price on the goods
E. None of the above

Answer: Option C

Explanation:

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13. 

The language that the computer can understand and execute is called

A. Machine language
B. Application software
C. System program
D. All of the above
E. None of the above

Answer: Option A

Explanation:

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14. 

Design qualifications do not normally include

A. Output requirements
B. Input and storage requirements
C. Control provisions
D. Blueprints
E. None of the above

Answer: Option D

Explanation:

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15. 

Which of the following is form of semi conductor memory in which it is possible to change the contents of selected memory locations by applying suitable electrical signals.

A. CAM
B. ROM
C. EAROM
D. ANACUS
E. None of the above

Answer: Option C

Explanation:

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