Computer Science - Computer Fundamentals

31. 

A menu-driven operating system is one which allows you to pick up from the menu of choices it displays on the screen. What is the name given to the images which are used in such image oriented menus?

A. Icon
B. Figure
C. Symbol
D. option
E. None of the above

Answer: Option A

Explanation:

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32. 

What is the name of the earliest calculating machine which was based on concepts found in modern computers but was unfortunately never built?

A. Babbage's Difference Engine
B. Pascal's Adder
C. Leibnitz's Multiplier
D. Differential Analyser
E. None of the above

Answer: Option A

Explanation:

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33. 

The first machine to successfully perform a long series of arithmetic and logical operations was:

A. ENIAC
B. Mark I
C. Analytic engine
D. UNIVAC-I
E. None of the above

Answer: Option B

Explanation:

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34. 

Which is used for manufacturing chips?

A. Bus
B. Control unit
C. Semiconductors
D. (a) and (b) only
E. None of the above

Answer: Option C

Explanation:

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35. 

The 0 and 1 in the binary numbering system are called binary digits or _____

A. bytes
B. kilobytes
C. decimal bytes
D. bits
E. nibbles

Answer: Option D

Explanation:

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