Computer Science - Computer Fundamentals
Exercise :: Computer Fundamentals - Section 12
| 41. |
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as |
| A. |
Light pen | | B. |
Optical-wand | | C. |
Plotter | | D. |
All of the above | | E. |
None of the above |
Answer: Option B
Explanation:
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| 42. |
Tiny rings made of magnetic material that can be polarised to represent binary 1 or 0 is called |
| A. |
Magnetic core | | B. |
Magnetic disk | | C. |
Card punch | | D. |
Floppy disk | | E. |
None of the above |
Answer: Option A
Explanation:
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| 43. |
A computer program that instructs other programs to perform a particular type of operation is |
| A. |
System software | | B. |
Application program | | C. |
Compiler | | D. |
Interpreter | | E. |
None of the above |
Answer: Option A
Explanation:
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| 44. |
A hard copy would be prepared on a |
| A. |
Line printer | | B. |
Dot matrix printer | | C. |
Type writer terminal | | D. |
Plotter | | E. |
All of the above |
Answer: Option E
Explanation:
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| 45. |
Which was the world's first minicomputer and when was it introduced? |
| A. |
PDP-1, 1958 | | B. |
1MB System/36, 1960 | | C. |
PDP-11 1961 | | D. |
VAX 11/780, 1962 | | E. |
None of the above |
Answer: Option A
Explanation:
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