Computer Science - Computer Fundamentals
Exercise :: Computer Fundamentals - Section 2
| 1. |
A technique used by codes to convert an analog signal into a digital bit stream is known as |
| A. |
Pulse code modulation | | B. |
Pulse stretcher | | C. |
Query processing | | D. |
Queue management | | E. |
None of the above |
Answer: Option A
Explanation:
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| 2. |
An optical input device that interprets pencil marks on paper media is |
| A. |
O.M.R | | B. |
Punch card reader | | C. |
Optical scanners | | D. |
Magnetic tape | | E. |
None of the above |
Answer: Option A
Explanation:
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| 3. |
Most important advantage of an IC is its |
| A. |
Easy replacement in case of circuit failure | | B. |
Extremely high reliability | | C. |
Reduced cost | | D. |
Low power consumption | | E. |
None of the above |
Answer: Option B
Explanation:
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| 4. |
Data division is the third division of a _____ program. |
| A. |
COBOL | | B. |
BASIC | | C. |
PASCAL | | D. |
FORTH | | E. |
None of the above |
Answer: Option A
Explanation:
The statements, entries, paragraphs, and sections of a COBOL source program are grouped into four divisions.
1.IDENTIFICATION DIVISION
2.ENVIRONMENT DIVISION
3.DATA DIVISION
4.PROCEDURE DIVISION
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| 5. |
Which language was devised by Dr. Seymour Aubrey Papert? |
| A. |
APL | | B. |
COBOL | | C. |
LOGO | | D. |
FORTRAN | | E. |
None of the above |
Answer: Option C
Explanation:
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