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

Correct Answer: A. Pulse code modulation

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

Correct Answer: A. O.M.R

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

Correct Answer: B. Extremely high reliability

4. Data division is the third division of a _____ program.

A. COBOL
B. BASIC
C. PASCAL
D. FORTH
E. None of the above

Correct Answer: A. COBOL

5. Which language was devised by Dr. Seymour Aubrey Papert?

A. APL
B. COBOL
C. LOGO
D. FORTRAN
E. None of the above

Correct Answer: C. LOGO

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