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

Correct Answer: B. Optical-wand

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

Correct Answer: A. Magnetic core

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

Correct Answer: A. System software

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

Correct Answer: E. All of the above

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

Correct Answer: A. PDP-1, 1958

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