Computer Science - Computer Fundamentals

41.
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
Light pen
Optical-wand
Plotter
All of the above
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
Tiny rings made of magnetic material that can be polarised to represent binary 1 or 0 is called
Magnetic core
Magnetic disk
Card punch
Floppy disk
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
A computer program that instructs other programs to perform a particular type of operation is
System software
Application program
Compiler
Interpreter
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
A hard copy would be prepared on a
Line printer
Dot matrix printer
Type writer terminal
Plotter
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
Which was the world's first minicomputer and when was it introduced?
PDP-1, 1958
1MB System/36, 1960
PDP-11 1961
VAX 11/780, 1962
None of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.