1.
Digital computers use the signal represented by
(a) Curve Signal
(b) Digits (Os and 1s)
(c) Electric Current
(d) Analog Signal
2.The most popular single user Operating System is
(a) MS-Windows
(6) MS-DOS
(c) UNIX
(d) MS-Word
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Answer:
the first one is (b) second one (a)
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