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NIMCET 2013
Computer Awareness
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NIMCET 2013 #1694
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The minimum number of bits to represent a character from ASCII code set is
A.
2
B.
8
C.
5
D.
7
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NIMCET 2013 #1693
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The answer of the operation $(10111)
2
\times (1110)
2
in hex equivalent is
A.
150
B.
14C
C.
142
D.
13E
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NIMCET 2013 #1692
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When we open an internet site, we see www. What does www stand for?
A.
World Wide Word
B.
World Wide Web
C.
World Wide Webinar
D.
Word Widing Works
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NIMCET 2013 #1691
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For reproducing sound, a CD audio player uses a
A.
Quartz crystal
B.
Titanium needle
C.
Barium ceramic
D.
Laser beam
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NIMCET 2013 #1690
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Acronym of EEPROM is
A.
Extended Erasable Programmable Memory
B.
Electrically Erasable Read Only Memory
C.
Electrically Erasable Programmable Read Only Memory
D.
Extended Erasable Page-Oriented Memory
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NIMCET 2013 #1689
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A tautology is a Boolean formula that is always true. Which of the following is a tautology?
A.
$x$
B.
$(x+\overline{x})y$
C.
$x+\overline{y}+\overline{x}$
D.
$xy+\overline{x}$
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NIMCET 2013 #1688
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Convert the Hexadecimal number 4DF to its octal equivalent
A.
2333
B.
2337
C.
2773
D.
2373
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NIMCET 2013 #1687
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Which of the following circuit is used as a memory device in computers?
A.
Flip-Flop
B.
Rectifier
C.
Comparator
D.
All of these
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NIMCET 2013 #1686
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The Boolean function $a+(\overline{a} \,b)$ is equivalent to
A.
$a.b$
B.
$a+b$
C.
$a+\overline{b}$
D.
$\overline{a}+b$
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NIMCET 2013 #1685
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All digital circuits can be realized by using only
A.
Exclusive OR gates
B.
Half adders
C.
Multiplexers
D.
OR gate
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