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Digital Computer Electronics

Digital Computer Electronics
Conversion of an octal number 1348 to a binary number is

None of these
10111002
10110112
11011002
1100112

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Digital Computer Electronics
The number of binary bits required to represent a hexadecimal digit is

6
8
None of these
4
3

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Digital Computer Electronics
A gate is a logic circuit with one or more input signals but _____ output signal.

one
double
two
more than one
None of these

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Digital Computer Electronics
A NOR gate recognizes only the input word whose bits are _____

0's
0's or 1's
0's and 1's
None of these
1's

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Digital Computer Electronics
Which of the following logic expression is wrong?

1+0+1 = 1
1 + 1 + 1 = 1
1 + 1=0
None of these
1 + 0=1

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Digital Computer Electronics
De Morgan's first theorem says that a NOR gate is equivalent to a bubbled _____ gate.

NOR
XOR
AND
XAND
None of these

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