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Digital Computer Electronics

Digital Computer Electronics
The Gray code for decimal 7 is

1011
111
101
100
None of these

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Digital Computer Electronics
An OR gate has 6 inputs. What is the only input word that produces a 0 output?

111111
None of these
111000
111

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Digital Computer Electronics
What logic function is produced by adding an inverter to the output of an AND gate?

NOR
None of these
XOR
OR
NAND

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Digital Computer Electronics
The EXCLUSIVE - NOR gate is equivalent to an _____ gate followed by an invertor.

OR
XOR
NAND
None of these
AND

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Digital Computer Electronics
Which gates is known as universal gate?

XOR gate
AND gate
NAND gate
NOT gate
None of these

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Digital Computer Electronics
A NOR gate has two or more input signals. All input must be _____ to get a high output

high
1's
None of these
some low some high
low

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