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Digital Computer Electronics

Digital Computer Electronics
The NOR gate is logically equivalent to an OR gate followed by an _____

inverter
XAND
None of these
XOR
AND

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Digital Computer Electronics
The number of input words in a truth table always equals _____ where n is the number of inputs bits.

None of these
2n
8n
10n
4n

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Digital Computer Electronics
The main advantage of hexadecimal numbers is the case of conversion from hexadecimal to _____ and vice versa.

BCD
ASCE
decimal
None of these
binary

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Digital Computer Electronics
An XOR gate recognizes only words with an _____ number of 1's.

None of these
All of these
even
odd
different

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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

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

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Digital Computer Electronics
Which of the following boolean algebra statements represent commutative law

(B+C)(A.B)+(A.C)
A+AA
None of these
(A+B)+CA+(B+C)
A+BB+A

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