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Digital Computer Electronics

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

10n
None of these
2n
8n
4n

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Digital Computer Electronics
A positive AND gate is also a negative

NOR gate
None of these
OR gate
NAND gate
AND gate

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Digital Computer Electronics
How many inputs signals can a gate have?

two only
both (a) and (b)
more than one
one
None of these

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Digital Computer Electronics
A half-adder adds _____ bits

2
10
None of these
16
8

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Digital Computer Electronics
The functional difference between SR flip-flop and JK flip-flop is that

JK flip-flop does not require external clock
JK flip-flop has a feed back path
JK flip-flop is faster than SR flip-flop
JK flip-flop accepts both inputs 1
None of these

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Digital Computer Electronics
A multiplexer is also known as

coder
data selector
decoder
multivibrator
None of these

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