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Digital Computer Electronics

Digital Computer Electronics
An inventor is a gate with only _____ input; the output is always in the opposite state from the input

more than one
two
None of these
one
All of these

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Digital Computer Electronics
Conversion of hexadecimal number 1D7F16 to a decimal number is

778110
None of these
755110
877110
555710

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Digital Computer Electronics
The m-bit parallel adder consists of:

m full adders
m/2 full adders
m-1 full adders
(m+1) full adders
None of these

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Digital Computer Electronics
In which of the following adder circuits, the carry look ripple delay is eliminated?

Carry-look-ahead adder
Parallel adder
Half adder
Full adder
None of these

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Digital Computer Electronics
The XOR gates are ideal for testing parity because even-parity words produce a _____ output and odd-parity words produce a _____ output

even, odd
high, low
None of these
low, high
odd, even

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Digital Computer Electronics
Which of the following is a universal gate?

OR
NAND
AND
EX-OR
None of these

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