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Digital Computer Electronics

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

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

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Digital Computer Electronics
Which TTL sub-family has maximum speed?

low power TTL
schottky-clamped TTL
high speed TTL
standard TTL
None of these

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

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

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Digital Computer Electronics
How many full adders are required to construct an m- bit parallel adder?

m/2
None of these
m
m+1
m-1

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Digital Computer Electronics
Addition of 11012 and 10102 is

101112
101012
110002
110112
None of these

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Digital Computer Electronics
An AND gate has 7 inputs, what is the only input word that produces a 1 output?

None of these
1110000
1111
1111111

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