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Digital Computer Electronics

Digital Computer Electronics
An AND gate has 7 inputs. How many input word are in its truth table?

16
64
None of these
32
128

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

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

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Digital Computer Electronics
A half-adder is also known as:

AND circuit
NOR circuit
EX-OR circuit
NAND circuit
None of these

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Digital Computer Electronics
_____ is the fastest logic family; it's used in high-speed applications.

ECL
TTL
DTL
None of these
MOS

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Digital Computer Electronics
Flip-flop outputs are always

the same
complimentary
None of these
same as inputs
independent of each other

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

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

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