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Digital Computer Electronics

Digital Computer Electronics
Which of the following flip-flops is free from race around problem?

None of these
T flip-flop
SR flip-flop
master slave JK flip-flop
All of these

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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.

4n
None of these
2n
10n
8n

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

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

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Digital Computer Electronics
De Morgan's second therm says that NAND gate is equivalent to a bubbled _____ gate.

XOR
XAND
None of these
AND
OR

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Digital Computer Electronics
When an inverter is placed between both inputs of an SR flip-flop, the resulting flip-flop is

D flip-flop
None of these
Master slave JK flip-flop
T flip-flop
JK flip-flop

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Digital Computer Electronics
In which code the successive code characters differ in only one bit position?

algebraic code
gray code
8421 code
excess 3 code
None of these

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