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Digital Computer Electronics

Digital Computer Electronics
The _____ gate has two or more input signals. All inputs must be high to get a high output

NAND
None of these
NOR
AND
OR

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Digital Computer Electronics
What logic function is obtained by adding an inverter to the inputs of an AND gate?

None of these
XOR
OR
NAND
NOR

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

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

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Digital Computer Electronics
Conversion of hexadecimal number 93FA16 to it's binary number equivalent is

1100111111100110
1.001001111111E+17
10010011111110100
None of these
1111100001112

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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 has a feed back path
JK flip-flop accepts both inputs 1
JK flip-flop does not require external clock
JK flip-flop is faster than SR flip-flop

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Digital Computer Electronics
Which of the following logic families use bipolar transistors?

GaAS
None of these
TTL
NMOS
CMOS

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