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Digital Computer Electronics

Digital Computer Electronics
In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.

OR
None of these
NAND
AND
NOR

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

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

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Digital Computer Electronics
Which logic family dissipates the minimum power?

ECL
None of these
DTL
CMOS
TTL

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Digital Computer Electronics
The main advantage of hexadecimal numbers is the case of conversion from hexadecimal to _____ and vice versa.

binary
None of these
decimal
ASCE
BCD

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

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

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Digital Computer Electronics
Which of the following is not functionally a complete set?

None of these
NOR
AND, OR, NOT
NAND
AND, OR

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