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Digital Computer Electronics

Digital Computer Electronics
Which of the following is not true?

0X0 = 0
None of these
1 x 1 = 1
0 x 1 = 1
1 x 0 = 0

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Digital Computer Electronics
How many full and half-adders are required to add 16-bit numbers?

8 half-adders, 8 full-adders
1 half-adders, 15 full-adders
16 half-adders, no full-adders
None of these
4 half-adders, 12 full-adders

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Digital Computer Electronics
Which of the following logic families has the highest noise immunity?

TTL
DTL
HTL
None of these
RTL

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

None of these
binary
BCD
decimal
ASCE

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Digital Computer Electronics
A positive AND gate is also a negative

OR gate
AND gate
NOR gate
None of these
NAND gate

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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
Full adder
Carry-look-ahead adder
Half adder

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