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Digital Electronics

Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 both are same
 none
 1.
 2.

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Digital Electronics
A gate is enabled when its enable input is at logic 0. The gate is

 none of these
 AND
 NOR
 NAND

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Digital Electronics
Which one of the following is not a vectored interrupt?

 TRAP.
 INTR.
 RST 6.5.
 RST 7.5.

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Digital Electronics
The base of the number system for the addition operation 24 + 14 = 41 to be true is

 7
 6
 8
 5

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

 8421 code
 Hamming code
 Gray code
 XS-3 code

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Digital Electronics
A multiplexer is a

 N-to-N device
 1-to-N device
 1-to-1 device
 N-to-1 device

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