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Digital Electronics

Digital Electronics
Which of the following gates is known as anticoincidence detector?

 AND gate
 OR gate
 X-NOR gate
 X-OR gate

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Digital Electronics
The number A = 01110000 and B = 10101111 are in 2’s complement form .Addition of above two number is

 10101111
 00011111
 011100001
 11100000

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Both A and B
 Conversion
 Sequential
 Combinational

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Digital Electronics
The most suitable gate for comparing two bits is

 NAND
 AND
 X-OR
 OR

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Digital Electronics
In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

 1,10110.1001
 1,10101.1001
 0,10110.1011
 0,10110.1001

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

None of these
 the input is HIGH and LOW
 the input is HIGH
 the input is LOW

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