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Digital Electronics

Digital Electronics
How many bits are required to store one BCD digit ?

 2
 1
 4
 3

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 AND
 NOR
 X-NOR
 NAND

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Digital Electronics
An any or all gate is the other name of

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

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Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 NOR
 XOR
 AND
 OR

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Digital Electronics
A latch is ________ sensitive

 None
 level
 both level and edge
 edge

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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

 00011111
 11100000
 10101111
 011100001

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