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Digital Electronics

Digital Electronics
Which of the following is 2’s complement of +12?

 00001000
 00001100
 00000011
 01110011

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 XOR, OR
 NOR, XNOR
 XOR, NOR
 OR, NOR

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Digital Electronics
When will be the output of an AND gate is LOW ?

 When any input is LOW
 When any input is HIGH
 When all input is LOW
 When all inputs are HIGH

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Digital Electronics
Which of the following is a self-complementing code?

 Gray code
 Hamming code
 cyclic code
 XS-3 code

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Digital Electronics
A demultiplexer is a

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

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 NOR-OR
 AND-AND
 XOR-NAND
 AND-OR

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MORE MCQ ON Digital Electronics

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