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Digital Electronics

Digital Electronics
A device which converts BCD into octal is called

 demultiplexer
 decoder
 encoder
 code converter

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m
 2m-1
 2m-1
 2m+1

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Digital Electronics
Which of the following operations is commutative but not associative?

 NAND
 AND
 X-OR
 OR

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Digital Electronics
The switch which clears a flip-flop is know as

 Reset
 Both A and B
 None
 Clear

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Digital Electronics
A sequence of binary digits is known as

 byte string
 word string
 bit string
 input string

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Digital Electronics
If in a base b number system, 54/4=13, the base of the number is

 8
 6
 7
 9

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MORE MCQ ON Digital Electronics

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