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Digital Electronics

Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 cost
 volume
 weight
 size

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Digital Electronics
A combinational circuit can be designed using only

 OR and X-NOR gates
 OR gates
 AND gates
 NOR gates

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 25, 9 and 57 respectively
 -25, -9 and -57 respectively
 -7, -7 and -7 respectively
 -6, -6 and -6 respectively

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Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 OR
 NOR
 NAND
 X-OR

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

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

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

 Both A and B
 Reset
 None
 Clear

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MORE MCQ ON Digital Electronics

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