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Digital Electronics

Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 AND
 OR
 none of these
 NAND

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

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

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

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

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 16
Base 8
Base 10
Base 3

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 2
 none
 both have same
 1

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Digital Electronics
F’s complement of (2BFD)Hex is

 E304
 C403
 D402
 D403

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