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Digital Electronics

Digital Electronics
A bubbled NAND gate is equivalent to a

 X-OR gate
 NAND gate
 OR gate
 NOR gate

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Digital Electronics
An X-OR gate gives a high output

 if the decimal value of digital word is even
 for odd decimal value.
 if it has even number of 0s
 if there are odd number of 1s

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Digital Electronics
In VLSI, the number of gate circuits per chip is

 > 10,000
 10,000 to 99,999
 50,000 to 99,999
 < 10,000

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output is LOW
 the output follow input
 the output is HIGH
 the output follows clock

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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
 011100001
 10101111

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Digital Electronics
The main equation for a D flip flop is

 Q=D
 Q=D'
 Q=1
 Q=0

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MORE MCQ ON Digital Electronics

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