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Digital Electronics

Digital Electronics
The only function of NOT gate is to ___________.

None of these
Stop signal
Invert input signal
Act as a universal gate

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Digital Electronics
Which one of the following is 2’s complement of -68?

 11000100
 00111100
 10111100
 01111100

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 NAND
 NOR
 OR
 X-OR

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 1
 A = 1, B = 1, C = 0
 A = 1, B = 0, C = 1
 A = 0, B = 0, C = 0

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 tri-state
 inverter
 trigger
 unstable state

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

 > 1,00,000
 50,000 to 99,999
 1,00,000 to 10,00,000
 > 50,000

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