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Digital Electronics

Digital Electronics
The NAND gate is AND gate followed by ___________.

AND gate
OR gate
None of these
NOT gate

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 0 V and 5 V
 1 V and 5 V
 –1.5 V and – 0.5 V
 5 V and 0 V

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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 follows clock
 the output is HIGH

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Digital Electronics
One bit full adder has ________ outputs.

 4
 2
 3
 any number

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Digital Electronics
An all or nothing gate is the other name of

 X-OR gate
 OR gate
 AND gate
 X-NOR gate

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

 < 10,000
 100 to 999
 1000 to 10,000
 100 to 9,999

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