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Digital Electronics

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

OR gate
NOT gate
AND gate
None of these

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Digital Electronics
What is the 2’s complement of 10110000?

 01010000
 10001110
 10110000
 01001111

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Digital Electronics
The devices commonly used for making digital circuits are

 contact switches
 mechanical switches
 semiconductor devices
 relays

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 50H
 42H
 08H
 48H

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

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

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Digital Electronics
A full adder has

 2 inputs, 1 output
 3 inputs, 2 outputs
 3 inputs, 1 output
 2 inputs, 2 outputs

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