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Digital Electronics

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

 < 500
 < 50
 50 to 100
 12 to 99

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 X-NOR
 NAND
 AND
 NOR

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Digital Electronics
Which of the following is known as a mod-2 adder?

 X-NOR gate
 NOR gate
 X-OR gate
 NAND gate

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

OR operation
NOT operation
None of these
AND operation

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Digital Electronics
Which of the following is 1’s complement representation of -34?

 11011110
 10100010
 11011101
 01011101

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 All inputs are HIGH
 The inputs are equal
 All inputs are LOW
 The inputs are different

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