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Digital Electronics

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

OR operation
None of these
AND operation
NOT operation

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Combinational
 Both A and B
 Conversion
 Sequential

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Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 AND, NAND
 OR, NOR
 NAND, AND
 NOR, OR

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

OR gates
None of these
NAND gates
NOT gates

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Digital Electronics
What is the difference between xor gate and exor gate.

 xor gives two outputs while exor gives one
 xor and exor are complement of each other
 xor gives one output while exor gives two
 both are same

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

 NOR
 X-OR
 NAND
 X-NOR

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