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Digital Electronics

Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 OR
 AND
 NOT
 X-OR

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 an AND or a NOR
 a NAND or a NOR
 an AND or an OR
 an OR or an X-OR

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

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

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 TTL ICs
 ECL ICs
 MOS ICs
 CMOS ICs

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Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 15
 7
 16
 4

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Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 X-OR
 NAND
 OR
 NOR

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