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Digital Electronics

Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 OR, NOR
 XOR, NOR
 NOR, XNOR
 XOR, OR

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Digital Electronics
A device which converts 2421 code into 8421code is called a

 code converter
 coder
 code decoder
 code encoder

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Digital Electronics
XNOR followed by a NOT gate is equivalant to ________ gate

 NOR
 OR
 XNOR
 XOR

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

 > 50,000
 > 1,00,000
 1,00,000 to 10,00,000
 50,000 to 99,999

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

 AND
 NAND
 OR
 NOR

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Digital Electronics
How many bits are required to store one BCD digit ?

 4
 2
 1
 3

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