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Digital Electronics

Digital Electronics
The number of cells in a 6 variable K-map is

 36
 12
 6
 64

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Digital Electronics
The most suitable gate for comparing two bits is

 X-OR
 OR
 AND
 NAND

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Digital Electronics
The hex address of the 256th memory location is

 00100
 000FF
 00FFF
 001FF

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Digital Electronics
A demultiplexer is a

 1-to-1 device
 N-to-1 device
 1-to-N device
 N-to-N device

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Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLLS
CMOS
ECL
TTLAS

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

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

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