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Digital Electronics

Digital Electronics
A demultiplexer is a

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

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

None of these
 Open collector output
 Tristate
 Output is inverted

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Digital Electronics
In a read-only memory information can be stored

 by the user a number of times
 by the user only once during its life time
 in any of the above ways depending upon the type of memory
 at the time of fabrication

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

 6
 64
 12
 36

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

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

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Digital Electronics
Consider the operation 24+17 = 40 .What is the correct base of number so that operation is correct?

 11
 10
 13
 12

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