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Digital Electronics

Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 10
 6
 9
 12

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Digital Electronics
In digital systems, 1 byte is equal to ________ bit(s).

 1
 8
 4
 2

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Digital Electronics
A demultiplexer is a

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

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Digital Electronics
The binary code of (21.125)10 is

10101.001
10100.001
10101.01
10100.111

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

 the input is LOW
 the input is HIGH and LOW
 the input is HIGH
None of these

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Digital Electronics
In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

 1,10101.1001
 1,10110.1001
 0,10110.1001
 0,10110.1011

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