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Digital Electronics

Digital Electronics
Which of the following is 2’s complement of +12?

 00000011
 00001000
 00001100
 01110011

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Digital Electronics
In a T flip-flop no of input circuit is

 2
 1
 4
 3

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Digital Electronics
How many input and output required for demultiplexer ?

None of these
 one input and many output
 number of selection inputs and one output
 one input and one output

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Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 12 bits
 8 bits
 16 bits
 10 bits

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Digital Electronics
If in a base b number system, 54/4=13, the base of the number is

 6
 7
 8
 9

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Digital Electronics
A 16-square eliminates

 2 variables
 4 variables
 8 variables
 3 variables

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