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Digital Electronics

Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 7070
 1010
 5050
 F0F0

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

 00001100
 00001000
 01110011
 00000011

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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
What is the requirement of fullsubstractor circuit ?

 Three inputs and two outputs
 Two inputs and three outputs
 Three inputs and one output
 Two inputs and two outputs

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Digital Electronics
A single flip-flop can be cleared (reset) to

 1
 Both A and B
 None
 0

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Digital Electronics
If clock time period is 1ms, what is its frequency

 1 MHz
 1 mHz
None of these
 1 kHz

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