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Digital Electronics

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

 10
 13
 12
 11

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

None of these
AND operation
OR operation
NOT operation

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Digital Electronics
Which of the following logic circuits is the fastest ?

 TTL.
 DTL.
 All have same speed.
 RTL.

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Digital Electronics
What is the 2’s complement of 10110000?

 01010000
 10110000
 01001111
 10001110

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Digital Electronics
Counter is a

  none.
  both.
  combinational circuit.
  sequential circuit.

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

None of these
 1 MHz
 1 mHz
 1 kHz

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