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Digital Electronics

Digital Electronics
A flip flop is a _______ circuit.

 None
 Combinational
 Sequential
 Both A and B

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Digital Electronics
If a counter having 10 flip flops is initially at 0, What count will if hold after 2060 pulses?

  000 000 1000.
 000 001 1100.
  000 000 1100.
 000 000 1110.

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Digital Electronics
Which of the following is not a transmission medium?

 Microwave systems.
 Telephone lines.
 Coaxial cables.
  Modem.

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Digital Electronics
What is the gray code for the binary 101011?

 111110
 101011
 110101
 011111

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Digital Electronics
An all or nothing gate is the other name of

 OR gate
 AND gate
 X-NOR gate
 X-OR gate

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an OR or an X-NOR
 an OR or an X-OR
 a NAND or an X-OR
 an AND or a NOR

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