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Digital Electronics

Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 4
 0 and 3
 1 and 3
 0 and 4

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

 Both A and B
 1
 None
 0

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

 Coaxial cables.
 Telephone lines.
 Microwave systems.
  Modem.

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Digital Electronics
The number 10000 would appear just immediately after

7777 (octal)
1111 (binary)
FFFF (hex)
All of these

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Digital Electronics
A multiplexer is a

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

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Digital Electronics
The NAND gate can function as a NOT gate if

 one input is set to 1
 all inputs are connected together
 inputs are left open
 one input is set to 0

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