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Digital Electronics

Digital Electronics
F’s complement of (2BFD)Hex is

 C403
 D402
 E304
 D403

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Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

OR gate
NOT gate
None of these
AND gate

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Digital Electronics
A switch-tail ring counter is made by using a single D-FF, the following circuit is

  T FF.
  J-K FF.
  D FF.
  S-R FF.

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 AND-AND
 NOR-OR
 XOR-NAND
 AND-OR

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 OR
 NAND
 AND
 X-NOR

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Digital Electronics
The hex address of the 256th memory location is

 00100
 000FF
 001FF
 00FFF

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