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Digital Electronics

Digital Electronics
The complement of a function A is

 Ā
 A
 1
 0

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

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Digital Electronics
What will be Excess - 3 code for decimal ( 584 )?

  (0111 0100 1000).
  (1000 1011 0111).
 (1000 0111 1110).
 (1011 0111 1000).

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Digital Electronics
Digital circuit can be made by the repeated use of ___________

None of these
NOT gates
OR gates
NAND gates

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 001000
 100111
 101001
 0001111

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Digital Electronics
The output of a NAND gate is low

 only when all the inputs are high
 only when at least one input is high
 only when at least one input is low
 only when all the inputs are low

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