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Digital Electronics

Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 one
 two
 four
 three

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Digital Electronics
How many input and output required for demultiplexer ?

 number of selection inputs and one output
 one input and many output
 one input and one output
None of these

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Digital Electronics
The only function of NOT gate is to ___________.

Invert input signal
None of these
Stop signal
Act as a universal gate

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Digital Electronics
A 32 × 10 ROM contains a decoder of size

 10 × 32
 5 × 32
 32 × 10
 32 × 32

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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
A three-state buffer has the following output states

 Set, Reset, Halt
 1, 0, float
 High, Low, Float
 Both A and B

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