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Digital Electronics

Digital Electronics
If clock time period is 1ms, what is its frequency

 1 mHz
None of these
 1 kHz
 1 MHz

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Digital Electronics
Which of the following codes is known as the 8421 code?

 XS-3 code
 Gray code
 ASCII code
 BCD code

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Digital Electronics
Which of the following operations is commutative but not associative?

 NAND
 OR
 X-OR
 AND

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

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

 00100
 001FF
 00FFF
 000FF

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Digital Electronics
A debouncing circuit is

A latch
An astable MV
A monostable MV
A bistable MV

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