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Digital Electronics

Digital Electronics
A read only memory in which the present contents must be erased before the new information can be stored is

 ROM
 EAROM
All of these
 PROM

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Digital Electronics
To get an excess-3 code from BCD code

 0011 is added
 0011 is subtracted
 0110 is added
 0110 is subtracted

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Digital Electronics
Unit distance code is the other name of

 XS-3 code
 self-complementing code
 cyclic code
 sequential code

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Digital Electronics
The binary equivalent of hexadecimal number 4F2D is

 0100 1111 0010 1100
 0100 1111 0010 1101
 0101 1111 0010 1100
 0100 1110 0010 1101

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Digital Electronics
In flip flop clock is present but in latch clock is

  absent always.
  none.
  present always.
  may be present/absent.

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Digital Electronics
How many input and output required for multiplexer ?

 Many input and one output
 One input and many output
 One input and one output
None of these

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MORE MCQ ON Digital Electronics

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