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Digital Electronics

Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 10
 6
 12
 9

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 a NAND or a NOR
 an AND or a NOR
 an AND or an OR
 an OR or an X-OR

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Digital Electronics
Combinations that are not listed for the input variables are

 Borrow
 Don't Care
 Overflow
 Carry

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 3
 1 and 3
 1 and 4
 0 and 4

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

  J-K FF.
  S-R FF.
  T FF.
  D FF.

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Digital Electronics
1 kb represents

 10,000 bytes
 1024 bytes
 100 bytes
 1000 bytes

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MORE MCQ ON Digital Electronics

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