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Digital Electronics

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

  S-R FF.
  T FF.
  D FF.
  J-K FF.

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 AND
 X-OR
 NOT
 OR

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Digital Electronics
X OR X' will result

 0
 X'
 1
 X

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Digital Electronics
The X-OR and X-NOR gates can have how many inputs?

 4
 1
 any number
 2

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Digital Electronics
A Binary number system has how many digits.

 0
 1
 10
 2

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Digital Electronics
How many bits are required to store one BCD digit ?

 4
 3
 1
 2

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