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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 4
 7
 15
 16

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Digital Electronics
The NOR gate can function as a NOT gate if

 all inputs are connected together
 one input is set to 1
 one input is set to 0
 inputs are left open

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Digital Electronics
The switch which clears a flip-flop is know as

 Clear
 Reset
 Both A and B
 None

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Digital Electronics
How many numbers are used in the decimal number system?

 0 to 9
 0 to 10
None of these
 1 to 10

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Digital Electronics
1’s complement of 17 is

  01110.
 10111.
 11100.
 10001.

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 n – m literals
 m – 1 literals less than the total number of variables
 n + m literals
 m + 1 literals less than the total number of variables

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