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Digital Electronics

Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

NOT operation
OR operation
AND operation
None of these

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Digital Electronics
All the integers and decimal numbers are represented by

 odd numbers
 whole numbers
 even numbers
 real numbers

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Digital Electronics
Truth table is used to express

 Boolean expression
 Boolean matrix
 Boolean map
 Boolean addition

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Digital Electronics
In a read-only memory information can be stored

 by the user a number of times
 by the user only once during its life time
 in any of the above ways depending upon the type of memory
 at the time of fabrication

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output follow input
 the output follows clock
 the output is LOW
 the output is HIGH

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Digital Electronics
The 1’s complement of 11010111 is

 00101000
 10101000
 10101000
 11101000

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