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Digital Electronics

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

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

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 3
 4
 2
 1

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Digital Electronics
In Boolean algebra, OR is represented by

 /
 +
 ×
 -

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -89 as 10100111
 -48 as 11101000
 -37 as 11011011
 -32 as 11100000

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Digital Electronics
When will be the output of a NOT gate is LOW ?

 the input is HIGH.
 the input is HIGH and LOW.
 the input is LOW.
None of these

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Digital Electronics
The complement of a function A is

 A
 0
 Ā
 1

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