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Digital Electronics

Digital Electronics
In Boolean algebra A.A is equal to

 1
 A²
 2A
 A

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

 6
 9
 10
 12

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 All inputs are HIGH
 The inputs are equal
 The inputs are different
 All inputs are LOW

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Digital Electronics
A graphical representation of a products in a truth table is called as

 K-Map
 Graphing
 Mapping
 T-Map

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Digital Electronics
(11011) 2 in BCD 8421 code is

 00100111
 01101100
 11011001
 00011011

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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?

 X-OR
 NOT
 AND
 OR

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