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Digital Electronics

Digital Electronics
8421 code is

 alphanumeric code
 weighted code
 self-complementing code
 non-weighted code

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Digital Electronics
Which of the following is 2’s complement of +12?

 00001000
 01110011
 00000011
 00001100

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 NOR
 AND, OR, and NOT
 NAND
 X-OR

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an AND gate?

 NAND
 OR
 X-OR
 NOR

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Digital Electronics
Truth table is used to express

 Boolean addition
 Boolean expression
 Boolean matrix
 Boolean map

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Digital Electronics
X OR X' will result

 X'
 X
 0
 1

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