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Digital Electronics

Digital Electronics
The following code is not a BCD code.

 all of these
 Gray code
 8421 code
 XS-3 code

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

 Graphing
 Mapping
 T-Map
 K-Map

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Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

27
12
19
21

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

 16
 15
 4
 7

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Digital Electronics
The XS-3 code is a

 error-correcting code
 self-complementing code
 cyclic code
 weighted code

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Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 X-OR
 OR
 NOR
 NAND

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MORE MCQ ON Digital Electronics

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