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Digital Electronics

Digital Electronics
(11011) 2 in BCD 8421 code is

 11011001
 00100111
 00011011
 01101100

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Digital Electronics
The binary number designations of the rows and columns of the K-map are in

 Gray code
 BCD code
 binary code
 XS-3 code

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

NOT operation
AND operation
None of these
OR operation

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Digital Electronics
The number of cells in a 6 variable K-map is

 6
 64
 36
 12

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NAND or an X-OR
 a NOR or an X-NOR
 a NAND or an AND
 a NAND or an X-NOR

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 10
Base 16
Base 8
Base 3

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