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Digital Electronics

Digital Electronics
Which of the following is known as a mod-2 adder?

 X-NOR gate
 X-OR gate
 NAND gate
 NOR gate

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Digital Electronics
When two n-bit binary numbers are added then the sum will contain at most

 (n + n)-bit
 (n + 2)-bit
 n-bit
 (n + 1)-bit

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Digital Electronics
X OR X' will result

 0
 X'
 1
 X

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

 T-Map
 Mapping
 Graphing
 K-Map

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 42H
 08H
 50H
 48H

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Digital Electronics
The 1’s complement of 11010111 is

 10101000
 10101000
 11101000
 00101000

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