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Digital Electronics

Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

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

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 001000
 100111
 0001111
 101001

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Digital Electronics
Choose the option which is not a code conversion standard

 BCD code
 Truth code
 Excess-3 code
 Gray code

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

 42H
 48H
 50H
 08H

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

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

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Digital Electronics
Which of the following represents (E3)16 ?

 (2BC)16-(1DE)16
 (1CE)16+(A2)16
 (1BC)16-(DE)16
 (200)16-(11D)16

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