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Digital Electronics

Digital Electronics
A bubbled AND gate is equivalent to a

 X-OR gate
 OR gate
 NOR gate
 NAND gate

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

 50H
 48H
 42H
 08H

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Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 1
 4
 3
 2

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to positive logic system.

 –1.5 V and – 5 V
 0 V and 5 V
 5 V and 0 V
 1 V and -5 V

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Digital Electronics
The hex address of the 256th memory location is

 00100
 00FFF
 001FF
 000FF

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Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 17607
 17067
 10767
 17670

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MORE MCQ ON Digital Electronics

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