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Digital Electronics

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

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

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

Base 10
Base 3
Base 16
Base 8

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

 12.
  10.
 24.
  6.

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 1
 3
 4
 2

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

 17670
 17067
 17607
 10767

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

 48H
 08H
 42H
 50H

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