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Digital Electronics

Digital Electronics
A 15-bit Hamming code requires

 15 parity bits
 4 parity bits
 5 parity bits
 none of these.

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Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 OR, NOR
 AND, NAND
 NAND, AND
 NOR, OR

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

Base 10
Base 16
Base 3
Base 8

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

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

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 NOR, XNOR
 XOR, OR
 OR, NOR
 XOR, NOR

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