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Digital Electronics

Digital Electronics
(FE35)16 XOR (CB15)16 is equal to

 (3520)16
 (FF35)16
 (FF50)16
 (3320)16

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Digital Electronics
The NAND gate is AND gate followed by ___________.

NOT gate
AND gate
None of these
OR gate

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

 42H
 50H
 08H
 48H

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Digital Electronics
The 7-bit Hamming code is used to transmit

 3 data bits
 7 data bits
 no data bits
 4 data bits

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Digital Electronics
The NAND gate can function as a NOT gate if

 one input is set to 1
 inputs are left open
 all inputs are connected together
 one input is set to 0

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 OR
 NOT
 AND
 NAND

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