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Digital Electronics

Digital Electronics
The number of rows in the truth table of a 4-input gate is

 4
 8
 16
 12

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Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 none of these
 NAND
 OR
 NOR

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

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

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Conversion
 Sequential
 Combinational
 Both A and B

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Digital Electronics
If 4 input MUXes drive a 4 input multiplexer, it results a

 16 input MUX
 6 input MUX
 8 input MUX
 4 input MUX

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Digital Electronics
The 1’s complement of 11010111 is

 10101000
 10101000
 00101000
 11101000

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