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Digital Electronics

Digital Electronics
A flip flop is a _______ circuit.

 Combinational
 Both A and B
 Sequential
 None

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Digital Electronics
An OR gate has 6 inputs. The number of input words in its truth table are

6
32
64
128

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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 one of the following is 2’s complement of -68?

 10111100
 01111100
 00111100
 11000100

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 OR
 AND
 X-NOR
 NAND

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Digital Electronics
If a Hexadecimal number needs to convert to binary. For each hexadecimal digit, there will be how many bits

 1
 8
 2
 4

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