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Digital Electronics

Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 AND
 OR
 NOT
 X-OR

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Digital Electronics
A single flip-flop can be cleared (reset) to

 1
 Both A and B
 None
 0

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0011 is added
 0011 is subtracted
 0110 is subtracted
 0110 is added

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Digital Electronics
The parity of the binary number 11011001 is

 odd
 same as the number of zeros
 not known
 even

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 AND, OR, and NOT
 X-OR
 NOR
 NAND

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

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

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MORE MCQ ON Digital Electronics

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