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Digital Electronics

Digital Electronics
The time required for a gate to change its output is called as

 start time
 Decay time
 run time
 propagation time

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1100 1001 1111 1000
 1000 0101 1001 0010
 1100 0111 1111 0011
 1100 1011 1111 1001

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Digital Electronics
To get an excess-3 code from BCD code

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

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Digital Electronics
A 15-bit Hamming code requires

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

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Digital Electronics
Excess-3 code is known as

Algebraic code
Cyclic redundancy code
Self-complementing code
Weighted code

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

 OR
 NAND
 NOT
 AND

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MORE MCQ ON Digital Electronics

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