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Digital Electronics

Digital Electronics
In which code do the successive code characters differ in only one position?

 Hamming code
 8421 code
 XS-3 code
 Gray code

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 TTL ICs
 ECL ICs
 CMOS ICs
 MOS ICs

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Digital Electronics
An AND gate can be imagined as

 transistors connected in series
 switches connected in parallel
 switches connected in series
 transistors connected in paralle

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Digital Electronics
The 2s complement of 17 is

  101111.
 111110.
 101110.
 110001.

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Digital Electronics
A 15-bit Hamming code requires

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

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

 start time
 Decay time
 propagation time
 run time

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MORE MCQ ON Digital Electronics

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