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Digital Electronics

Digital Electronics
An 8 × 4 ROM contains a decoder of size

 8 × 8
 3 × 4
 8 × 4
 3 × 8

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

 8421 code
 XS-3 code
 Gray code
 Hamming code

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Digital Electronics
If a counter having 10 flip flops is initially at 0, What count will if hold after 2060 pulses?

 000 000 1110.
  000 000 1000.
 000 001 1100.
  000 000 1100.

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 NOT gate followed by a NOR gate
 complement of a NOR gate
 X-OR gate followed by an inverter
 inverter followed by an X-OR gate

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 101001
 001000
 0001111
 100111

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Digital Electronics
Which logic family provide minimum power dissipation

 JFET
 CMOS
 ECL
 TTL

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