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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 4
 15
 16
 7

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

 CMOS ICs
 TTL ICs
 MOS ICs
 ECL ICs

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 1, K = 1.
 J = 0, K = 0.
 J = 0, K = 1.
 J = 1, K = 0.

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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?

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

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Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 7070
 1010
 5050
 F0F0

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Digital Electronics
An AND gate will function as OR if

Either of the inputs is “1”
All the inputs and outputs are complemente'
All the inputs to the gates are “1”
All the inputs are ‘0’

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