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Digital Electronics

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

 7
 16
 4
 15

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Digital Electronics
What is the logic which controls a stair case light associated with two switches A and B located at the bottom and top of the stair case respectively?

 X-NOR
 OR
 X-OR
 AND

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin13
 Pin2
 Pin14
 Pin1

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Digital Electronics
Which is the correct order of sequence for representing the input values in K-map?

(00, 01, 10, 11)
(00, 10, 11, 01)
(00, 10, 01, 11)
(00, 01, 11, 10)

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Digital Electronics
The output of a NOR gate is high

 only when at least one input is high
 only when at least one input is low
 only when all the inputs are low
 only when all the inputs are high

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

  6.
  10.
 24.
 12.

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