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Digital Electronics

Digital Electronics
1 Gigabyte is equal to

 1024 bytes
 1024 bits
 1024 kbytes
 1024 Mbytes

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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-OR
 AND
 X-NOR
 OR

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Digital Electronics
In flip flop clock is present but in latch clock is

  may be present/absent.
  absent always.
  present always.
  none.

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 0011
 1100
 1000
 1001

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Digital Electronics
The output of a NOR gate is high

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

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Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

19
12
21
27

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