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Digital Electronics

Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 4
 6
 5
 8

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are equal
 The inputs are different
 All inputs are HIGH
 All inputs are LOW

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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?

 AND
 X-NOR
 X-OR
 OR

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Digital Electronics
Which of the following represents (E3)16 ?

 (1BC)16-(DE)16
 (2BC)16-(1DE)16
 (1CE)16+(A2)16
 (200)16-(11D)16

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 3
Base 10
Base 16
Base 8

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Digital Electronics
2-out-of-5 code is

 non-weighted code
 self-complementing code
 alphanumeric code
 weighted code

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