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Digital Electronics

Digital Electronics
1’s complement of 17 is

 10111.
  01110.
 11100.
 10001.

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 1:1
 2:1
 2:3
 1:2

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Digital Electronics
How many stable state/states present in flip-flop ?

 2
 4
 3
 1

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Digital Electronics
ASCII code is a

 8-bit code
 7-bit code
 10-bit code
 5-bit code

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Digital Electronics
Which number system has a base of 16

 Octal
 Decimal
 Hexadecimal
 None

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Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 AND
 none of these
 NOR
 OR

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