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Digital Electronics

Digital Electronics
What is the 2’s complement of 10110000?

 10001110
 01001111
 10110000
 01010000

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Digital Electronics
Which of the following logic circuits is the fastest ?

 DTL.
 RTL.
 All have same speed.
 TTL.

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Digital Electronics
An any or all gate is the other name of

 AND gate
 OR gate
 X-OR gate
 X-NOR gate

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Digital Electronics
The output of a NAND gate is low

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

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Digital Electronics
A self-complementing code for the decimal digits is created using the weight 4 4 3 -2. The value of 8592 in the code is

 1000 0101 1001 0010
 1100 0111 1111 0011
 1100 1011 1111 1001
 1100 1001 1111 1000

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Digital Electronics
(44)8 in BCD 8421 code is

 00110110
 01000100
 01100011
 00100100

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MORE MCQ ON Digital Electronics

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