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Digital Electronics

Digital Electronics
A three-state buffer has the following output states

 High, Low, Float
 Set, Reset, Halt
 Both A and B
 1, 0, float

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

 Two inputs and two outputs
 Two inputs and three outputs
 Three inputs and two outputs
 Three inputs and one output

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Digital Electronics
A 15-bit Hamming code requires

 none of these.
 15 parity bits
 5 parity bits
 4 parity bits

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

AND operation
NOT operation
OR operation
None of these

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to negative logic system.

 5 V and 0 V
 0 V and 5 V
 –1.5 V and – 0.5 V
 1 V and 5 V

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Digital Electronics
Transfer of data from one register to another register is known as ________ register operation.

 Intra
 In between
 Inside
 Inter

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