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Digital Electronics

Digital Electronics
Which of the following shows the correct attachment of even parity bit to the data 00001001?

 000010010
 000001001
 100001001
 000010011

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 X-OR
 NOR
 NAND
 AND, OR, and NOT

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Digital Electronics
How many input and output required for demultiplexer ?

 number of selection inputs and one output
None of these
 one input and many output
 one input and one output

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin14
 Pin1
 Pin13
 Pin2

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Digital Electronics
What is the gray code for the binary 101011?

 111110
 101011
 011111
 110101

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 3 × 8
 8 × 4
 3 × 4
 8 × 8

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