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Digital Electronics

Digital Electronics
If a Hexadecimal number needs to convert to binary. For each hexadecimal digit, there will be how many bits

 4
 2
 8
 1

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Digital Electronics
A device which converts BCD into octal is called

 code converter
 encoder
 demultiplexer
 decoder

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 none
 48,777
 47,877
 48,877

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Digital Electronics
Which of the following is 2’s complement of +12?

 01110011
 00001000
 00001100
 00000011

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Digital Electronics
The output of a NOR gate is high

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

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 Equal to the MSB of the original byte
 1
 Complement of the MSB of the original byte
 0

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