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Digital Electronics

Digital Electronics
In Boolean algebra, OR is represented by

 -
 ×
 +
 /

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

 00001100
 00001000
 01110011
 00000011

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Digital Electronics
A device which converts BCD into octal is called

 encoder
 decoder
 demultiplexer
 code converter

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Digital Electronics
A digital circuit that can store on bit is a

 flip-flop
 registor
 XOR gate
 gate

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Digital Electronics
A 15-bit Hamming code requires

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

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Digital Electronics
At which the digital data can be applied to a a gate is known as ________ frequency.

 Truth
 Operating
 Run-time
 Propagation

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