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Digital Electronics

Digital Electronics
A device which converts BCD into octal is called

 code converter
 decoder
 encoder
 demultiplexer

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Digital Electronics
Which of the following is not a transmission medium?

 Telephone lines.
 Microwave systems.
  Modem.
 Coaxial cables.

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Digital Electronics
In signed magnitude representation, the binary equivalent of 22.5625 is (the bit before comma represents the sign)

 1,10101.1001
 1,10110.1001
 0,10110.1001
 0,10110.1011

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 an AND or a NOR
 an AND or an OR
 a NAND or a NOR
 an OR or an X-OR

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Digital Electronics
A digital voltmeter has a read out range from 0 to 999 counts, the resolution is

  1 mV.
 1.1 V.
 1 V.
 0.01 V.

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Digital Electronics
A demultiplexer is a

 1-to-1 device
 1-to-N device
 N-to-N device
 N-to-1 device

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MORE MCQ ON Digital Electronics

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