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Digital Electronics

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

 Run-time
 Truth
 Propagation
 Operating

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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 one output
 one input and many output

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

 Telephone lines.
 Microwave systems.
 Coaxial cables.
  Modem.

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

 5 V and 0 V
 1 V and -5 V
 –1.5 V and – 5 V
 0 V and 5 V

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Digital Electronics
A byte is equal to ________ bits.

 16
 32
 4
 8

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Digital Electronics
In a read-only memory information can be stored

 at the time of fabrication
 in any of the above ways depending upon the type of memory
 by the user a number of times
 by the user only once during its life time

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