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Digital Electronics

Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 1
 3
 2
 4

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Digital Electronics
The NOR-NOR realization is equivalent to

 OR-AND realization
 OR-NOT realization
 NOT-AND realization
 AND-OR realization

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Digital Electronics
Why decoder is used in the digital electronics ?

 To convert coded information into non coded form
 It is used to separate address bus and data bus
 To convert non coded information into coded form
None of these

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Digital Electronics
The decimal number 0.246 in binary is

 0.010111
 0.011011
 0.001101
 0.001111

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Digital Electronics
The resolution of a 12 bit analog to digital converter in percent in

  0.02441.
  0.01220.
 0.09760.
 0.04882.

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

 Telephone lines.
 Coaxial cables.
 Microwave systems.
  Modem.

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