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Digital Electronics

Digital Electronics
Which of the following is equivalant to an ODD function

 XOR
 XNOR
 AND-NOR
 NOR

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Digital Electronics
Minimization of logical expressions while designing digital systems helps in reducing

 space requirements
 power requirements
All of these
 cost

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Digital Electronics
The number of parity bits in a 12-bit Hamming code is

 8
 5
 4
 6

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

 Coaxial cables.
  Modem.
 Telephone lines.
 Microwave systems.

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Digital Electronics
Why decoder is used in the digital electronics ?

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

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more squared than NOR
 NOR has got a bubble at its output terminal
 OR is more oval than NOR
 OR has got a bubble at its output terminal

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