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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 4
 7
 15
 16

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Digital Electronics
NAND. gates are preferred over others because these

have lower fabrication area
consume least electronic power
provide maximum density in a chip.
can be used to make any gate

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Digital Electronics
A switch-tail ring counter is made by using a single D-FF, the following circuit is

  S-R FF.
  D FF.
  J-K FF.
  T FF.

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Digital Electronics
Counter is a

  combinational circuit.
  sequential circuit.
  both.
  none.

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 MOS ICs
 TTL ICs
 CMOS ICs
 ECL ICs

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Digital Electronics
2-out-of-5 code is

 self-complementing code
 weighted code
 non-weighted code
 alphanumeric code

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