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Digital Electronics

Digital Electronics
Stack is also known as

 FIFO memory
 LILO memory
 LIFO memory
 Flash memory

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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.

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

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Digital Electronics
In which code do the successive code characters differ in only one position?

 Gray code
 Hamming code
 XS-3 code
 8421 code

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Digital Electronics
Which of the following gates cannot be used as an inverter?

 AND
 NOR
 NAND
 X-NOR

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

  T FF.
  J-K FF.
  S-R FF.
  D FF.

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

 24.
  10.
 12.
  6.

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