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Digital Electronics

Digital Electronics
EBCDIC code is a

 7-bit code
 8-bit code
 10-bit code
 5-bit code

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Digital Electronics
Convert the binary number (1111000011110000) to hexadecimal number

 F0F0
 5050
 7070
 1010

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

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

  J-K FF.
  D FF.
  S-R FF.
  T FF.

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Digital Electronics
An X-OR gate gives a high output

 if it has even number of 0s
 if there are odd number of 1s
 if the decimal value of digital word is even
 for odd decimal value.

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0011 is subtracted
 0110 is subtracted
 0011 is added
 0110 is added

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MORE MCQ ON Digital Electronics

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