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NIELIT 2017 OCT Scientific Assistant A (CS) - Section B: 24

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Bit stuffing refers to

  1. Inserting a $’0’$ in user data stream to differentiate it with a flag
  2. Inserting a $’0’$ in flag stream to avoid ambiguity
  3. Appending a nibble to the flag sequence
  4. Appending a nibble to the user data stream
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Bit stuffing is the process of inserting non information bits into data to break up bit patterns to affect the synchronous transmission of information.

non information bit can be 0or 1it is depend on flag.

option D

 

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