Multiple choice

In serial data transmission, every byte of data is padded with a '0' in the beginning and one or two '1's at the end of byte because

  1. Receiver is to be synchronized for byte reception

  2. Receiver recovers lost '0's and '1' from these padded bits

  3. Padded bits are useful in parity computation.

  4. None of the above
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A Correct answer
Explanation

In serial data transmission the sender & receiver needs to be synchronized with each other. Receiver should know when 1 byte of data has been sent. 0 & 1's which are padded tell the receiver to synchronize.

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