Question

'parity bits" are used for which of the following purposes​

Answer 1

Answer:

to detect errors.

Explanation:

The parity bit is also known as the check bit, and has a value of 0 or 1. It is used for error detection for blocks of data.

Answer 2

Answer:

"Parity bits" are used for error detection.

Explanation:

"Parity bits" or also known as "Check bits" are basically binary-sequences added in the smallest units of a communication protocol for error detection purposes.

• The purpose of the parity bits is to give a simple way to check errors in the communication.

• Parity bits are generally 1 to 0.

• Parity bits assure that total of 1-bits in the string is even or odd.

• Once the data is transferred or stored then it is common for the bit to "flip" i.e changes 1 from 0 binary or 0 to 1.

• To eradicate these types of errors "parity bits" are added.

• The main problem of this error checking method is it can only detect odd no. error in sequence but not the even then if an even number of bits are flipped then it is not possible to detect it.

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