# What would be the checksum field in a single parity bit scheme?

Suppose that the information content of a packet is the bit pattern 1111000010100101 and an even parity is being used.

a. What would be the checksum field in a single parity bit scheme?

b. What would be the value of the checksum field b for the case of a two-dimensional parity scheme? Your answer should be such that a minimum-length checksum is used.

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#### Solution Preview

Information content = 1111000010100101

Use an even parity

a) For a Single parity scheme: Add a parity bit at the end to make number of 1's EVEN. There are already eight 1's in the data; hence the parity bit is to be 0.

Hence the data transmitted incluidng the ...

#### Solution Summary

This solution shows how to determine the checksum field.

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