Give the logical function for the following: If cell B7 equals 12, check contents of cell B10. If cell B10 is 10, then the value
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Answer:
Explanation:
To keep the checksum length minimum ,checksum field should be a 4x4 matrix with two dimensional even parity bit.
For this purpose first create a matrix of RxC dimensions and add one even parity bit at the end of each row and column.
parity bit is sort of a check flag used to detect errors in binary data.Error detection is done by adding total number of 1's in the binary sequence.
There are two types of parity bits
- Even
- Odd
For even parity if total number of 1 is even parity bit for that sequence would be (0).
For even parity if total number of 1 is odd parity bit for that sequence would be (1)
For odd parity if total number of 1 is odd parity bit for that sequence would be (0)
For odd parity if total number of 1 is even parity bit for that sequence would be (1)