Discuss the following: Checksum method of ensuring data integrity in ROM. Parity bit method of ensuring data integrity in RAM. Serial transmission vs. parallel transmission of data
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- A checksum is a value calculated from a data set that is used to detect errors that may have been introduced during transmission or storage. - The checksum is calculated by adding up all the bytes in the data set and then taking the result modulo a certain Show more…
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Which statement below best describes parity? a. Parity is a means of ensuring that two signal levels are equal and can consist of two types: 0's and 1's. b. Parity is a means of checking the integrity of data transmission and relies on the process of adding the bits in each block of data transmitted and then checking the sum at the receiving end of the system. c. Parity checks the validity of data by counting the number of 1-bits and then ensures that the correct number of bits (either even or odd) is both sent and received.
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