Ace the Digital Technician ROC II Exam 2025 – Elevate Your Tech Skills and Triumph!

Question: 1 / 400

In the ASCII character string, where is the single parity bit added?

The first-bit position

The fourth-bit position

The eighth-bit position

In an ASCII character string, the single parity bit is added to ensure data integrity during transmission by allowing for error detection. The correct placement of the parity bit is at the last-bit position.

When using a parity bit, it is typically appended to the end of a standard 7-bit ASCII character. This allows the character to be represented with 8 bits in total—7 bits for the character itself and 1 bit for the parity. The parity bit can be configured for even parity (where the total number of 1s is even) or odd parity (where the total number of 1s is odd), depending on the error detection scheme being utilized.

This placement allows the ASCII character to retain its original structure while providing an extra bit for validation without altering the fundamental representation of the character.

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The last-bit position

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