You Propose a Code in Which Each Two-Digit Binary Message

question 75

Multiple Choice

You propose a code in which each two-digit binary message word a₁ a₂ has appended a parity-check digit c₁ = a₁ + a₂. Which of the following is a true statement?

• A) The code can detect and correct any single-digit error.
• B) The code can detect any single-digit error and correct some but not all single-digit errors.
• C) The code can detect any single-digit error, but it cannot correct any single-digit error.
• D) The code can detect some but not all single-digit errors.

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Definitions:

Erosion

the process by which natural forces, like water or wind, remove soil, rock, or dissolved material from one location and transport it to another.

Stream Confined

Refers to a watercourse that flows within narrow, limited boundaries, usually within a canyon or a gorge.

Steep Drainage

Terrain or landscapes where water flows very quickly due to steep slopes, often leading to rapid erosion.

Broad Valley

A wide and often flat trough between mountains or hills, typically having a river or stream running along it.