Which statement is incorrect about 'byte' in computers?

Appeared in: UPPSC 2022

Explanation

The statement that the values 0 and 1 are known as a 'Byte' is factually incorrect.
The values 0 and 1 are called 'bits' (binary digits), which are the smallest, most fundamental units of data in computing.
A 'Byte' is a larger unit, defined as a group of 8 bits.

Option B: This statement is factually correct. A byte is universally defined in modern computing as a contiguous sequence of 8 bits.
Option C: This statement is factually correct in the context of binary memory measurement. A kilobyte (KB) is 2^10 bytes, which equals 1024 bytes.
Option D: This statement is factually correct. A 'nibble' (or nybble) is the term for a four-bit aggregation, which is exactly half of an 8-bit byte.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Basic units of computer data storage as background academic context rather than a clinical decision trigger.
While not a direct clinical skill, basic computer literacy is essential for modern nursing practice.
Nurses regularly interact with Electronic Health Records (EHRs), patient monitoring systems, and other medical devices that store and process digital data.
Understanding basic data concepts helps in appreciating system limitations, data storage requirements for medical imaging, and communicating effectively with IT support.

How to Approach the Question

First, identify the core of the question. The question asks to find the 'incorrect' statement among the given options about computer terminology.
Read each option carefully and evaluate its factual accuracy based on your knowledge of computer science fundamentals.
Option A states that 0 and 1 are called a 'Byte'. Recall the most basic unit of computer data. The values 0 and 1 represent binary digits, or 'bits'. A 'byte' is a collection of bits. This statement is likely incorrect.
Option B defines a byte as 8 binary digits. This is the standard definition of a byte.
Option C relates bytes to kilobytes. In binary systems, 1 kilobyte is 1024 bytes (2^10). This is a correct conversion.
Option D defines a nibble as half a byte. A byte is 8 bits, so half is 4 bits, which is the definition of a nibble. This is correct.

Concept Tested & Keywords

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E6 NursingResearch Suresh Sharma 5e Part 2 p. 244-246

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