A string of bits used to represent a character is known as a?

Appeared in: AIIMS Raipur - 2017 (shift-2)

Explanation

A byte is the basic unit of digital information in computing.
It is a sequence of bits, and in modern systems, a byte is almost always equivalent to 8 bits.
This 8-bit structure allows for 256 (2⁸) different combinations, which is used to represent a single character of text, such as a letter, number, or symbol, through encoding schemes like ASCII.

Option A: 'Data' is a general term for information processed or stored by a computer; it is not a specific unit used to represent a character.
Option B: 'Memory' refers to the physical devices (like RAM or hard drives) used to store data, not the unit of data itself.
Option D: A 'Volt' is the unit of electric potential or electromotive force and is completely unrelated to data storage or representation. It is a concept from physics.

Visual 1: Diagram - An illustration showing 8 individual bits (0s and 1s) grouped together to form a single byte, which is then shown to represent a character like 'A'.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Fundamental units of digital information as background academic context rather than a clinical decision trigger.
Understanding basic data units like bytes is fundamental to digital literacy, which is crucial for modern nurses using Electronic Health Records (EHRs), telehealth platforms, and other medical software.
What if? - If a system used a 16-bit character encoding (like early Unicode, UTF-16) instead of 8-bit ASCII, it would require two bytes per character. This would double the storage space needed for text but would allow for representing a much larger range of characters, including those from many different world languages.

How to Approach the Question

Identify the key terms in the question: 'string of bits' and 'represent a character'.
This is a definition-based recall question. Evaluate each option based on its definition in the context of computer science.
Eliminate options that are clearly incorrect or out of context. 'Volt' is a unit of electricity, not data.
Differentiate between the remaining terms. 'Data' is too general, and 'Memory' is a location. 'Byte' is the specific unit for a group of bits representing a character.

Concept Tested & Keywords

QP1sT_GiabqxR102LeG9mk

Practise the full AIIMS Raipur - 2017 (shift-2)

Attempt every question from this paper in a timed mock, then review the full solution for each one.