An organized collection of software that controls the overall operation of a computer is?

AIIMS Raipur - 2017 (shift-2)

Computer and Nursing Information

Easy

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

Explanation

An Operating System (OS) is defined as a collection of software that manages computer hardware resources and provides common services for computer programs.
It is the most important software that runs on a computer, controlling its overall operation.
The OS acts as an intermediary, allowing users and application software to interact with the computer's physical components (hardware).
Key functions include managing memory, processing tasks, controlling peripherals, and providing a user interface.
Examples include Microsoft Windows, macOS, and Linux for desktops, and Android and iOS for mobile devices.

Option A: A server is a computer or a program that provides services and resources to other computers (clients) on a network. It is not the software that controls the operation of a single computer.
Option B: A processor, or Central Processing Unit (CPU), is a physical hardware component. The question asks for a collection of software.
Option D: Device drivers are specialized software components that allow the OS to communicate with and control specific hardware devices (e.g., a printer or graphics card). They are part of the system software but not the entire collection that controls the computer.

Visual 1: Diagram - A layered model of a computer system. This visual can show the hierarchy with Hardware at the bottom, followed by the Operating System, then Application Software, and finally the User at the top, illustrating how the OS mediates between hardware and applications.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition and function of an Operating System (OS) in a computer as background academic context rather than a clinical decision trigger.
In a hospital setting, all computers, from administrative desktops to complex diagnostic machines like CT scanners and patient monitoring systems, run on an operating system.
A stable and secure OS is critical for running Electronic Health Record (EHR) software, ensuring patient data is managed correctly and is accessible when needed.
Nurses interact with the OS indirectly every time they use a computer for charting, accessing patient records, or using a workstation on wheels (WoW). Understanding its role helps in basic troubleshooting.

How to Approach the Question

First, analyze the question stem to identify the key definition being asked. The stem asks for an 'organized collection of software' that 'controls the overall operation'.
This is a factual recall question that tests your knowledge of basic computer terminology.
Evaluate each option against the definition.
Option A, 'Server', is a type of computer role on a network, not the control software itself.
Option B, 'Processor', is hardware (the CPU), not software.
Option C, 'OS' (Operating System), directly matches the definition of software that controls the entire computer.

Concept Tested & Keywords

Concept Tested: Definition and function of an Operating System (OS) in a computer.
Stem keywords: organized collection, software, controls, overall operation, computer
Lead-in keywords: BEST, MOST RELEVANT CLUE
Negative lead-in flag: false

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