What is the primary purpose of an operating system?

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Question: What is the primary purpose of an operating system?

Note: The provided data includes an answer indicating option d. but there are no answer options listed in the question payload to compare against. I will address the core concept and also explain why the typical correct-choice statement aligns with common OS purposes.

Common understanding of the primary purpose of an OS: An operating system acts as an intermediary between hardware and software, coordinating and managing hardware resources (CPU, memory, I/O devices) and providing services and abstractions that allow programs to run efficiently and safely. This enables multiple programs to share resources without interfering with each other and gives users a stable interface to interact with the computer system.

If we consider a typical multiple-choice setup, here is how one would evaluate a standard set of options:
- Potential option about resource management and abstraction: This would be correct because resource management (scheduling CPU time, memory allocation, device I/O control) is a core function, and providing an abstraction (like processes, APIs, file systems) simplifies programming and usage.
- Options suggesting only one user outcome, or focusing solely on performance, or claiming OS exists only to run applications, would be incomplete or misleading. In reality, the OS performs multiple roles: process management, memory management, device management, file systems, security/isolation, and user interfaces.

Why the typical correct choice states the OS is about integrating hardware resources and making them available to users:
- Integrating hardware resources: The OS keeps track of all hardware components and decides how to allocate CPU time, memory, I/O devices, and network interfaces among competing processes.
- Making resources available to users: The OS provides usable abstractions (like processes, files, sockets) and services so that programs can operate without needing to manage the intricacies of each hardware device.

Why this broader purpose is more accurate than narrower statements:
- If an option claimed the OS only manages one type of resource (e.g., only CPU scheduling), it would neglect memory, I/O, and security considerations that are essential to modern systems.
- If an option suggested that the OS exists solely to run user applications, it would omit kernel responsibilities like resource isolation, protection, and system stability.
- If an option argued that hardware and software are completely decoupled, it would ignore the OS’s role as the mediator that translates user-level requests into concrete hardware actions.

In summary, the primary purpose of an operating system is to coordinate and manage hardware resources and provide accessible services and abstractions so that programs can run efficiently, securely, and portably. This aligns with the notion that the OS integrates hardware resources and makes them available to users and applications, enabling effective utilization of the computer system.

挡泥板系统软件与计算概念（122024-DAR）

What is the primary purpose of an operating system?

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挡泥板 系统软件与计算概念 （122024-DAR）

What is the primary purpose of an operating system?

查看解析

登录即可查看完整答案

类似问题

Question at position 13 Which of the following is NOT a function of operating systems?To make computers easier to useNone of theseTo control application softwareTo make computers work faster

The advantages of having an operating system in software development is/are:i. Multi-taskingii. Multi-threadingiii. Multi-useriv. Easy application development

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Question at position 29 Which of the following components are part of the operating system kernel?Virtual memoryFile systemCPU schedulingSystem libraries

更多留学生实用工具

希望你的学习变得更简单

挡泥板系统软件与计算概念（122024-DAR）