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What Is Computer Operating System ?
What Is Computer Operating System?
A computer operating system is a software program that manages and controls the hardware and software resources of a computer. It acts as an intermediary between the computer's hardware and the user or application software, providing a convenient and efficient environment for executing programs and performing various tasks.
The operating system performs several essential functions, including:
Process management: It manages the execution of programs or processes, allocating system resources such as CPU time, memory, and input/output devices.
Memory management: It controls the allocation and deallocation of memory to different programs and processes, ensuring efficient and secure utilization of the computer's memory resources.
File system management: It provides a way to organize and store files on storage devices such as hard drives, solid-state drives (SSDs), or network storage. It also manages access to files, including creating, deleting, and modifying them.
Device management: It handles communication with hardware devices such as keyboards, mice, printers, disk drives, and network interfaces. The operating system provides drivers that enable these devices to work properly and offers a consistent interface for applications to interact with the hardware.
User interface: It provides a means for users to interact with the computer, typically through graphical user interfaces (GUIs) or command-line interfaces (CLIs). The user interface allows users to run programs, access files, configure system settings, and perform other tasks.
Security: It includes mechanisms to protect the computer system and its data from unauthorized access, viruses, and other malicious activities. This includes user authentication, file permissions, encryption, and firewall configurations.
Examples of popular operating systems include Microsoft Windows, macOS, Linux, and Android. Each operating system has its own features, design principles, and compatibility with specific hardware and software applications.
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By ShoryaSajwan, VertikaWhat Is Computer Operating System?
A computer operating system is a software program that manages and controls the hardware and software resources of a computer. It acts as an intermediary between the computer's hardware and the user or application software, providing a convenient and efficient environment for executing programs and performing various tasks.
The operating system performs several essential functions, including:
Process management: It manages the execution of programs or processes, allocating system resources such as CPU time, memory, and input/output devices.
Memory management: It controls the allocation and deallocation of memory to different programs and processes, ensuring efficient and secure utilization of the computer's memory resources.
File system management: It provides a way to organize and store files on storage devices such as hard drives, solid-state drives (SSDs), or network storage. It also manages access to files, including creating, deleting, and modifying them.
Device management: It handles communication with hardware devices such as keyboards, mice, printers, disk drives, and network interfaces. The operating system provides drivers that enable these devices to work properly and offers a consistent interface for applications to interact with the hardware.
User interface: It provides a means for users to interact with the computer, typically through graphical user interfaces (GUIs) or command-line interfaces (CLIs). The user interface allows users to run programs, access files, configure system settings, and perform other tasks.
Security: It includes mechanisms to protect the computer system and its data from unauthorized access, viruses, and other malicious activities. This includes user authentication, file permissions, encryption, and firewall configurations.
Examples of popular operating systems include Microsoft Windows, macOS, Linux, and Android. Each operating system has its own features, design principles, and compatibility with specific hardware and software applications.