Explain in brief that OS is an extended machine.
Explain in brief that OS is an extended machine.
Ask by Revati S Misra
Updated 03 Apr 2023
An Operating System (OS) is software that manages and controls a computer system's hardware and software resources. It acts as an interface between the computer user and the system's hardware components. The primary function of an OS is to manage the system resources such as memory, CPU, I/O devices, and network resources, and provide a platform for software applications to run on.
An OS is often referred to as an extended machine because it provides a layer of abstraction between the user and the physical machine. It allows users to interact with the computer using high-level commands and provides a simplified interface for them to work with.
The OS acts as an intermediary between software applications and hardware devices. It manages allocating system resources, such as memory, CPU time, and I/O bandwidth, among multiple applications and ensures that each application runs correctly and efficiently. An OS also provides a layer of security and protection for the system resources, preventing unauthorized access and protecting against malicious software.
In summary, an OS is an extended machine because it provides a more abstract, simplified, and managed environment for users and applications to operate within, rather than requiring direct control of the physical machine.