What is systems viewpoint of an operating system?

According to the computer system, the operating system is the bridge between applications and hardware. The system views the operating system as a resource allocator. There are many resources such as CPU time, memory space, file storage space, I/O devices etc. that are required by processes for execution.

What is resource allocation in operating system?

Resource allocation is the process of assigning and managing assets in a manner that supports an organization’s strategic goals. Resource allocation includes managing tangible assets such as hardware to make the best use of softer assets such as human capital.

How does an operating system allocates system resources in a computer?

In this approach, the operating system decides beforehand, that what resources should be allocated to which user program. It divides the resources in the system to many resource partitions, where each partition may include various resources – for example, 1 MB memory, disk blocks, and a printer.

What is an example of resource allocation?

For example, channel allocation in wireless communication may be decided by a base transceiver station using an appropriate algorithm. One class of resource whereby applicants bid for the best resource(s) according to their balance of “money”, as in an online auction business model (see also auction theory).

Why operating system is called an extended machine?

OS as an Extended Machine. Just as the operating system shields (protect from an unpleasant experience) the programmer from the disk hardware and presents a simple file-oriented interface, it also conceals a lot of unpleasant business concerning interrupts, timers, memory management, and other low-level features.

What is the name of the operating system that reads and reacts in terms of actual time?

A real-time operating system (RTOS) is an operating system (OS) intended to serve real-time applications that process data as it comes in, typically without buffer delays.

What is user in operating system?

A user is a person who utilizes a computer or network service. A user often has a user account and is identified to the system by a username (or user name).