what does an operating system need in order to function properly? what are the logical requirements...

what does an operating system need in order to function properly?

what are the logical requirements of it?

Expert Solution

Def:Operating system is a program that acts an interface between the user and server.

An operating system is the most important software that runs on a computer's. The fundamental goal of a computer system is to execute programs and t make tasks easier.Operating system is a software which control and manage the set of resources.It utilize every part of a computer in a effective manner.

Needs:

Platform for application programs
User interface
Managing input and output units
Multitasking

Some of the functions of an Operating System:

Process Management
- Shortest Job First(SJF)
- Round Robin scheduling
- Priority based scheduling(Non-Preemptive)
Device Management
Buffering
Memory Management
File Management
Loading and Execution
Disk Management

Key Requirements:

Abstraction
Mechanisms
Policies

In Abstraction we have Process,thread,file,socket,memory.

In Mechanisms we have create,write,schedule,open,allocate.

In Policies we have Least Recently Used (LRU), Earliest deadline first (EDF)

venereology answered 7 months ago

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