What is Operating System in computer? Operating System

Introduction of Operating System

The operating system running on your computer is the most important program, it acts as an intermediary between the user and the computer hardware. An operating system computer consists of a set of system software programs that control how the system software program uses computer hardware and how the user controls the computer! Just like when we open a computer, it takes a little time to open, so the time it takes to open a little (which the presentation runs at that time) is the same operating system.

The working framework running on your PC is the main program, it goes about as a delegate between the client and the PC equipment. A working framework PC comprises of a bunch of framework programming programs that control how the framework programming program utilizes PC equipment and how the client controls the PC. Much the same as when we open a PC, it takes a little effort to open, so the time it takes to open a bit (which the introduction runs around then) is a similar working framework.

Kinds of Operating System - 

The working System is by and large partitioned into 4 sections dependent on its control and backing, which is as per the following- 

(1) Single User Single Task 
(2) Single User Multi Tasking 
(3) Multi User Multi Tasking 
(4) Real Time Operating system

Single user single task - 

Working system that permits one client on a PC and each errand in turn, is known as a solitary client single entrusting working system.

Single User Multi Tasking  - 

The working framework where a solitary client can do numerous errands immediately. for example, - an individual can do numerous undertakings at the same time composing, music, printing and so forth on his Windows based PC.

Multi User Multi Tasking - 

The working system that permits various clients and numerous assignments, all the while on a PC is called Multi client Multi entrusting Operate framework.

Real Time Operating system - 

The working framework which runs from some other machine or gadget is called constant working framework like - CT. Sweep Machine and Scientific Instruments and so forth .

Some file Extensions used in windows are given in the table below-

Extensions	File name
.txt	ANSI text file
.rtf	Rich text format
.html	HTML Internet file
.bmp	Bitmap graphic
.jpg/.jpeg	IPEG graphic
.wav	wav audio file
.avi	Audio video file
.zip	zip compressed archive
.xls/.xlsx	MS Excel file
.doc/.docx	MS Word file
.ppt/.pptx	MS PowerPoint

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