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OPERATING SYSTEM

TYPES OF OPERATING SYSTEM

Operating Systems

The operating system is the most important

program

that runs on a computer.

Operating system is an interface between

computer and user.

It is responsible for the management and

coordination of activities and the sharing of the

resources of the computer.

Types of Operating System

Real-time

Multi-user vs. Single-user

Multi-tasking vs. Single-

tasking

Distributed

Embedded

Types of Operating System

Real-Time

A real-time operating system is a multitasking

operating system that aims at executing real-time

applications.

Responds to input instantly.

Types of Operating System

Multi-tasking vs. Single-tasking

When a single program is allowed to run at a

time, the system is grouped under a single-

tasking system 

While in case the operating

system execution of multiple

tasks at one

allows

the

time, it

is

classified as a multi-tasking operating

system.

Types of Operating System

Distributed

A distributed operating system manages a group

of independent computers and makes them

appear to be a single computer.

The development of networked computers that

could be linked and communicate with each

other, gave rise to distributed computing.

Major Functions of Operating System

Resource management

Data management

Job management

Standard means of communication

between User

and Computer

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