Operating System

1. 🞂 RAJPAR 001

3. 🞂 Operating system.
🞂 Functions and components of OS.
🞂 Types of OS.
🞂 Process and a program.

4. 🞂 An operating system
(OS) is a collection of
that manages
hardware
and provides
software
computer
resources
common services for
computer programs. The
operating system is a
system software in
vital component of the
a
computer
Application
system.
programs
require an
system to
usually
operating
function.

5. 🞇 Providing a user interface
🞇 Running applications
🞇 Support for built in utility
programs.
🞇 Control to the computer
hardware

6. 🞇 Process Management
🞇 Memory management
🞇 I/O Device
management
🞇 Network management
🞇 Network services
🞇 User Interface

7. 🞂 Single user, Single
Task
🞂 Single user, Multi-
tasking
🞂 Multi user, Multi-
tasking.

8. 🞂 Command line interface
🞂 Graphical user interface

11. Single user multi-tasking os allows user to perform one or
more than one task at same time
Commonly os are
MS windows
Apples macintosh
Single User Multi-tasking

12. 🞂 Microsoft Windows:
🞂 Windows is a series of operating systems
developed by Microsoft. Each version of Windows
includes a graphical user interface, with a desktop
that allows users to view files and folders in
windows. For the past two decades, Windows has
been the most widely used operating system for
personal computers PCs.

13. 🞂 MacOS X:
🞂 OS X is version 10 of the Apple Macintosh
operating system. OS X was described by
Apple as its first “complete revision” of the
OS since the previous version is OS 9, with a
focus on modularity so that future changes
would be easier to incorporate.
🞂 Written in c++ .c .objective -c

16. 🞂 This type of operating system only has to
deal with one person at a time, running one
user application at a time.
🞂 An example of a this kind of operating
system would be found on a mobile phone.
There can only be one user using the mobile
and that person is only using one of its
applications at a time.

18. 🞂 Reliable.
🞂 Operational at all times.
🞂 Should coordinate and have good control of
input and output operations and the devices
on which they are performed.

19. 🞂 Computers
🞂 Mobile phones
🞂 3d televisions
🞂 Video game
🞂 ATM

20. 🞂 Easy to use
🞂 User friendly
🞂 Intermediate between all hardware's and
software's of the system
🞂 No need to know any technical languages
🞂 Its the platform of all programs

21. 🞂 If any problems affected in OS, you may lose
all the contents which have been stored
already
🞂 Unwanted user can use your own system