An operating system acts as an interface between the user and computer hardware, managing resources like the processor, RAM, storage, and peripherals. It provides a graphical user interface to allow users to point and click icons and windows on screen. Operating systems can be single-user and found on devices like PCs, servers, and mainframes stored on a hard disk, or multi-user and network operating systems that allow file sharing and multitasking between multiple users on a network. Common examples are Windows, Mac OS, Linux, and IBM's OS/360.

1. OPERATING
SYSTEM (os)
OVERVIEW
- Group 1

2. Operating System
is a program that acts as an interface
between the user and the computer
hardware.
It interacts with application software, device
drivers, and hardware to manage a
computer’s resources.
Examples of Computer Resources:
• Processor
• RAM
• Storage Space
• Peripherals

3. • Processor- a small
hardware that can be
found on the
motherboard.
• Storage Space- refers
to the space in the
memory. Often called
“memory space”
• RAM- a hardware
memory device that
holds temporary data
files from hard drive.
• Peripherals- the
portable device that
helps the system unit
to perform better.

4.  How does operating system affect the
appearance of application software?
Provides user interface tools

5. Operating System’s location
 PDA/ Handheld
computers, video
game consoles,
Tablet PC’s,
smartphones
- found or stored in
ROM (Read Only
Memory) of the device
 Personal
computers, Servers,
Mainframe,
Supercomputers,
and workstations
-stored in the hard
disk of the device

6.  Uses Graphical User Interface
(GUI) concept
• Provides a way to point and click a mouse
to select menu options and manipulate
graphical objects that are displayed on the
screen.

7. Direct Interaction with the OS:
• Launch programs
Example*
- Launching the program MS Excel
2010

8. • Customize the user interface
Example* Customizing the Ribbon

9. • Configure Equipment
Example* Configuring an equipment in AutoCAD

10. • Get help
Example* Accessing the MS
PowerPoint Help Button

11. • Manage Files
Example* Managing files> Videos

12. • Single-user Operating System
- deals with one set of input devices
• Examples:
o Windows Vista
o Windows 7
o Linux
o Mac OS X Leopard.
Types of OS:
Windows
Vista
Windows 7
Linux Mac OS
Leopard

13. • Multi-user Operating System
- deals with input, output, and processing
requests from many users
Examples:
o Windows Server 2012 **
Windows Server 2008 R2
Windows MultiPoint Server 2012 **
Windows MultiPoint Server 2011
Windows Server 2012
Windows Multipoint
2012

14. • Network Operating System
- Provides communications and
routing services that allow computers to
share data, programs, and peripheral
devices.
MS Windows NT IBM OS/ 2 LAN Server

15. • Multitasking Operating System
- Provides process and memory
management services that permit two or
more programs to run simultaneously.
Examples:
Microsoft Windows 2000
IBM's OS/360
Linux
Windows 2000 IBM OS/360

16. • Desktop Operating System
– Designed for a personal computer, either a
desktop or notebook computer
– Designed to accommodate a single user, may
also provide networking and multitasking
capabilities
Examples:
– MS Windows
– Mac OS
Mac OS Windows 8

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