Chapter 9 : Operating System

Operating System

- set of programs containing instructions that work together to coordinate all the activities among computer and mobile device hardware

Starting Computers and Mobile Devices

If a computer or mobile device is off, you press a power button to turn it on.

User Interface (UI)

controls how you enter data and instructions and how information is displayed on the screen

Manage programs

Single tasking and multitasking

Foreground and background

Single user and multiuser

Manage memory

A driver is a small program that tells the operating system how to communicate with a specific device

Establish an Internet connection

Provide file management and other device or media-related tasks

File manager, Search, Image Viewer, Uninstaller, Screen Saver, File Compression, PC Maintenance

Automatic update

Provides new features or corrections to the program

TYPES OF OPERATING SYSTEMS

- Desktop

- Server

- Mobile

Dekstop Operating System

• complete operating system that works on desktops, laptops, and some tablets (Windows, Mac OS, UNIX, Linux)

Server Operating System

• Windows Server, OS X Server, UNIX, Linux

Mobile Operating System 

• Operating system on mobile devices and many consumer electronics