Journal 2 - Introduction to Computer Application (Chapter 2)

Operating System
Definition
-master control program in system
computer.
-small "boot program" load the operating
system.

Function
-user interface
-job management
-data management
-task management

Windows for OS
-Develop and maintained by Microsoft
-The Macintosh and Linux Oses,allow people to
manage files and run software programs on desktop and laptops.

Windows Versions
-Windows 98
-Windows 2000
-Windows XP
-Windows Vista
-Windows 7