Computer System

1. Define

1.1. A complete working computer

1.2. includes operating system , software and hardware to make computer function

2. Software

2.1. Define

2.1.1. Series of instruction that tells a computer what task to perform and how to perform them.

2.2. Types

2.2.1. System Software

2.2.1.1. control operation of computer

2.2.2. Application Software

2.2.2.1. assist users with personal task

2.3. Designed

2.3.1. Open Source Software

2.3.2. Proprietary Software