Software

Software is anything that tells the computer what to do.

There are 2 types of Software.

1. System Software - take control of the PC's start-up and play a central role by maintaining, managing, and controlling the computer resources
Ex. Operating System- controls all the input/output and processing activities, PC hardware and operation of the other programs
      EX. Windows, Linux, Solaris
            

Ex. Compiler- use to create software
      Ex. GNU C Compiler, JAVA C Compiler

2. Application Software
Ex. Word Processors, Spreadsheet Software, Photo Manipulation. Media Player. Entertainment. Browsers

What is a platform?
     It is a processor and an operating system
Can a specific platform of a software run on other platform?
     No
What should I consider before choosing a platform?

• Availability of appropriate commercial applications software for the platforms. 
• Compatibility of platform with existing hardware, software, and expertise

Example of a platform.
     Wintel platforms like Windows XP, Windows 7, Vista