1. Software

2. Software or Programs A set of detailed directions telling the computer exactly what to do, one step at a time. Can be one line of code or several million lines

3. Two types of software Operating System Application

4. Application Software Written for a particular purpose Could be Word Processing Spreadsheet Game Photo Editor Etc.

5. Operating System Software Conducts the communication between hardware like video cards, sound cards and printers Sometimes comes with some basic application programs Paint Notepad Wordpad Solitaire Without this software, the computer can’t communicate or run any application software

6. Functions of an Operating System Monitors activities – System security and CPU usage Allocates resources – Flow control Manages disks and files

7. Different types of Operating Systems Windows MAC Others

8. System Requirements You must know what operating system you have before buying application software. They must be compatible. Look on the back of the case for the application software or read the instructions included before downloading to make sure they match.

9. System Requirements You must also know what hardware you have in the computer so that you will know whether it has enough space and memory to run the application program.

10. Windows OS 7 Desktop