1. Introducing Software Computer Concepts Unit A

2. Introducing Software What is an Operating System? OS is the master controller for all the activities that take place within a computer system. It is a System Software because its primary purpose is to help the computer system monitor itself in order to function efficiently

3. Introducing Software What is a Computer Platform? Consists of the underlying hardware and software of the computer system Factors: – Processor – OS PC Platform>>> Windows Platform Macintosh Computers>>> Apple computer, Inc Linux OS>>> Windows OS

4. Introducing Software What is Windows Software? It is software designed to run on a PC platform. When you buy a software package, make sure that software designed to work with your computer platform.

5. Introducing Software How do I use operating System? – Starting programs – Locating (finding) data files. What is GUI stands for? – Graphical User Interface On-screen icons Menus Buttons Graphical controls

6. Windows GUI ThumbnailApplication Buttons Task bar Icon Notification area with icons Desktop Gadget Open Windows

7. Mac GUI

8. Linux GUI

9. Introducing Software My mobile phone has an Internet access. Does it use the same OS as my personal computer? – Phones and other handheld computers usually use a mobile version of an existing OS

10. Introducing Software How does the operating system help me do my work? – The operating system runs Application software on my computer. Application Programs are computer programs that help you use the computer to carry out tasks.

11. Application software Word Processing Software

12. Application software Personal Finance Software

13. Introducing Software If my computer runs Windows and my friend’s computer runs Mac OS X, can we share files? – You are able to share your files with your friend, as long as your friend has the same software installed on her computer