1. The differences between Operating System, Applications and Documents
What is Operating System?
Operating System – The most important program that runs on a computer.
Operating systems provide a software platform on top of which other programs, called application programs can run. Example, Windows NT, Windows 98, Windows XP
Bill Gates – founder of Microsoft and former president and CEO of the company. Microsoft started in 1975

2. What is an Application?
A program or group of programs designed for end users. Applications include database programs, word processors and spreadsheet.
Applications are unable to run without the operating system.

3. What is a Document?
Files that are created using applications.
An example of a document would be a letter you write with Microsoft Word, a spreadsheet you use with Microsoft Excel, etc

4. An encyclopedia of computer terms can be found on the Internet at:
Modem Printer
Keyboard Monitor
Mouse Hard disk
Floppy disk Port
CD-ROM Expansion board