Computers, like
any other piece of electronic equipment, need special care and
attention in order to perform properly and safely. There are
several specialized tasks such as defragmenting, scanning and
reformatting that computer experts can do to keep the internal
system of a computer working well. However, we'll leave these tasks
to the experts for now and concentrate on some daily do's and
don'ts that any computer user should know.
When your computer is booted up and ready to use, the screen you see is called the desktop. It is the background for all programs and contains the commands needed for accessing those programs. Desktops vary from one operating system (OS) to another, and even vary somewhat from version to version of a particular OS. Whatever type of OS you use, it is very important to learn how to use the desktop correctly, since it is the base for all computer operations. The best place to learn about your particular OS is with the user manual or tutorial included with your computer.
In this lesson, we will look at the Windows desktop only, since Windows is one of the most common operating systems used today - particularly by students and educators. It would b
Now that you have a basic understanding of computer components and how they work, let's apply this knowledge to your own system. It is important to know your computer system's specifications so that you can purchase or download appropriate software programs.
When you are
shopping for computer software - in a virtual store or a real one -
it is important to check out the program's Minimum System
Requirements before making a purchase. They will help you to
determine whether or not the software is compatible with your
computer system. System Requirements wilComputer hard drives hold an enormous amount of data or information. It is very important that all of the data is well organized. That way it is easy for the computer to find what it is looking for. Knowing how a computer's organization system works will help you to find what you are looking for. Computers use files and folders to organize data.

Do you remember ROM (Read Only Memory) and RAM (Random Access Memory) from Lesson 2? ROM and RAM are very important to the OS. Part of a computer's operating system is built into ROM. That part contains t