| A | B |
|---|
| Hardware | The physical part of the computer system. |
| Software | The logical part of the computer system |
| Personal Computers | A computer small enough to fit on a desktop or inside a briefcase. |
| Desktop | A computer designed to sit on top of your desk. |
| Notebook | A computer designed to be light enough to carry with you. |
| Handheld | Computers that are very small and light and can easily fit into a purse or pocket. |
| Peripherals | Hardware components outside the system unit. |
| System Unit | The box that holds the most fundamental components of the computer. |
| Random Access Memory | Temporary memory that stores data as it is processed. |
| Microprocessor | Pentium 4 is an example of a popular microprossor found on many desktop computers. |
| Megabytes | How the system RAM in your computer is measured. |
| Video Monitor | Similar4 to television sets, but contain more sophisticated and precise circuitry. |
| Video controller | This is an expansion card inside the computer's system unit that sends signals to the monitor. |
| Video driver | This is software that tells windows how to work effectively with the video controller card and monitor. |
| Resolution | The number of pixels that the monitor can display. |
| Pixels | A computer screen display that is made up of hundreds of thousands of individual dots of light. |
| Internal modem | An expansion card that you plug into an expansion slot inside the system unit. |
| External modem | A peripheral device that sits on your desk and plugs into the back of your compter with a serial cable. |
| Cable modem | Allows you to access the Internet at speeds up to 35 times faster than standard phone modems. |
| DSL (digital Subscriber Line | Modem that offers data speeds up to 50 times faster than a telephone modem. |
