System Unit

The System Unit is the main part of a computer. There are many different electronical parts in the system unit that process information. The most important one is the central processing unit (CPU). Another part is the random access memory (RAM), which temporarily stores information while the computer is on. Other parts are the motherboard, cooling fans, memory modules, and disk drives.

The Modem

The Modem is the part of a computer that connects the computer to the internet. The modem sends and receives information of the computer over a high-speed cable or telephone line. With higher speed modems they are usually seperate from the computer and plugged in but sometimes the modem is built into the computer.

The Printer

A printer is a device that makes a hard copy of the documents on your computer. Most printers are attached to the computer by a printer caple, but for newer computers it is attached through a USB cable which is used for a document source. The two main types of printers are inkjet printers and laser printers.

The Monitor

The monitor is the part of the computer that displays the pages on the computer. The part of the monitor that displays it is called the screen. It is also where you will see your cursor move.

The Mouse

A mouse is used to move the cursor on the screen. You can also use it to scroll down the current page you are on with the wheel on the mouse. It is also used to click on items on the screen.

The Keyboard

A keyboard is a device used to type text into a computer. Like numbers, letters, and other keys. You can also use it for some of the things that the mouse does. You can scroll down the current page you are on using the arrow keys. The number pad on the keyboard allows you to type in numbers.