2.00 Understand Computer Fundamentals. Unit Objective: 2.02

Computer Workstation

Maintain Your Computer System Read your manual before operating your computer Make sure all plug-ins are secure at all times Keep the surrounding area dirt and dust free Keep gum, food, and liquids away from the keyboard Do not stick pens or pencils into the drives on the CPU Keep your fingers and hands free of oily products, like lotion, and some hair products Clean the monitor with electronic wipes and do not touch it with your fingers

What Are Peripherals? A peripheral device is one that is attached to a computer in order to expand its ability to perform more tasks Are generally external Some of the more common devices are printers, disk drives, scanners, microphones, speakers, and cameras The devices can be input and output devices Some input devices are: mouse, joystick, keyboard Some output devices are: monitor, projector, speakers Some devices function as input and output are: media card readers, digital camcorders, digital mixers, and touch screens

Peripheral Devices Printer: provides a hard copy of a document Digital Pen: captures and saves handwriting to the computer as you write on special digital paper. Scanner: allows the user to computer to make copies of photos and other documents Tablet: small, light pc’s that function like portable writing tablets

Peripheral Devices (Cont’d.) Joystick: a handheld device that is often used with games Headset: designed to fit around the head to listen to spoken or recorded sounds. Digital Camera: captures and stores still images as digital data

Types of Printers Inkjet Better quality of printed document Laser Uses ink cartridge Less expensive than laser Dot Matrix Uses a pattern of dots to form images on paper Less expensive and images not as clear Laser Best quality of printed document Uses laser beam and toner to produce images Most expensive Quick