1. 2.00 Understand Computer Fundamentals.
Unit Objective:
2.02

2. Computer Workstation

3. 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

4. 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

5. 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

6. 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

7. 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