Helen M. Plum Memorial Library Computer Classes for Beginners Basic Mouse Skills
Bits and Bytes A = 1 0 0 0 0100 =B 0 1 0 0 0 010 C = 1 1 0 0 0100
8 bits=1 byte
The word PLUM is 4 bytes long. A floppy is 1.44MB A CD-ROM is 650MB
1 =O N 0 =O F F
K(Kilo)=1024 bytes MB(Mega)=1,048,576 bytes GB(Giga)=1,073,741,824 bytes
A DVD is 2.6GB
e l g n i s a s i e t y b A ! r e t c chara
CPU Central Processing Unit Intel or AMD Microprocessor Memory Hard Drive
“The brains of the computer.”
Monitor The monitor is the main display device for the CPU. It displays the VGA signals that it receives.
Ethernet Ethernet allows two or more computers or devices to connect and share information. Common uses include: LAN (Local Area Network) DSL Modem – High Speed Internet Cable Modem – High Speed Internet
Internet The Internet is a world wide network of computers connected in various ways:
Common uses: Web Sites
Modems
Email
Routers
Data Interchange
Fiber Optics Satellites
Voice over IP Sound Video
Boot When you start or restart a computer you are booting the CPU. Cold Boot – Powering the CPU on. Warm Boot – Restarting the computer by the reset button, “CtrlAlt-Del,” or “Shutdown – Restart.”
Shutdown It is vital to the safety of the computer that the system be shutdown properly. Please remember not to just push the power switch when finished using the computer.
DO A “START – SHUTDOWN.”
Mouse Terms and Techniques Point Click Double Click Right Click Scroll Drag Drop Highlight
Windows Terms and Techniques Icons
Menu Bar
Buttons
Tool Bar
Desktop
Status Bar
Title Bar
Start Menu
Minimize
Task Bar
Maximize
Quick Launch
Close
Laboratory
Let’s begin by booting the CPU…