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Introduction to Computers

May 14, 2015



This presentation is part of the Introduction to Computers class for students are just beginning to learn how to use a computer.

  • 1.Introduction to Computers
    Part I: Parts & Smarts

2. A Computer Is
A machine that takes in data and instructions (input)
Works with the data (processing)
Gives the processed information back to the user (output).
3. Hardware
Physical parts of the computer you can actually touch.
Input and output devices.
Inner computer parts.
4. Input Devices
Devices that allow you to give information to a computer.
5. Output Devices
Devices that allow a computer to give information to the user.
6. Inner Computer Parts
Power Supply
Video Card
Hard Drive
7. Processing & Calculating
Temporary Memory
Permanent Storage
until it crashes!
8. Information Storage
Hard Drive
Permanent until it crashes.
Located inside computer tower.
Memory Stick
Temporary memory.
Located inside tower.
Portable, inserted into CD/DVD-ROM.
Information is written or burned to the disc.
Flash Drive
Portable, inserted into USB port.
About $15 for 8 GB.
9. Information Storage
700 floppy disks = 1 GB Flash Drive
10. Software
Often refers to a computer program.
You cannot physically touch software, but it allows you to use a computers hardware.
Enables you to tell a computer what to do.
Windows Operating System
Word processing programs like Microsoft Word.
Internet browsers
11. Operating Systems
Software that makes your hardware and programs run.
The background for all other programs to run on.
We are using Microsoft Windows XP.
12. The Desktop
When Windows is running, this is the first thing you will see.
Contains the icons and some blank space leftover.
Icons are pictures that represent programs or files on your computer.
13. The taskbar is a strip of buttons at the bottom of the desktop. Each button relates to tasks or windows you have open.
The Desktop
*Learn all about using Windows in the Using Windows class.*
14. Open up Microsoft Word so that we can start using our keyboards!
Keyboard Practice
Using the mouse, click once on the Word icon that looks like the one above. Then press the enter key on your keyboard (its to the right of the letters).