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Introduction to Computers Part I: Parts & Smarts
14

Introduction to Computers

May 14, 2015

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Technology

This presentation is part of the Introduction to Computers class for students are just beginning to learn how to use a computer.
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Page 1: Introduction to Computers

Introduction to ComputersPart I: Parts & Smarts

Page 2: Introduction to Computers

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).

1960s 1980s Today

Page 3: Introduction to Computers

Hardware

• Physical parts of the computer you can actually touch.

• Input and output devices.

• Inner computer parts.

Page 4: Introduction to Computers

Input Devices

Devices that allow you to give information to a computer.

Page 5: Introduction to Computers

Output Devices

Devices that allow a computer to give information to the user.

Page 6: Introduction to Computers

Inner Computer Parts

Hard Drive

Chip

Memory

Video Card

Power Supply

CD/DVD ROM

Page 7: Introduction to Computers

Processing & Calculating

Temporary Memory

Permanent Storage

…until it crashes!

Page 8: Introduction to Computers

Information Storage• Hard Drive

– Permanent… until it crashes. – Located inside computer “tower.”

• Memory Stick– Temporary memory.– Located inside “tower.”

• CD/DVDs– 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.

Page 9: Introduction to Computers

Information Storage

700 floppy disks = 1 GB Flash Drive

Page 10: Introduction to Computers

Software• Often refers to a computer program.• You cannot physically touch software, but

it allows you to use a computer’s hardware.

• Enables you to tell a computer what to do. • Examples:– Windows Operating System– Games– Word processing programs like Microsoft

Word. – Internet browsers

Page 11: Introduction to Computers

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.

Page 12: Introduction to Computers

• 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.

The Desktop

Icons

Page 13: Introduction to Computers

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.*

Page 14: Introduction to Computers

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 (it’s to the right of the letters).