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McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 1 1 C H A P T E R INFORMATION TECHNOLOGY, THE INTERNET, AND YOU

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Transcript of McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11...

Page 1: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved.

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INFORMATION TECHNOLOGY, THE INTERNET,

AND YOU

Page 2: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

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Competencies (Page 1 of 2)

Explain the five parts of an information system.

Distinguish between system and application software.

Discuss the three kinds of system software programs.

Distinguish between basic and specialized application software.

Identify the four types of computers and microcomputers.

Page 2

Page 3: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

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Competencies (Page 2 of 2)

Describe the different types of hardware.

Define data and describe files.

Explain connectivity, the wireless revolution, and the Internet.

Page 2

Page 4: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

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Five Parts of an Information System

1. People

2. Procedures

3. Software

4. Hardware

5. Data

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Page 5: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

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People

Most important part of any system

Contact is …Direct

Indirect

Computer usesBusiness & Entertainment

Education & Medicine

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Software

Programs

Two major kinds of softwareSystem Software

Application Software

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System Software

A collection of programs

Enables the application software to interact with the hardware

Background software that helps the computer manage its own resources

Return

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“End-user” software

Two major categoriesGeneral purpose

Special purpose

Application Software

Return

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Hardware

Equipment that processes the data

Controlled by software

Physical devicesKeyboard

Mouse

Monitor

Other devices

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Types of Computers

Supercomputers

Mainframe computers

Minicomputers

Microcomputers

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High capacity

Used by very large organizationsTracking space

Tracking weather

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Supercomputers

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Mainframe Computers

Occupies specially wired, air-conditioned rooms

Capable of great processing speeds and data storage

Not as powerful as supercomputers

Return

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Minicomputers

Known as midrange computers

Used by medium-size companies

Used by departments of large companies

Return

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Microcomputers

Least powerful

Widely used

Four types of Microcomputers

Return

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Four Types of Microcomputers

Desktop

Notebook or laptop

Tablet PC

Handheld

Desktop Notebook

Tablet PCHandheld

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Desktop Computers

Are small enough to fit on top of or alongside a desk yet are too big to carry around

Return

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Notebook or Laptop Computers

Notebook, also known as laptop computers, are portable, lightweight, and fit into most briefcases

Return

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Tablet PC

Is a type of notebook computer that accepts your handwriting. This input is digitized and converted to standard text that can be further processed by programs such as a word processor.

Return

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Handheld

Are the smallest and are also known as palm computers. These systems typically combine pen input, writing recognition, personal organizational tools, and communications capabilities.

Return

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Microcomputer Hardware

System unit

Input/output devices

Secondary storage

Communications

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Data

Raw, unprocessed facts

Processing creates information

Stored electronically in filesDocument files

Worksheet files

Database files

Presentation files

Presentation

Database

Worksheet

Document

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Document Files

Created by word processors to save documents such as memos, term papers, and letters

Return

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Worksheet Files

Created by electronic spreadsheets to analyze things like budgets and to predict sales

Return

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Page 24: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

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Database Files

Typically created by database management programs to contain highly structured and organized data

Return

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Page 25: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

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Presentation Files

Created by presentation graphics programs to save presentation materials. For example, a file might contain audience handouts, speaker notes, and electronic slides.

Return

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Page 26: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

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Connectivity, the Wireless Revolution, and the Internet

ConnectivitySharing of information

Wireless communication is becoming popular

Computer networksConnected communication system of computers

Largest network is the Internet

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Page 27: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

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Knowledge Foundation

Being Computer Competent means using and understanding Information Technology (IT)

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Page 28: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

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Some Important IT Developments

The Internet & the Web

Powerful software & hardware

Privacy & security

Organizations

Changing Times

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Page 29: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

CE06_PP01-29

Discussion Questions (Page 1 of 2)

Explain the five parts of an information system. What part do people play in this system?

What is system software? What kinds of programs are included in system software?

Define and compare basic and specialized application software. Describe some different types of basic applications. Describe some types of specialized applications.

Page 24

Page 30: McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.

CE06_PP01-30

Describe the different types of computers. What is the most common type? What are the types of microcomputers?

What is connectivity? How are the wireless revolution and connectivity related? What is a computer network? What is the Internet? What is the Web?

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Discussion Questions (Page 2 of 2)


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