3629192-Chapter-1Information-Technology-the-Internet-and-You pptx

McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved.
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1
C
H
A
P
T
E
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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
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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
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Five Parts of an Information System
1. People
2. Procedures
3. Software
4. Hardware
5. Data
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People
Most important part of any system
Contact is …
Direct
Indirect
Computer uses
Business & Entertainment
Education & Medicine
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Software
Programs
Two major kinds of software
System Software
Application Software
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Hardware
Equipment that processes the data

Controlled by software
Physical devices
Keyboard
Mouse
Monitor
Other devices
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Types of Computers
Supercomputers
Mainframe computers
Minicomputers
Microcomputers
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Four Types of Microcomputers
Desktop
Notebook or laptop
Tablet PC
Handheld
Desktop Notebook
Tablet PCHandheld
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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 files
Document files
Worksheet files
Database files
Presentation files
 Presentation
 Database
 Worksheet
 Document
Page 15
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Connectivity, the Wireless
Revolution, and the Internet
Connectivity
Sharing of information
Wireless communication is becoming popular
Computer networks
Connected communication system of computers
Largest network is the Internet
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Knowledge Foundation
Being Computer Competent means using and
understanding Information Technology (IT)
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Some Important IT Developments
The Internet & the Web
Powerful software & hardware
Privacy & security
Organizations
Changing Times
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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
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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?
Page 24
Discussion Questions (Page 2 of 2)