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
McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved. 11 CHAPTER INFORMATION TECHNOLOGY, THE INTERNET, AND YOU.
Dec 13, 2015
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McGraw-Hill Technology Education © 2006 by the McGraw-Hill Companies, Inc. All rights reserved.
1111CH
AP
TE
R
INFORMATION TECHNOLOGY, THE INTERNET,
AND YOU
CE06_PP01-2
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
CE06_PP01-3
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
CE06_PP01-4
Five Parts of an Information System
1. People
2. Procedures
3. Software
4. Hardware
5. Data
Page 4
CE06_PP01-5
People
Most important part of any system
Contact is …Direct
Indirect
Computer usesBusiness & Entertainment
Education & Medicine
Page 6
CE06_PP01-6
Software
Programs
Two major kinds of softwareSystem Software
Application Software
Page 9
CE06_PP01-7
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
Page 9
CE06_PP01-8
“End-user” software
Two major categoriesGeneral purpose
Special purpose
Application Software
Return
Page 9
CE06_PP01-9
Hardware
Equipment that processes the data
Controlled by software
Physical devicesKeyboard
Mouse
Monitor
Other devices
Page 11
CE06_PP01-10
Types of Computers
Supercomputers
Mainframe computers
Minicomputers
Microcomputers
Page 11
CE06_PP01-11
High capacity
Used by very large organizationsTracking space
Tracking weather
Return
Supercomputers
Page 11
CE06_PP01-12
Mainframe Computers
Occupies specially wired, air-conditioned rooms
Capable of great processing speeds and data storage
Not as powerful as supercomputers
Return
Page 11
CE06_PP01-13
Minicomputers
Known as midrange computers
Used by medium-size companies
Used by departments of large companies
Return
Page 11
CE06_PP01-14
Microcomputers
Least powerful
Widely used
Four types of Microcomputers
Return
Page 11
CE06_PP01-15
Four Types of Microcomputers
Desktop
Notebook or laptop
Tablet PC
Handheld
Desktop Notebook
Tablet PCHandheld
Page 11
CE06_PP01-16
Desktop Computers
Are small enough to fit on top of or alongside a desk yet are too big to carry around
Return
Page 11
CE06_PP01-17
Notebook or Laptop Computers
Notebook, also known as laptop computers, are portable, lightweight, and fit into most briefcases
Return
Page 11
CE06_PP01-18
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
Page 11
CE06_PP01-19
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
Page 11
CE06_PP01-20
Microcomputer Hardware
System unit
Input/output devices
Secondary storage
Communications
Page 11
CE06_PP01-21
Data
Raw, unprocessed facts
Processing creates information
Stored electronically in filesDocument files
Worksheet files
Database files
Presentation files
Presentation
Database
Worksheet
Document
Page 15
CE06_PP01-22
Document Files
Created by word processors to save documents such as memos, term papers, and letters
Return
Page 15
CE06_PP01-23
Worksheet Files
Created by electronic spreadsheets to analyze things like budgets and to predict sales
Return
Page 15
CE06_PP01-24
Database Files
Typically created by database management programs to contain highly structured and organized data
Return
Page 15
CE06_PP01-25
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
Page 15
CE06_PP01-26
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
Page 16
CE06_PP01-27
Knowledge Foundation
Being Computer Competent means using and understanding Information Technology (IT)
Page 17
CE06_PP01-28
Some Important IT Developments
The Internet & the Web
Powerful software & hardware
Privacy & security
Organizations
Changing Times
Page 17
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
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?
Page 24
Discussion Questions (Page 2 of 2)
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