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INFORMATION TECHNOLOGY, THE INTERNET, AND YOU

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... the computer how to process data into the form you want Two major kinds of software System Not a single program A collection of programs Operating systems ... – PowerPoint PPT presentation

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Title: INFORMATION TECHNOLOGY, THE INTERNET, AND YOU


1
1
CHAPTER
INFORMATION TECHNOLOGY, THE INTERNET, AND YOU
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
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
4
Five Parts of an Information System
  1. People
  2. Procedures
  3. Software
  1. Hardware
  2. Data

Page 4
5
People
  • Most important part of any system
  • Contact is
  • Direct
  • Indirect
  • Computer uses
  • Business Entertainment
  • Education Medicine

Page 6
6
Software
  • Programs
  • Two major kinds of software
  • System Software
  • Application Software

Page 9
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
8
Application Software
  • End-user software
  • Two major categories
  • General purpose
  • Special purpose

Return
Page 9
9
Hardware
  • Equipment that processes the data
  • Controlled by software
  • Physical devices
  • Keyboard
  • Mouse
  • Monitor
  • Other devices

Page 11
10
Types of Computers
  • Supercomputers
  • Mainframe computers
  • Minicomputers
  • Microcomputers

Page 11
11
Supercomputers
  • High capacity
  • Used by very large organizations
  • Tracking space
  • Tracking weather

Return
Page 11
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
13
Minicomputers
  • Known as midrange computers
  • Used by medium-size companies
  • Used by departments of large companies

Return
Page 11
14
Microcomputers
  • Least powerful
  • Widely used
  • Four types of Microcomputers

Return
Page 11
15
Four Types of Microcomputers
  • Desktop
  • Notebook or laptop
  • Tablet PC
  • Handheld

Page 11
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
17
Notebook or Laptop Computers
  • Notebook, also known as laptop computers, are
    portable, lightweight, and fit into most
    briefcases

Return
Page 11
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
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
20
Microcomputer Hardware
  • System unit
  • Input/output devices
  • Secondary storage
  • Communications

Page 11
21
Data
  • Raw, unprocessed facts
  • Processing creates information
  • Stored electronically in files
  • Document files
  • Worksheet files
  • Database files
  • Presentation files

Page 15
22
Document Files
  • Created by word processors to save documents such
    as memos, term papers, and letters

Return
Page 15
23
Worksheet Files
  • Created by electronic spreadsheets to analyze
    things like budgets and to predict sales

Return
Page 15
24
Database Files
  • Typically created by database management programs
    to contain highly structured and organized data

Return
Page 15
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
26
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

Page 16
27
Knowledge Foundation
  • Being Computer Competent means using and
    understanding Information Technology (IT)

Page 17
28
Some Important IT Developments
  • The Internet the Web
  • Powerful software hardware
  • Privacy security
  • Organizations
  • Changing Times

Page 17
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
30
Discussion Questions (Page 2 of 2)
  • 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
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