Transcript Computer Concepts – Illustrated 8th edition

Computer Concepts – Illustrated
8th edition
Unit C: Computer Software
Objectives
Introduce computer software
Introduce operating systems
Compare operating systems
Define office productivity software
Define graphics software
Computer Concepts – Illustrated 8th Edition
2
Objectives (continued)
Define entertainment and education
software
Define business and science software
Understand utilities
Understand licenses and copyrights
Install and uninstall software
Computer Concepts – Illustrated 8th Edition
3
Introducing Computer Software
Software or computer programs
 Files that provide a computer with
instructions and data for carrying out a task
Two categories of software:
 System software: designed for computerspecific tasks
 Application software: helps you carry out
tasks using a computer
• Productivity software
• Groupware
Computer Concepts – Illustrated 8th Edition
4
Figure C-1: Software categories
Computer Concepts – Illustrated 8th Edition
5
Introducing Operating Systems
Operating system (OS)
 Manages a computer’s resources by
interacting with software and hardware
• Computer resources: CPU, RAM, storage
space, peripherals, etc.
Boot process: started when computer is
turned on
 Loads the operating system
Task Manager
 Displays a list of processes that are being
executed by the processor
Computer Concepts – Illustrated 8th Edition
6
Introducing Operating Systems
(continued)
Table C-2: Ways
you use an
operating system
Computer Concepts – Illustrated 8th Edition
7
Comparing Operating Systems
Three main operating systems for personal
computers: Windows, Mac OS, Linux
 Windows: developed by Microsoft
• Windows 7: latest version of Windows
 Mac OS: used on Apple Macintosh
computers
• Mac OS X (Snow Leopard): latest version
 Linux: developed by Linus Torvalds
• Available as a free download
You can run Windows OS on a Mac
computer if you have an Intel Mac
Computer Concepts – Illustrated 8th Edition
8
Figure C-5: The Windows 7 GUI
Computer Concepts – Illustrated 8th Edition
9
Figure C-7: Mac OS X GUI
Computer Concepts – Illustrated 8th Edition
10
Figure C-9: Linux operating system with Ubuntu
graphical desktop
Computer Concepts – Illustrated 8th Edition
11
Defining Office Productivity Software
Office productivity software
 Integrates word processing, spreadsheet,
database, drawing, presentation capabilities
Word processing software
 Used to produce documents
 Microsoft Word, OpenOffice Writer
Spreadsheet software
 For projects with repetitive calculations
 Microsoft Excel, OpenOffice Calc
 Worksheet: a grid of columns and rows
Computer Concepts – Illustrated 8th Edition
12
Defining Office Productivity Software
(continued)
Database software
 Provides tools needed to create a database
 Database
• A collection of data that is stored
electronically as a series of records in tables
 Microsoft Access, OpenOffice Base
Presentation software
 Provides all the tools needed to make a
series of electronic slides
 Microsoft PowerPoint, OpenOffice Impress
Computer Concepts – Illustrated 8th Edition
13
Figure C-13: A slide in a presentation
Computer Concepts – Illustrated 8th Edition
14
Defining Graphics Software
Graphics
 Picture, drawing, sketch, photograph,
image, or icon on screen or printed output
Graphics software
 Helps you create, display, modify,
manipulate, and print graphics
Paint software
 Used to create sophisticated images
Computer Concepts – Illustrated 8th Edition
15
Defining Graphics Software
(continued)
Drawing software
 Provides tools to create simple images
Photo editing software
 Includes features that help you improve the
quality of photos
Clip art: collection of graphic images
3D graphics software
 Provides a set of tools for creating wireframe models that represent threedimensional objects
Computer Concepts – Illustrated 8th Edition
16
Figure C-15: Photo editing software
Computer Concepts – Illustrated 8th Edition
17
Defining Entertainment and
Education Software
Computer games
 Entertainment Software Rating Board
(ESRB) ratings
Music CDs
 Can be created using a CD ripper software
MP3 player and MP3 files
 Convert music from other formats into a
format for digital music players
 Save a file as an MP3 file
Computer Concepts – Illustrated 8th Edition
18
Defining Entertainment and
Education Software (continued)
Audio editing software
 Used to make digital voice and music
recordings
To edit video and create DVDs:
 Video editing software
 DVD authoring software
Educational software
 Used to learn and practice new skills
Computer Concepts – Illustrated 8th Edition
19
Figure C-19: Burning an audio CD
Computer Concepts – Illustrated 8th Edition
20
Defining Business and Science
Software
Project management software
 An important tool for planning and managing
large or small projects
Accounting software and finance
software
 Used to keep a record of monetary
transactions and investments
Mathematical modeling software
 Provides tools for solving a wide range of
math, science, and engineering problems
Computer Concepts – Illustrated 8th Edition
21
Figure C-22: Project management software
Computer Concepts – Illustrated 8th Edition
22
Defining Business and Science
Software (continued)
Statistical software
 Used to analyze large sets of data in order
to discover relationships and patterns
Internet software solutions
 Can be used directly from the Internet
Software suite
 A collection of application software sold as a
single package
Computer Concepts – Illustrated 8th Edition
23
Understanding Utilities
Utility software (or utilities)
 A type of system software, designed to
perform a specialized task
 Many utilities come with operating system
• Some of these run in the background
 Third-party utilities
 Compression utility
 Security utilities
 Document reader utility
 Device driver
 Desktop widget
Computer Concepts – Illustrated 8th Edition
24
Figure C-29: Desktop widgets
Computer Concepts – Illustrated 8th Edition
25
Understanding Licenses and
Copyrights
Software license or license agreement
 Legal contract that defines the ways in
which you may use a computer program
Categories of software:
 Public domain software
 Proprietary software
EULA (end-user license agreement)
 Displayed on the screen during installation
Shrink-wrap license: goes into effect as
soon as you open the packaging
Computer Concepts – Illustrated 8th Edition
26
Understanding Licenses and
Copyrights (continued)
Types of software licenses:
 Single-user license
 Site license
 Multiple-user license
 Concurrent-use license
In most countries, computer software is
protected by copyright
Intellectual property
 Ownership of certain types of information,
ideas, or representations
Computer Concepts – Illustrated 8th Edition
27
Installing and Uninstalling Software
Before installing software, check its system
requirements
Installation process
 Setup program guides you through the
installation process
Activation
 Required by many software publishers
Updates: patches, service packs, and
software upgrades
Uninstall program: to remove software
Computer Concepts – Illustrated 8th Edition
28
Talking Points: What Are the
Consequences of Software Piracy?
Software piracy is easy to do but illegal
Software piracy takes many forms
 Counterfeiting
• Large-scale illegal duplication of software
and sometimes even its packaging
 Internet piracy
• Uses the Web to distribute unauthorized
software illegally
 Software piracy
• Has a negative effect on the economy
• Negatively affects customer service
Computer Concepts – Illustrated 8th Edition
29
Summary
This chapter introduced:
 System software and application software
 Types of software available for creating and
editing graphics, video, and music
 Types of software used for education and
reference, entertainment, and business
 Utility software
 Software copyrights and licenses
 Installing software and uninstalling software
Computer Concepts – Illustrated 8th Edition
30