1. Software Categories
Figure 3-1

2. Application Software
Productivity software can be defined as any type of application software that has the potential to help people do their work more efficiently
Groupware software is designed to help several people collaborate on a single project using local networks or Internet connections
Figure 3-2

3. Utility Software
Utility software (a type of system software) is designed to help you monitor and configure settings for your computer system equipment, the operating system, or application software
A desktop widget is a specialized utility program that appears on a computer’s screen-based desktop
Figures 3-3 and 3-5

4. Device Drivers
A device driver is software that helps a peripheral device establish communication with a computer
Windows Device Manager
Figure 3-6

5. Popular Applications Document Production Software Spreadsheet Software
“Number Crunching” Software
Database Software
Graphics Software
Music Software
Video Editing and DVD Authoring Software
Educational and Reference Software
Entertainment Software
Business Software

6. “Number Crunching” Software
Provides a structured environment dedicated to a particular number crunching task
Statistical software
Mathematical modeling software
Money management software
Personal finance software
Tax preparation software
Figure 3-16

7. Database Software A database is a collection of data
Database software helps you enter, find, organize, update, and report information stored in a database
Figure 3-17

8. Database Software
Database software provides tools for specifying fields for a series of records.
Figure 3-19

9. Database Software
A query language such as SQL (Structured Query Language) provides a set of commands for locating and manipulating data
Natural language query
Query by example
Figure 3-20

10. Graphics Software
Designed to help you create, manipulate, and print graphics
Paint software
Photo editing software
Drawing software
3-D graphics software
CAD software
Presentation software
Figure 3-21 and 3-22

11. Graphics Software
A computer-based presentation consists of a series of slides, created with presentation software.
Figure 3-23

12. Music Software
Allows you to make your own digital voice and music recordings
Audio editing software
CD ripper software
Audio encoding software
Ear training software
Notation software
Computer-aided music software
MIDI sequencing software
Figure 3-24

13. Video Editing and DVD Authoring Software
Provides a set of tools for
Transferring video footage from a camcorder to a computer
Clipping out unwanted footage
Assembling video segments
Adding special visual effects
Adding a sound track
DVD authoring software creates DVDs with Hollywood-style menus
Figure 3-25

14. Educational and Reference Software
Educational software
Helps you learn and practice new skills
Reference software
Provides a collection of information and a way to access that information
Generally shipped on CD or DVD, or accessed on the Web

15. Entertainment Software
Computer games are the most popular type of entertainment software
Role-playing
Action
Adventure
Puzzle
Simulation
Sports
Strategy

16. Business Software
Vertical market software is designed to automate specialized tasks in a specific market or business
Horizontal market software is generic software that just about any type of business can use
Payroll software
Accounting software
Project management software

17. Consumer Basics
Most operating systems include a handful of small applications and a good variety of useful utility software
Figure 3-27

18. Consumer Basics
A software suite is a collection of application software sold as a single package
Figure 3-28

19. Consumer Basics Available in many types of stores
Software contained on distribution media
Make sure your computer meets the system requirements
Figure 3-29

20. Software Copyrights and Licenses
A copyright is a form of legal protection that grants the author of an original “work” exclusive rights
Copyright notice
Software licenses, also called license agreements, define the ways in which you may use a computer program
Single-user
Site
Multiple-user
Concurrent
Shrink-wrap
Figure 3-31

21. Software Copyrights and Licenses
EULA (End-User License Agreement)
Different types of software licenses
Public domain
Proprietary
Commercial software
Demoware
Shareware
Freeware
Open source
BSD
GPL

22. Security Software Basics
Security software is designed to protect computers from various forms of destructive software and unauthorized intrusions
The terms malicious software and malware refer to any computer program designed to surreptitiously enter a computer, gain unauthorized access to data, or disrupt normal processing operations
A blended threat describes malware that combines more than one type of malicious program

23. Security Software Basics
Computer virus
Computer worm
Mass-mailing worm
Trojan horse
Keylogger
Remote Access Trojan (RAT)
Bot
Zombie
Botnet
Spyware

24. Security Software Basics
What does malware do?

25. Security Software Basics
The term rootkit refers to software tools used to conceal malware and backdoors that have been installed on a victim’s computer
A virus hoax usually arrives as an message containing dire warnings about a supposedly new virus on the loose

26. Antivirus Modules
Antivirus software is a type of utility software that looks for and eradicates viruses, Trojan horses, worms, and bots
A virus signature is a section of program code, such as a unique series of instructions, that can be used to identify a known malicious program, much as a fingerprint is used to identify an individual
Virus signatures and other information that antivirus software uses to identify and eradicate malware is stored in one or more files usually referred to as virus definitions

27. Antivirus Modules

28. Antivirus Modules
Most experts recommend that you configure your antivirus software to periodically scan all the files on your computer
If, during the scanning process, your virus protection software identifies a virus, worm, Trojan horse, or bot in a file or attachment, it can try to remove the infection, put the file into quarantine, or simply delete the file