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Software Categories Figure 3-1.

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Presentation on theme: "Software Categories Figure 3-1."— Presentation transcript:

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

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