Chapter 3
Computer Software
3 Chapter Contents
 Section A: Software Basics
 Section B: Popular Applications
 Section C: Buying Software
 Section D: Installing Software and Upgrades
 Section E: Security Software
Chapter 3: Computer Software
2
3
SECTION
A
Software Basics
 Software Categories
 Application Software
 Utility Software
 Device Drivers
Chapter 3: Computer Software
3
3 Software Categories
Chapter 3: Computer Software
4
3 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 is designed to
help several people
collaborate on a single
project using local networks
or Internet connections
Chapter 3: Computer Software
5
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
Chapter 3: Computer Software
6
3
SECTION
B
Popular Applications
 Document Production Software
 Spreadsheet Software
 “Number Crunching” Software
 Database Software
 Graphics Software
Chapter 3: Computer Software
7
3
SECTION
B
Popular Applications
 Music Software
 Video Editing and DVD Authoring Software
 Educational and Reference Software
 Entertainment Software
 Business Software
 Review Portable Applications
Chapter 3: Computer Software
8
3 Document Production
Software
 Assists you with composing, editing,
designing, printing, and electronically
publishing documents
– Word processing
– Desktop publishing
– Web authoring
Chapter 3: Computer Software
9
3 Document Production
Software
Chapter 3: Computer Software
10
3 Spreadsheet Software
 A spreadsheet uses rows
and columns of numbers to
create a model or
representation of a real
solution
 Spreadsheet software,
such as Microsoft Excel,
Google Sheet, or
OpenOffice Calc, provides
tools for creating
worksheets
Chapter 3: Computer Software
11
3 “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
Chapter 3: Computer Software
12
3 Database Software
 A database is a collection of data
– Database software helps you enter, find, organize,
update, and report information stored in a database
Chapter 3: Computer Software
13
3 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
Chapter 3: Computer Software
14
3 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
Chapter 3: Computer Software
15
3 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
Chapter 3: Computer Software
16
3 Entertainment Software
 Computer games are the most popular type of entertainment
software
– Role-playing
– Action
– Adventure
– Puzzle
– Simulation
– Sports
– Strategy
Chapter 3: Computer Software
17
3 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
Chapter 3: Computer Software
18
3
SECTION
C
Buying Software
 Consumer Basics
 Software Copyrights and Licenses
Chapter 3: Computer Software
19
3 Consumer Basics
 Most operating systems
include a handful of small
applications and a good
variety of useful utility
software
Chapter 3: Computer Software
20
3 Consumer Basics
 A software suite is a collection of application software sold
as a single package
Chapter 3: Computer Software
21
3 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 define the ways in which you may use a
computer program
– Single-user
– Site
– Multiple-user
– Concurrent
Chapter 3: Computer Software
22
3 Software Copyrights and
Licenses
 End-User License Agreement
 Different types of software licenses
– Public domain
– Proprietary
– Commercial software
– Demoware
– Shareware
– Freeware
– Open source
– BSD
– GPL
Chapter 3: Computer Software
23
3
SECTION
D
Installing Software and Upgrades
 Installation Basics
 Installing Local Applications
 Installing Portable Software and Web Apps
 Software Updates
 Uninstalling Software
Chapter 3: Computer Software
24
3 Installation Basics
 Software installation is a process that places a program into
a computer so that it can be run or executed
Chapter 3: Computer Software
25
3 Installing Portable Software
and Web Apps
 Portable software is designed to run from removable
storage, such as a CD or USB flash drive
– Installation is simply a matter of getting program files to
the media on which they are supposed to run
 A Web application is software that is accessed with a Web
browser
– May require client-side program to be installed
Chapter 3: Computer Software
26
3 Software Updates
 Software publishers regularly update their software
– Add new features
– Fix bugs
– Update security
 Software patches replace part of the software you currently
have installed
 Service packs correct problems and address security
vulnerabilities
Chapter 3: Computer Software
27
3
SECTION
E
Security Software
 Security Software Basics
 Security Suites
 Antivirus Modules
Chapter 3: Computer Software
28
3 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
Chapter 3: Computer Software
29
3 Security Software Basics
 Computer virus
 Computer worm
– Mass-mailing worm
 Trojan horse
– Keylogger
– Remote Access Trojan (RAT)
 Bot
– Zombie
– Botnet
 Spyware
Chapter 3: Computer Software
30
3 Security Software Basics
 What does malware do?
Chapter 3: Computer Software
31
3 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 e-mail message
containing dire warnings about a supposedly new virus on
the loose
Chapter 3: Computer Software
32
3 Security Suites
 A security suite integrates several security modules to
protect against the most common types of malware,
unauthorized access, and spam
 A security suite costs less than purchasing standalone
security modules
Chapter 3: Computer Software
33
3 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
Chapter 3: Computer Software
34
Chapter 3 Complete
Computer Software