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Published by alemapjohns, 2017-01-18 10:44:24

Operating & Application Software

1 computer software

COMPUTER SOFTWARE

COMPUTER SOFTWARE

• Software, also called a program, tells the computer what tasks
to perform and how to perform them through a series of
instructions

• When a computer is purchased, it often has some software
preinstalled on its hard disk.

• To delete software completely, you must uninstall the program

System Software

•Operating system
•Utility program

Application Software

Pages 15 - 16 Discovering Computers 2012: Chapter 1 2
Figures 1-10 - 1-11

COMPUTER SOFTWARE

• Installing is the process of setting up software to work with the
computer, printer, and other hardware

Pages 16 - 17 Discovering Computers 2012: Chapter 1 3
Figure 1-12

COMPUTER SOFTWARE

• A programmer develops
software or writes the
instructions that direct
the computer to
process data into
information

Page 18 Discovering Computers 2012: Chapter 1 4
Figure 1-13

SYSTEM SOFTWARE

• System software consists of the programs that control or
maintain the operations of the computer and its devices

• System software serves as the interface between the user, the
application software, and the computer’s hardware

Operating Utility
systems Programs

Page 398 Discovering Computers 2012: Chapter 8 5

UTILITY SOFTWARE

• Utility software is system software designed to help analyze,
configure, optimize or maintain a computer

Page 143 Discovering Computers 2012: Chapter 3 6
Figure 3-2

OPERATING SYSTEMS

• An operating system (OS) is a set of programs
containing instructions that work together to coordinate
all the activities among computer hardware resources

• Must have an operating system (OS) to allow users to
access various program and functions.

• The three most popular OS: Windows, Mac OS, Linux

Start and shut Provide a user Manage Manage Coordinate Configure
down a interface programs memory tasks devices
computer

Establish an Monitor Provide Automatically Control a Administer
Internet performance utilities update network security

connection

Pages 398 - 399 Discovering Computers 2012: Chapter 8 7

OPERATING SYSTEM FUNCTIONS

• The process of starting or restarting a computer is called booting

Cold boot Warm boot
•Turning on •Using the

a computer operating
that has system to
been restart a
powered off computer
completely

Page 400 Discovering Computers 2012: Chapter 8 8
Figure 8-2

OPERATING SYSTEM FUNCTIONS

Page 401 Discovering Computers 2012: Chapter 8 9
Figure 8-3

OPERATING SYSTEM FUNCTIONS

• A user interface
controls how you
enter data and
instructions and how
information is
displayed on the
screen

• With a graphical user
interface (GUI), you
interact with menus
and visual images
such as icons

Pages 402 – 403 Discovering Computers 2012: Chapter 8 10
Figure 8-4

OPERATING SYSTEM FUNCTIONS

• Operating systems often provide users with the capability of:

Managing files Searching for Viewing images Securing a
files computer

Uninstalling Cleaning up Defragmenting Diagnosing
programs disks disks problems

Backing up Setting up
files and disks screen savers

Page 409 Discovering Computers 2012: Chapter 8 11

STAND-ALONE OPERATING SYSTEMS

• A stand-alone operating system is a complete operating system
that works on a desktop computer, notebook computer, or
mobile computing device

Windows Mac OS X
8 Maverick

UNIX Linux

Page 412 Discovering Computers 2012: Chapter 8 12

EMBEDDED OPERATING SYSTEMS

• An embedded operating system resides on a ROM chip
on a mobile device or consumer electronic device

Windows Windows Palm OS iPhone OS
Embedded Phone 7
Google Embedded Symbian OS
CE Android Linux
BlackBerry

Pages 418 - 420 Discovering Computers 2012: Chapter 8 13

EMBEDDED OPERATING SYSTEMS

Pages 419 – 420 Discovering Computers 2012: Chapter 8 14
Figures 8-22 – 8-26

APPLICATION SOFTWARE

• Application software consists of programs designed to make
users more productive and/or assist with personal tasks

To make business activities more efficient
To assist with graphics and multimedia projects
To support home, personal, and educational tasks
To facilitate communications

Page 142 Discovering Computers 2012: Chapter 3 15

APPLICATION SOFTWARE

Page 142 Discovering Computers 2012: Chapter 3 16
Figure 3-1

APPLICATION SOFTWARE

• Available in a variety of forms:

Packaged Custom Web
software software application

Open source Shareware Freeware
software

Pages 142 – 143 Public- 17
domain
software

Discovering Computers 2012: Chapter 3

BUSINESS APPLICATION SOFTWARE

• Word processing
software allows users
to create and
manipulate documents

• Most widely used type
of application
software.

Page 147 Discovering Computers 2012: Chapter 3 18
Figure 3-5

BUSINESS APPLICATION SOFTWARE

• Spreadsheet software allows users to organize data in
rows and columns and perform calculations

Pages 150 - 151 Discovering Computers 2012: Chapter 3 19
Figure 3-8

BUSINESS APPLICATION SOFTWARE

• A database is a collection of data organized in a
manner that allows access, retrieval, and use of that
data

• Database software allows users to create, access, and
manage a database

Page 153 Discovering Computers 2012: Chapter 3 20
Figure 3-11

BUSINESS APPLICATION SOFTWARE

• Presentation software
allows users to create
visual aids for
presentations to
communicate ideas,
messages, and other
information to a group

Page 154 Discovering Computers 2012: Chapter 3 21
Figure 3-12

PERSONAL APPLICATION SOFTWARE

• A software suite is a collection of individual programs available
together as a unit, like Microsoft Office or Apple iWork.

• Personal Finance software is a simplified accounting program
that helps home users.

• A personal information manager (PIM) is application software
that includes:

Appointment Address Notepad
calendar book

Page 156 Discovering Computers 2012: Chapter 3 22

BUSINESS SOFTWARE

• Scaled down versions of software are available to work with
smart phones and other mobile devices

Pages 156 – 157 Discovering Computers 2012: Chapter 3 23
Figure 3-15

GRAPHICS AND MULTIMEDIA SOFTWARE

• Audio Editing software lets users modify audio clips and produce
studio-quality sounds tracks.

• Photo Editing software allows users to edit digital photos by
removing red-eye, erasing blemishes, restoring aged photos,
adding special effects, or enhancing image quality.

• Video Editing software allows users to modify a segment of a
video, called a clip.

• Voice/Speech recognition software allows users to dictate text
and enter instructions to the computer by speaking into a
microphone.

• Web page authoring software helps users of all skill levels create
Web pages that include multimedia and interactive content

Page 164 Discovering Computers 2012: Chapter 3 24
Figure 3-26

WEB APPLICATIONS

• A Web application
(Web 2.0) is a Web site
that allows users to
access and interact
with software from any
computer or device
that is connected to
the Internet

Pages 172 – 173 Discovering Computers 2012: Chapter 3 25
Figure 3-42

SOFTWARE THEFT

• Software theft occurs when someone:

Steals software Intentionally
media erases programs

Illegally copies a Illegally registers
program and/or activates

a program

Page 571 Discovering Computers 2012: Chapter 11 26

SOFTWARE THEFT

• A single-user license agreement typically contains the
following conditions:

Permitted to

• Install the software on one computer
• Make one copy of the software
• Remove the software from your computer before giving it away or selling it

Not permitted to

• Install the software on a network
• Give copies to friends or colleagues while continuing to use the software
• Export the software
• Rent or lease the software

Page 571 Discovering Computers 2012: Chapter 11 27

SOFTWARE PIRACY

• Copying, loaning,
borrowing, renting, or
distributing software
can be a violation of
copyright law, called
software piracy

• Some software
requires product
activation to function
fully

Pages 571 – 572 Discovering Computers 2012: Chapter 11 28
Figure 11-16

BETA PROGRAMMING

• Some software companies distribute a beta version of their
software.

• A beta program is a program that has most or all of the

features and functionality implemented. It is still under
development.
• Users test the beta program and send bug reports to the
software company.
• This enables the software manufacturer to fix any errors
before the software is released to the public for sale.


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