Chapter 3 System and Application Software 1. 2 What’s inside and on the CD? In this chapter you will learn about: –Many kinds of software –The types of

Chapter 3

System and Application Software

1

2

What’s inside and on the CD?

• In this chapter you will learn about:– Many kinds of software– The types of tasks they can carry out– How to add software to your computer

Practical Computer Literacy, 2nd edition Chapter 3

3

What is software?

• Instructions that tell a computer how to carry out a task is a computer program

• Programs form software to do tasks such as:– Document production– Video editing– Graphic design– Web browsing


4

What is software?

• Software is classified as system software or application software– System software is to help computer carry out its

basic operating functions– Application software is used to help people carry

out tasks such as creating documents, tracking finances, and editing photos


5

What is software?


6

What is software?

• System and application software work together to perform tasks


7

What is software?

• Application software is subcategorized in a variety of ways– Productivity software refers to word processing,

spreadsheet, presentation, and database applications– A software suite is related software bundled together

• Microsoft Office Suite• CorelDRAW Graphic suite


8

What is software?

– Business software is a broad umbrella for vertical and horizontal market software

• Vertical market software is designed to automate specialized tasks in a specific market

• Horizontal market software is generic software any business can use

– Payroll– Accounting– Project management


What is software?

• Groupware is a type of application software frequently used in business– Used to help several people collaborate

9Practical Computer Literacy, 2nd edition Chapter 3

10

What is an operating system?

• An operating system is master controller for all activities within a computer

• An Operating system (OS) does not help people perform application-specific tasks

• Older operating systems used a command-line interface

• Most modern operating systems feature easy-to-use graphical user interface (GUI)– GUI represents controls and commands as easily

manipulated pictures



• Operating systems designed for handheld devices also feature GUIs– Windows Mobile OS– Symbian– Palm OS


12


• Large-scale computer systems allow monitoring of:– Multiple users– Set up network security– Maintain regular backups– Optimize performance

• Operating systems also establish limits:– DOS limits program names to eight characters– Amount of memory that can be installed– Size of disk storage


13


• Corrupted operating system files can result in an unstable computer

• Incompatibilities between operating systems and application software, files, or devices can cause computers to become unresponsive


14

What is document processing software?

• Document production software assists with:– Composing– Editing– Designing – Printing– Electronic publishing


15


• Word processing software has replaced typewriter for:– Creating– Spell-checking– Editing– Formatting

• Desktop publishing software helps with graphic design to enhance format and appearance

• Web authoring software helps you design and develop customized Web pages


16



17

What is spreadsheet software?

• Spreadsheet software allows creation of electronic spreadsheets called worksheets– Use worksheets to make calculations from inputted

formulas– Worksheets can be grouped to share data– Turn data into colorful graphs– Sort data – Search for data that meets specific criteria– Print reports


18

What is spreadsheet software?


19

What is presentation software?

• Presentation software supplies tools needed for combining into electronic slides:– Text– Photos– Clip art– Graphics– Animation– Sound clips


20


• Software is used:– In classroom lectures and oral presentations– To create virtual classrooms for distant learning– To illustrate ideas at company meetings, conferences,

and sales events


21


• Software includes tools for creating:– Speaker notes– Line drawings, arrows, other simple shapes– Complex diagrams– Digital photographs– Animation– Videos

• Software includes templates, master slides, and themes to ensure uniformity


22



23

What is database software?

• A database is a collection of data stored in one or more computers

• Database software helps you:– Enter– Find– Organize– Update– Report

• Database software stores data as a series of records• Many database software packages include tools to create:

– Queries– Electronic forms– Reports


24

What is database software?


25

What about graphics software?

• The term graphics refers to:– Pictures– Drawings– Sketches– Photographs– Images– Icons

• Graphics software is designed to create, manipulate, and print graphics


26


• Paint software provides a set of electronic pens, brushes, and paints

• Photo editing software includes features designed to fix poor-quality photographs by:– Modifying contrast and brightness– Cropping out unwanted objects– Removing “red eye”

• Drawing software and CAD provide a set of lines, shapes, and colors to produce:– Diagrams– Corporate logos– Architectural blueprints– Schematics


27



28

Can I create videos and music on my computer?

• Video editing software provides tools for transferring video footage from camcorder to computer to:– Clip out unwanted footage– Assemble video segments in any sequence– Add special visual effects– Add soundtracks


29

Can I create videos and music on my computer?


30

What software do I need for music and other audio applications?

• Digital audio is sound represented in binary format• You store recordings on computer’s hard disk in

waveform audio format • Windows operating system has built-in utility called

Sound Recorder• MP3 software converts CDs into digital format called

MP3• MIDI format allows computers to communicate with

music synthesizers


What software do I need for music and other audio applications?


What about educational and entertainment software?

• Educational software helps you learn and practice new skills

• Computer-based training (CBT), sometimes referred to as e-Learning, can refer to a variety of ways of using computers for teaching and learning– Teleconferencing– Web-based tutorials– Virtual classrooms


What about educational and entertainment software?

• Computer games are the most popular type of entertainment software

• Multiplayer games provide an environment in which two or more players can participate in the same game– Moving closer to virtual reality


34

What is utility software?

• Utility software includes programs to optimize computer’s performance, protect data, and facilitate communication– Desktop widgets– Antivirus software– Antispyware utilities– Compression utilities– Defragmentation utilities– Backup software– Various types of communications software


Documents

Chapter 3 System and Application Software 1. 2 What’s inside and on the CD? In this chapter you will learn about: –Many kinds of software –The types of