1、Chapter 3,System and Application Software,1,Whats inside ?,In this chapter you will learn about: Operating System software Applications software The types of tasks they can carry out Utility Software,2,Practical Computer Literacy, 3rd Edition,What is software?,Instructions that tell a computer how t
2、o carry out a task is a computer program Programs form software to do tasks such as: Document production Video editing Graphic design Web browsing,3,Practical Computer Literacy, 3rd Edition,What is software?,Software is classified as system software or application software System software is used to
3、 help computers 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,4,Practical Computer Literacy, 3rd Edition,What is software?,5,Practical Computer Literacy, 3rd Edition,What is softwa
4、re?,System and application software work together to perform tasks,6,Practical Computer Literacy, 3rd Edition,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
5、 suite is related software bundled together Microsoft Office Suite CorelDRAW Graphic suite,7,Practical Computer Literacy, 3rd Edition,What is software?,Business software is a broad umbrella for vertical and horizontal market software Vertical market software is designed to automate specialized tasks
6、 in a specific market Horizontal market software is generic software any business can use Payroll Accounting Project management,8,Practical Computer Literacy, 3rd Edition,What is software?,Groupware is a type of application software frequently used in business Used to help several people collaborate
7、 Media Player is a software application that plays media files such as music and videos Plug-ins add functionality to other programs such as browsers,9,Practical Computer Literacy, 3rd Edition,What is an operating system?,An operating system is the master controller for all activities within a compu
8、ter An Operating System (OS) does not directly help people perform application-specific tasks Older operating systems used a command-line interface Most modern operating systems feature an easy-to-use graphical user interface (GUI) GUI represents controls and commands as easily manipulated pictures,
9、10,Practical Computer Literacy, 3rd Edition,What is an operating system?,Microsoft Windows is an OS that has evolved for several generations Windows 7 most recent version Windows XP and Vista are still in use Operating systems designed for handheld devices also feature GUIs Windows Mobile OS Symbian
10、 Android OS Palm webOS,11,Practical Computer Literacy, 3rd Edition,What is an operating system?,Operating systems equip computer with a wide range of capabilities: Run multiple programs Access to multiple users Operating systems also establish limits: DOS limits program names to eight characters Amo
11、unt of memory that can be installed Size of disk storage Operating system problems can be frustrating and difficult to diagnose,12,Practical Computer Literacy, 3rd Edition,What is an operating system?,Corrupted operating system files can result in an unstable computer Incompatibilities between opera
12、ting systems and application software, files, or devices can cause computers to become unresponsive,13,Practical Computer Literacy, 3rd Edition,What is document processing software?,Document production software assists with: Composing Editing Designing Printing Electronic publishing,14,Practical Com
13、puter Literacy, 3rd Edition,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,15,Practical Co
14、mputer Literacy, 3rd Edition,What is document processing software?,16,Practical Computer Literacy, 3rd Edition,What is document processing software?,What is spreadsheet software?,Spreadsheet software allows creation of electronic spreadsheets called worksheets Use worksheets to make calculations fro
15、m 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,17,Practical Computer Literacy, 3rd Edition,What is spreadsheet software?,18,Practical Computer Literacy, 3rd Edition,What is presentation s
16、oftware?,Presentation software supplies tools needed for combining the following elements into electronic slides: Text Photos Clip art Graphics Animation Sound clips,19,Practical Computer Literacy, 3rd Edition,What is presentation software?,Software is used: In classroom lectures and oral presentati
17、ons To create virtual classrooms for distant learning To illustrate ideas at company meetings, conferences, and sales events,20,Practical Computer Literacy, 3rd Edition,What is presentation software?,Software includes tools for creating: Speaker notes Line drawings, arrows, other simple shapes Digit
18、al photographs Animation Videos Software includes templates, master slides, and themes to ensure uniformity,21,Practical Computer Literacy, 3rd Edition,What is presentation software?,22,Practical Computer Literacy, 3rd Edition,What is database software?,A database is a collection of data stored in o
19、ne 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,23,Practical Computer Literacy, 3rd Edition,What about graphics software?
20、,The term graphics refers to: Pictures Drawings Sketches Photographs Images Icons Graphics software is designed to create, manipulate, and print graphics,24,Practical Computer Literacy, 3rd Edition,What about graphics software?,Paint software provides a set of electronic pens, brushes, and paints Ph
21、oto 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 Sch
22、ematics,25,Practical Computer Literacy, 3rd Edition,What about graphics software?,26,Practical Computer Literacy, 3rd Edition,Can I create animations and videos on my computer?,Animation is a series of still images, each slightly different, that creates the illusion of movement when displayed Dynami
23、c web page elements Computer games Movie special effects Video editing software provides tools for transferring video footage from camcorder to computer to: Cut out unwanted footage Assemble video segments in any sequence Add special visual effects Add soundtracks,27,Practical Computer Literacy, 3rd
24、 Edition,Can I create animations and videos on my computer?,28,Practical Computer Literacy, 3rd Edition,What software do I need for music and other audio applications?,Digital audio is sound represented in binary format Digitizing Stored on hard disk in Wav, MP3, M4P and MIDI format Windows operatin
25、g system has built-in utility called Sound Recorder MP3 software converts CDs into digital format called MP3 iTunes music is distributed in M4P MIDI format allows computers to communicate with music synthesizers,29,Practical Computer Literacy, 3rd Edition,What software do I need for music and other
26、audio applications?,30,Practical Computer Literacy, 3rd Edition,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 te
27、aching and learning Teleconferencing Web-based tutorials Virtual classrooms,31,Practical Computer Literacy, 3rd Edition,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
28、players can participate in the same game Moving closer to virtual reality,32,Practical Computer Literacy, 3rd Edition,What is utility software?,Utility software includes programs to optimize computers performance, protect data, and facilitate communication Desktop widgets Antivirus software Antispyware utilities Compression utilities Defragmentation utilities Backup software Various types of communications software,33,Practical Computer Literacy, 3rd Edition,
