Unit C Computer Software

Computer Concepts – Illustrated 8 th edition Unit C: Computer Software

Objectives Introduce computer software Introduce operating systems Compare operating systems Define office productivity software Define graphics software Computer Concepts – Illustrated 8th Edition Computer Concepts – Illustrated 8th Edition

Objectives (continued) Define entertainment and education software Define business and science software Understand utilities Understand licenses and copyrights Install and uninstall software Computer Concepts – Illustrated 8th Edition Computer Concepts – Illustrated 8th Edition

Introducing Computer Software Software or computer programs Files that provide a computer with instructions and data for carrying out a task Two categories of software: System software : designed for computer-specific tasks Application software : helps you carry out tasks using a computer Productivity software Groupware Computer Concepts – Illustrated 8th Edition Computer Concepts – Illustrated 8th Edition

Computer Concepts – Illustrated 8th Edition Computer Concepts – Illustrated 8th Edition Figure C-1: Software categories

Introducing Operating Systems Operating system (OS) Manages a computer’s resources by interacting with software and hardware Computer resources: CPU, RAM, storage space, peripherals, etc. Boot process : started when computer is turned on Loads the operating system Task Manager Displays a list of processes that are being executed by the processor Computer Concepts – Illustrated 8th Edition

Introducing Operating Systems (continued) Computer Concepts – Illustrated 8th Edition Table C-2: Ways you use an operating system

Comparing Operating Systems Three main operating systems for personal computers: Windows , Mac OS , Linux Windows: developed by Microsoft Windows 7: latest version of Windows Mac OS: used on Apple Macintosh computers Mac OS X (Snow Leopard): latest version Linux: developed by Linus Torvalds Available as a free download You can run Windows OS on a Mac computer if you have an Intel Mac Computer Concepts – Illustrated 8th Edition

Computer Concepts – Illustrated 8th Edition Figure C-5: The Windows 7 GUI

Computer Concepts – Illustrated 8th Edition Figure C-7: Mac OS X GUI

Computer Concepts – Illustrated 8th Edition Figure C-9: Linux operating system with Ubuntu graphical desktop

Defining Office Productivity Software Office productivity software Integrates word processing, spreadsheet, database, drawing, presentation capabilities Word processing software Used to produce documents Microsoft Word, OpenOffice Writer Spreadsheet software For projects with repetitive calculations Microsoft Excel, OpenOffice Calc Worksheet : a grid of columns and rows Computer Concepts – Illustrated 8th Edition

Defining Office Productivity Software (continued) Database software Provides tools needed to create a database Database A collection of data that is stored electronically as a series of records in tables Microsoft Access, OpenOffice Base Presentation software Provides all the tools needed to make a series of electronic slides Microsoft PowerPoint, OpenOffice Impress Computer Concepts – Illustrated 8th Edition

Computer Concepts – Illustrated 8th Edition Figure C-13: A slide in a presentation

Defining Graphics Software Graphics Picture, drawing, sketch, photograph, image, or icon on screen or printed output Graphics software Helps you create, display, modify, manipulate, and print graphics Paint software Used to create sophisticated images Computer Concepts – Illustrated 8th Edition

Defining Graphics Software (continued) Drawing software Provides tools to create simple images Photo editing software Includes features that help you improve the quality of photos Clip art : collection of graphic images 3D graphics software Provides a set of tools for creating wire-frame models that represent three-dimensional objects Computer Concepts – Illustrated 8th Edition

Computer Concepts – Illustrated 8th Edition Figure C-15: Photo editing software

Defining Entertainment and Education Software Computer games Entertainment Software Rating Board (ESRB) ratings Music CDs Can be created using a CD ripper software MP3 player and MP3 files Convert music from other formats into a format for digital music players Save a file as an MP3 file Computer Concepts – Illustrated 8th Edition

Defining Entertainment and Education Software (continued) Audio editing software Used to make digital voice and music recordings To edit video and create DVDs: Video editing software DVD authoring software Educational software Used to learn and practice new skills Computer Concepts – Illustrated 8th Edition

Computer Concepts – Illustrated 8th Edition Figure C-19: Burning an audio CD

Defining Business and Science Software Project management software An important tool for planning and managing large or small projects Accounting software and finance software Used to keep a record of monetary transactions and investments Mathematical modeling software Provides tools for solving a wide range of math, science, and engineering problems Computer Concepts – Illustrated 8th Edition

Computer Concepts – Illustrated 8th Edition Figure C-22: Project management software

Defining Business and Science Software (continued) Statistical software Used to analyze large sets of data in order to discover relationships and patterns Internet software solutions Can be used directly from the Internet Software suite A collection of application software sold as a single package Computer Concepts – Illustrated 8th Edition

Understanding Utilities Utility software (or utilities) A type of system software, designed to perform a specialized task Many utilities come with operating system Some of these run in the background Third-party utilities Compression utility Security utilities Document reader utility Device driver Desktop widget Computer Concepts – Illustrated 8th Edition

Computer Concepts – Illustrated 8th Edition Figure C-29: Desktop widgets

Understanding Licenses and Copyrights Software license or license agreement Legal contract that defines the ways in which you may use a computer program Categories of software: Public domain software Proprietary software EULA (end-user license agreement) Displayed on the screen during installation Shrink-wrap license : goes into effect as soon as you open the packaging Computer Concepts – Illustrated 8th Edition

Understanding Licenses and Copyrights (continued) Types of software licenses: Single-user license Site license Multiple-user license Concurrent-use license In most countries, computer software is protected by copyright Intellectual property Ownership of certain types of information, ideas, or representations Computer Concepts – Illustrated 8th Edition

Installing and Uninstalling Software Before installing software, check its system requirements Installation process Setup program guides you through the installation process Activation Required by many software publishers Updates: patches, service packs, and software upgrades Uninstall program: to remove software Computer Concepts – Illustrated 8th Edition

Talking Points: What Are the Consequences of Software Piracy? Software piracy is easy to do but illegal Software piracy takes many forms Counterfeiting Large-scale illegal duplication of software and sometimes even its packaging Internet piracy Uses the Web to distribute unauthorized software illegally Software piracy Has a negative effect on the economy Negatively affects customer service Computer Concepts – Illustrated 8th Edition

Summary This chapter introduced: System software and application software Types of software available for creating and editing graphics, video, and music Types of software used for education and reference, entertainment, and business Utility software Software copyrights and licenses Installing software and uninstalling software Computer Concepts – Illustrated 8th Edition Computer Concepts – Illustrated 8th Edition

Unit C Computer Software

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Unit C Computer Software