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Application software is
any program that gives the user the ability to complete work on the computer.
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General-purpose applications,
such as word-processing or spreadsheet programs, enable users to complete common tasks.
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Multimedia and graphics software includes
the use of two or more media, such as graphics plus video or audio.
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Codecs are
algorithms that reduce file size and allow faster Internet transfer speeds.
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Use paint programs to create_____ _____ which are made up of tiny dots known as pixels.
bitmapped images (raster graphics),
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Graphics Interchange Format (GIF)
Lossless compression of simple images
Often used for Web pages
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Joint Photographic Experts Group (JPEG)
Lossy compression of complex images
Also used for Web pages
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Productivity programs
Make it easier to do work
- Examples
- Word-processing software
- Spreadsheet or database software
- Presentation software
- Project management software
- Personal information management software
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Microsoft Access 2010
- Database management system
- Designed to:
- Store related data in tables
- Create relationships
- Generate forms, queries, & reports
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Microsoft Project 2010
- Useful for the management of one or more projects that can vary in complexity
- Features include
- Visually enhanced timeline emphasizes due dates and deadlines
- Team-planning capability
- Portfolio manager monitors allocation of scarce resources and current project costs
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Microsoft Outlook 2010
- Personal information management system
- Features include
- •E-mail
- •Conversation grouping
- •Ignoring conversations
- •Think before you send feature
- •Calendar with alarms
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Media
- Refers to the technology used in presenting information including:
- •Pictures
- •Sound
- •Video
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Multimedia programs
Enable users to incorporate more than one type of technology
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Lossless compression—
does not delete information needed to reproduce the
image without flaws
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Lossy compression—
removes some information, but the loss is
typically not noticeable
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Audio Video Interleave (AVI)—
Microsoft-created specification for packaging audio and video data into a file
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Desktop publishing programs
Used to create newsletters, product catalogs, advertising brochures, and other documents requiring unusual design and layout normal word processors do not provide.
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Portable Network Graphics (PNG)
- Patent-free alternative to a GIF
- Lossless compression, suitable for Web use only
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Windows Bitmap (BMP)
- Compression optional
- Files tend to be large
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Tag Image File Format (TIFF)
- Includes descriptive information with the image
- Used in publishing
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Drawing programs
Create vector graphics that can be edited and resized without distortion
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3D rendering programs
Provide graphic objects with three dimensional effects
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Ray tracing
Manipulates variations in color intensity that would be produced by light falling on an object from multiple directions
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Computer Aided Design (CAD)
3D rendering programs used by engineers and scientists
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Image editors
- Advanced types of paint programs
- Can change complicated bitmapped objects, including photographs
- Can edit, but not create, bitmapped images
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Animation programs
Give the ability to create animation from images and run the animation
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Audio software
Used to capture and process sound used in multimedia presentations
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Standard sound file formats
- MP3
- Windows Media Audio (WMA)
- WAV
- Ogg Vorbis
- Musical Instrument Digital Interface (MIDI)
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Video editors
oEnable the user to:
•Modify digitized videos
•Save in at least one of these formats:
oMoving Picture Experts Group (MPEG)
- oQuickTime
- oVideo for Windows
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Multimedia authoring systems
- Used to create multimedia presentations
- Require a large amount of disk space and memory to run properly
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Web page authoring programs
oProfessional development tools that have greater scope to create Web pages
•Dreamweaver
•Flash
•Fireworks
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Web-hosted technology
oShare files and collaborate
•Windows Office Live
•Google Docs
oHelp avoid file incompatibility
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Undesirable Internet software
oSpyware—monitors your activity
oPop-up—small window that appears in the current browser window
oAdware—targets products to your interests
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Home and educational programs
oPersonal finance and tax preparation software
oHome design and landscaping software
oComputerized reference software
•Multimedia dictionaries
•Encyclopedias
- •How-to guides
- oComputer games
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Tailor-made applications
oSoftware designed for specific businesses or users
oOften cost more than general-purpose applications because of their development costs
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Custom software
•Developed for a user’s specific needs
•Necessary when an application is not available
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Packaged software
•Developed for the mass market
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Standalone program
oFully self-contained program
oAdvantages
•Purchased and installed separately
•Function by themselves
oDisadvantages
•Take a lot of storage space
•Do not share resources
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Integrated programs
oSingle program that combines the most commonly used functions of many productivity software programs
- •Example: Microsoft Works
- oModules (functions) share the same interface
- oLacks features
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Software suite (office suite)
- oBundle of standalone programs
- •Word processing
- •Spreadsheet
- •Presentation graphics
- •Database
- •Personal information
- oShare common code, drivers, and graphic libraries
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System requirements
Outline the minimal level of resources that a program requires
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Time-limited trial versions
oOffered for commercial programs by software companies
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Beta versions
oSometimes available to users
•Software is in the final testing stages and may contain bugs.
Access is free.
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Software upgrading
oHow software is kept current.
•Small fixes to software are called patches.
•Large or major fixes to software are called service packs or service releases.
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Software license
Permits the user to install the program on one computer
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Site license
Right to install copies of programs on a precise number of computers
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Validate software
oProviding a special code or product key before using it
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Commercial software
oSoftware that must be purchased
•May have a trial period
- •Examples
- oMicrosoft Office
oAdobe Acrobat
oApple iLife
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Shareware
You may try before purchasing
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Freeware
oFree to users as long as users do not sell it to others
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Public domain software
oCopyright-free software
oUsers can modify or sell
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Copy-protected software
Internal process prohibits making unauthorized copies
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Launching
oMoves it from the hard disk to memory
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