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File Extensions!

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by

Clarissa Raya

on 29 January 2013

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Transcript of File Extensions!

Text Text files contain textual data and may be saved in plain text or rich text formats. Most text files are created and saved by users but they can also be used by software developers to store program data. Some examples of text files are: FILE EXTENSIONS Sources: http://www.fileinfo.com/filetypes/text

http://www.softicons.com/free-icons/system-icons/web0.2ama-icons-by-chrfb/file-video-icon A File Extension is the last part of a filename, after the dot. While most file extensions are three characters some can be longer or shorter as well. File extensions are used to define the file type of each file which is used by opperating systems to select which application will open the file. .TXT - Plain text file - standard text document that contains unformatted text
.RTF - Rich Text Format File - May include several types of text formatting, for example: different fonts, pictures, etc.
.LOG - Log File - May be created to keep track of system events or to list location and names of installed files.
.DOCX - Microsoft Word Open XML Document - Used for authoring, business, academic, and personal documents.
.ABW - AbiWord Document - Supports rich text formatting, advanced document layouts, images, tables, lists and footnotes. MUSIC Music fits under the audio files category which includes compressed and uncompressed audio formats, that contain waveform data that can be played with audio playback software. Some common music/audio files include: .WAV - WAVE Audio File - Used for storing waveform data, allows audio recordings to be saved with different sampling rates and bitrates.
.AIF - Audio Interchange File Format - Contains uncompressed CD quality audio similar to a .WAV File; commonly used to store standard CD audio.
.MP3 - Moving Pictures Experts Group - Commonly used to store music files and audiobooks on a hard drive.
.MID - MIDI File - File contains attributes of music data rather than music data itself; can be played back using software instruments that interpret this data.
.AMC - Interplay Audio File - Compressed audio file used by interplay video games, such as BioWare and Fallout. Video The video files category includes a wide range of video formats, which use different codecs to encode and compress video data. Common types of video files are: .MPG - MPEG Video File - incorporates MPEG-1 or MPEG-2 audio and video compression; often used for creating movies that are distributed on the internet.
.MOV - Apple Quick Time Movie. - Common multimedia format; often used for saving movies and other video files.
.WMV - Windows Media Video File - Contains video, encoded with one of Microsoft's Windows Media Video proprietary codecs.
.RM - Real Media File - Contains either audio or video data or a link to a streaming media file, commonly used for internet radio and internet videos.
.3GP - 3GPP Multimedia File - Designed as a multimedia format for transmitting audio and video files between 3G cell phones and over the internet. Used by mobile phones that support video capture. PICTURES Raster graphics are the most common type of image files.Both web graphics and digital photos are stored as raster graphics, some raster image formats are uncompressed, but most use some type of image compression. Common types of raster image files are: .BMP - Bitmap Image File - comprised of a rectangular grid of pixels; contains a header and bitmap pixels, each a different color. -
.JPG - JPEG Image - commonly used for storing digital photos; compressed image format standardized by the Joint Experts Group.
.TIF - Tagged Image File - High quality graphics format often used for storing images with many colors, such as a digital photo.
.PNG - Portable Network Graphic - Commonly used to store graphics for web images.
.GIF - Graphical Interchangeable Format File - Common Format for web graphics, especially small images and images that contain text. Data Data files are the most common type of computer files. They may be created by users or installed with applications. Most data files are saved in binary format, though some store data as plain text. Some common data files include: .DAT - Data File - typically accessed only by the application that created the file; may contain data in text or binary format.
.XML - XML File (Extensible Markup Language) - uses custom tags to define objects and the data within each object.
.VCF - vCard File - Stores contact info. for a person or business; includes a name, address, phone number, e-mail address; and other contact information.
.GBR - Gerber File - Standard file format used for creating printed circuit board (PCB) designs.
.AW - Answer Wizard File - Used for creating help topic add-ons to Microsoft Office programs.
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