DIFFERENT FILE FORMAT/EXTENSION

ERWIN MARLON R. SARIOEDUCATIONAL TECHNOLOGY 2

OBJECTIVES:

The learners will be able to know the meaning of computer files and file format.

The students will be able to identify the different file format in Windows Operating System.

In connection to teaching, the lesson will provide the student teacher with additional knowledge in computer.

Identifying file format or file types can serve as an assistance in identifying computer viruses.

COMPUTER FILE FORMATA file format is the structure of how information is stored (encoded) in a computer file. File formats are designed to store specific types of information, such as JPEG and TIFF for image or raster data, AI (Adobe Illustrator) for vector data, or PDF for document exchange.COMPUTER FILE EXTENSIONA file extension or file name extension is the ending of a file that helps identify the type of file in operating systems such as Microsoft Windows. In Microsoft Windows, the file name extension is a period that is often followed by three characters, but may also be one, two, or four characters long.

FILENAME AND FILE EXTENSION

MICROSOFT OFFICE 2013 FILE EXTENSION

.docx – Word document

.xlsx – Excel workbook

.pptx – PowerPoint presentation

.ppsx – PowerPoint slideshow

COMMON IMAGE FILE EXTENSIONS

.TIFF – Tagged Image File Format

.JPG or .JPEG – Joint Photographic Expert Group.BMP – Bitmap .GIF – Graphics Interchange Format.PNG – Portable Network Graphics

COMMON AUDIO FILE EXTENSION.MP3 – MPEG-2 Audio Layer 3(Moving Pictures Expert Group).OGG- developed by Xiph.org foundation.AIFF- Audio Interchange File Format.WMA- Windows Media Audio.WAV- Waveform Audio File Format, WAVE.MIDI-Musical Instrument Digital Interface

COMMON VIDEO FILE FORMAT.AVI- Audio Video Interleave.MPG or .MPEG – Moving Pictures Expert Group.FLA – Adobe FLASH Movies.MKV – developed by Matroska.org.FLV- Adobe Flash Video .MOV- extension for Quicktime Multimedia File Format

COMMON ADOBE FILE FORMAT

.PDF – Portable Document Format.PSD – Photoshop Document.SWF – Shockwave Format.FLA – Flash Video Format

OTHER FILE EXTENSIONS

.TTF – True Type Font

.EXE – Executable File

.DLL – Direct Link Library

.SYS – System File

.ICO – Icon File

.LNK – Shortcut

.TXT – Text File

.FFH – Unknown File

.LOG – Log File

.HTML – Hypertext Markup Language