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Data Portability - IMAGE AND TEXT (GIF (Portable can be opened in most…
Data Portability - IMAGE AND TEXT
JPEG
Joint Photographic Experts Group
Supports compression
Higher compression will reduce image quality (Lossy)
Used for web pages
Portable
TIFF
Tagged Image File Format
Portable – allows images to be transferred between Microsoft and Apple devices
Lossy and Lossless compression
Large file size
Used by professional photographers
PNG
Very portable and can be opened by all graphic & desktop design packages
Lossless compression
Can contain layers
Very high quality image used frequently on websites
Portable Networks Graphics
PICT
limited portability
Developed by Apple - Not widely used
Can store bitmap and vector images
GIF
Portable can be opened in most graphic packages
Lossless compression when used on simple images with blocks of colour
Lossy compression for real or lifelike images
Very small file sizes
Often used for icons and buttons on websites
Graphics Interchange Format
TXT
Very portable and can be opened by any word processing software and many others
Plain text e.g. no images, no formatting
Small file size
CSV
Comma Separated Values
Portable between word processor and spreadsheet/database applications
Use plain text and therefore small file sizes
Data is set out in a tabular structure on each row separated by various means e.g. comma, tab space, semicolon etc.
RTF
Very portable between word processing software
Text and styling is stored in a standard way so all word processing software displays it the same
Not all advanced formatting can be saved as RFT
Rich Text Format
PDF
Portable Document Format
Very portable
Can contain editable regions and is often used for online forms and job applications
Can be highly compressed