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Lesson Three: Introduction to the Scanner

AB
Scanneris a device used to analyze an image and process it.
Flatbed ScannerFor personal use of scanning documents and photos.
Sheet-Fed ScannerCan be portable and used for scanning only paper documents and photos.
Handheld ScannerExtremely portable and used to just quickly scan paper documents and photos.
Drum ScannerLarge scanner used to take high quality scans of documents or photos.
USBUsed to connect scanners to the computer.
TWAINThe program used by the computer to communicate and operate the scanner.
What are the benefits of using a TWAIN compliant image editing application?The image can be scanned directly into the program from the scanner
Scanned photographs can be saved as what file type(s)?jpg, bmp, tif, png
Scanned documents can be saved as what file type(s)?jpg, bmp, tif, png, pdf
croppingTrimming an image, or cutting part of it away, is called what
brightnessAlso knows as tone or value, the ____________ refers to the lightness and darkness of an image.
contrastThe image property that refers to the differences in its visual properties.


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