SCANNERS & TYPES OF SCANNERS - SCIENCE TUTOR

SCANNERS & TYPES OF SCANNERS:

Scanner is an input device used to translate paper documents (Documents may contain text, graphics, pictures or even handwritten materials) into an electronic format that can be stored in a computers.

This copied document is stored in computer in the form of Bitmap, JPG, JPEG, and PDF, PNG etc. which can be edited and printed.

Scanner are of three types:

• Drum Scanner – In this type of a scanner, paper having image is passed is captured.
• Flatbed Scanner – It works like a photocopier. It can scan and store image from books without removing page from book.
• Line Scanner – It is a small handy scanner and is used in for scanning text line by line.

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