Question

What are the three types of scanner? Explain their working in brief.

Answer 1

Elatbed scanner - In this scanner, the item being scanned is place under a fat glass surface. It works like a photocopy machine.

Handheld scanner - This scanner is held in hand and moved over the object that is being scanned. It scans text and images that are less than a large wide. It is mostly used in shopping malls.

Drum scanner - This drum scanner captures the highest resolution from an image. It is mostly used for commerical graphics products. It is the most expensive scanner.

Elatbed scanner - In this scanner, the item bring sccaned is placed under a falt glass surface. It works like a photocopy machine.