Question

When is a scanner used for input describe various types of scanner

Answer 1

Scanner is an input device and a computer hardware which is used to make a digital copy of your documents They can be connected with many interfaces not just USB, like firewire , SCSI .

Types of Scanners

Flatbed Scanners - These are the most commonly used scanners

Sheetfed Scanners - These scanners scan documents by feeding paper into it.

Hand-held Scanners - These scanners scans the document by dragging the scanner on the document.

Drum Scanners - These scanners scans the document at high resolution,they are expensive.