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CHAPTER 4

ITEM 2

Item 2 of Chapter 4 explains and goes into detail about Scanners, Readers, and Digital Cameras.

Scanners (Optical Scanner) : input device that reads printed text and graphics and transfers them to a computer in digital form.

Readers : There are a number of different readers and the following are just some of the more commonly used,

1. Barcode readers
2. Radio frequency identification (RFID)
3. Optical work readers (OMRs)
4. Optical character recognition (OCR) devices
5. Magnectic ink character recognition
6. Biometric readers (MICR)

Digital Cameras : input device that takes pictures and records them as digital data (instead of film or videotaped) images.

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