Question

what is a scanner used for input? discuss various types of scanner? ​

Answer 1

Answer:

When referring to hardware, a scanner or optical scanner is a hardware input device that optically "reads" and image and converts it into a digital signal. For example, a scanner may be used to convert a printed picture, drawing, or document (hard copy) into a digital file which can be edited on a computer.

The four common scanner types are: Flatbed, Sheet-fed, Handheld, and Drum scanners. Flatbed scanners are some of the most commonly used scanners as it has both home and office functions

Explanation:

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Answer 2

Scanner is used for read text or pictures printed on a paper and translates the information into a form that a computer can use.

• Types of scanners:-

1. Flat bed scanner
2. Sheet - Fed scanner
3. Hand held scanner