What is an image scanner?

Q: What is an image scanner?


A: An image scanner is a device used to transfer images or text into a computer.

Q: Are there special models of image scanners?


A: Yes, there are special models for scanning photo negatives, or to scan books.

Q: How does an image scanner transfer the signal to a digital image?


A: The signal from the scanner is transferred to a digital image in the computer.

Q: What are the special parts of a scanner used for?


A: All scanners have special parts which are used to take a picture from an object.

Q: What are Charge-coupled device or Contact Image Sensor parts?


A: Charge-coupled device or Contact Image Sensor parts take the light from the object and change it into a digital signal.

Q: What can be done with the digital image obtained from a scanner?


A: The obtained digital image can be edited, printed, etc.

Q: Can text printed or written by hand be changed into ASCII code?


A: Yes, text printed or written by hand can be changed to ASCII code by an OCR program.

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