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Which of the following devices allows a user to copy an external document and save it in electronic form onto a computer?
1. Spammer
2. Scanner
3. Printer
4. Plotter

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Correct Answer - Option 2 : Scanner

The correct answer is "Scanner"

  1. Spammer - is a person or organization that sends irrelevant or unsolicited messages over the internet, typically to a large number of users, for the purposes of advertising, phishing, spreading malware, or for any prohibited purpose. For example, unsolicited commercial email messages sent in bulk, often using a purchased (or stolen) mailing list that includes your address. Counterfeit messages that look like they were sent by reliable sources and attempt to trick you into supplying your personal information.
  2. Scanner- is an input device that optically scans images, printed text, handwriting or an object and converts it to a digital image. Commonly used in offices are variations of the desktop flatbed scanner which means they have a flat scanning surface, where the document is placed on a glass window for scanning. Document scanning and imaging can greatly reduce the amount of time to work on the important stuff.
  3. Printer- A printer is an output device that prints paper documents. This includes text documents, images, or a combination of both. The two most important type of printers is inkjet printers and laser printers. In order to print a document, the electronic data must be sent from the computer to the printer. An inkjet printer uses ink, is suitable for low volume printing, and is the traditional choice of home users, while a laser printer uses toner, is ideal for high volume printing, is mostly utilized in office settings.
  4. Plotter- A plotter is a computer hardware device much like a printer that is used for printing vector graphics. Instead of toner, plotters use a pen, pencil, marker, or another writing tool to draw multiple, continuous lines onto the paper rather than a series of dots like a traditional printer.

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