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# Scanner Machine A scanner is a device that captures images from various sources, such as photographs, posters, magazines, and pages, for computer editing and display. It converts images into digital information that can be stored on a computer using optical character recognition (OCR). Its main...

# Scanner Machine A scanner is a device that captures images from various sources, such as photographs, posters, magazines, and pages, for computer editing and display. It converts images into digital information that can be stored on a computer using optical character recognition (OCR). Its main function is to digitize the document's information and present it on the computer screen. ## Questions for Discussion 1. What is the full form of ATM? 2. Have you seen an ATM machine? 3. How do you receive money from an ATM? 4. What is a photocopy machine? 5. What is the difference between a photocopy machine and a scanner? ## Photocopy Machine 1. Develops the image of low resolution. 2. Operates quicker than a scanner. 3. The photocopy image cannot be stored directly on the computer; it requires the computer to operate. 4. The image cannot be edited. ## Scanner 1. Develops the image of high resolution. 2. Operates relatively slower than photocopy machines. 3. The scanned image can be stored directly on the computer and sent via email. 4. The image can be edited. # Printer A printer is an external hardware output device that takes electronic data from a computer or other devices and generates a hard copy (printed document). Documents can be of many types, such as text, images, or other visuals. # Router A router is a network device that facilitates communication between computers or other network devices. It performs the task of routing data packets, facilitating the transmission of data over the Internet. A router connects networked devices to the Internet by establishing a connection between different packets. A router takes packets and routes them to the correct location on the Internet.