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What is the purpose of a CCD scanner?

A CCD scanner is a charge-coupled device scanner. These scanners are used to scan the barcodes of products in retail stores. It refers to the optical system that makes the scanner work to transfer information to a computer.


What is a specialised input device?

The first example that came to mind was a barcode scanner. It's specifically for scanning barcodes.


What is a device that captures electrical signals and converts them to sound?

speaker


What do supermarkets use lasers for?

Supermarkets use lasers for various purposes such as scanning barcodes on products for pricing and inventory management, detecting counterfeit money, and enhancing security systems by monitoring and tracking movement within the store.


What does a bar code scanner do?

Barcode scanners are devices used to Scan barcodes on Products in Big retail Shops.


What captures sound?

A microphone is a device that captures sound by converting acoustic energy into electrical signals. These signals can then be processed and recorded for playback or transmission.


Why was bar coding used in space?

there are no barcodes in space only earth has barcodes


What is the device that captures writing and other input directly from source documents?

optical scanners


What are barcodes used for?

Barcodes are to help stores keep control on how much stock they have got


What device captures sound waves and transforms them into mechanical energy to make recordings is it a phonograph?

Yes, a phonograph captures sound waves and transforms them into mechanical energy to make recordings. The earliest recording device of this type was invented by Thomas Edison.


An input device that uses light to capture an image?

A camera - "webcam" - is an example of a device that captures an image by gathering light through its aperture.


What is a metrologic bar code scanner used for?

A Metrologic barcode scanner is a hand held device with holographic technology used to scan the barcodes of items. The scanner can be securred in a static position or used remotely as a hand held device.