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Questions and Answers
Which device is used for capturing images and videos?
Which device is used for capturing images and videos?
- Television
- Microwave
- Digital camera (correct)
- Smartphone
Where can the pictures and videos taken with a digital camera be transferred to?
Where can the pictures and videos taken with a digital camera be transferred to?
- Computer (correct)
- Smartwatch
- Refrigerator
- Television
What is the primary purpose of a digital camera?
What is the primary purpose of a digital camera?
- Taking pictures and recording videos (correct)
- Making phone calls
- Calculating mathematical equations
- Playing music
What is the function of a barcode reader?
What is the function of a barcode reader?
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How does a barcode reader convert barcode information?
How does a barcode reader convert barcode information?
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What type of signal does a barcode reader send to the computer?
What type of signal does a barcode reader send to the computer?
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Study Notes
Digital Camera
- A digital camera is used for capturing images and videos.
- The primary purpose of a digital camera is to capture images and videos.
- Pictures and videos taken with a digital camera can be transferred to computers, smartphones, or other devices.
Barcode Reader
- A barcode reader is a device used to read and decode barcode information.
- The primary function of a barcode reader is to convert barcode information into a digital format.
- A barcode reader converts barcode information by scanning the barcode and decoding the pattern of bars and spaces.
- A barcode reader sends a digital signal to the computer, which is then interpreted and used to retrieve information about the product or item.
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