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प्रश्न
Explain the following.
Bar code/QR code Reader
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उत्तर
- A Bar code is a pattern printed in lines of different thicknesses.
- The Bar code reader scans the information on the bar codes transmits it to the computer for further processing.
- The system gives fast and error-free entry of information into the computer.
Quick response (QR) code: The QR code is the two-dimension bar code that can be read by a camera and processed to interpret the image.
संबंधित प्रश्न
How does a computer work?
Which one of the following is an input device?
Name the parts of a computer.
Name the volatile memory.
Identify the input device.
Which one of the following is used in ATM machines?
Which one of the following is the main memory?
What is the function of memory?
Differentiate optical and Laser mouse.
Explain the following.
Inkjet Printer
The data is processed in the ______.
The Computer system which has ______ monitor emits less heat.
Give the uses of the right and left buttons of the mouse.
What are the parts of the CPU?
Name of types of monitors.
Which one of the following is not important part of computer?
Draw block diagram showing the main components of a computer.
