Advertisements
Advertisements
प्रश्न
Explain the following.
Bar code/QR code Reader
Advertisements
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
Pick out the odd one.
Explain in detail above the applications of computer.
Name the parts of a computer.
Name the volatile memory.
______ output device is used for printing building plans.
Write the functions of the control unit.
Differentiate Input and output units.
Distinguish primary and secondary memory.
Name any three output devices.
Write the significant features of the monitor.
Explain the following.
Inkjet Printer
The ______ is used to move the pointer on a computer screen.
The page on the monitor can be moved up and down using the ______.
The output unit converts, command received by the computer in the form of ______.
Give some examples of input devices.
Give the uses of the right and left buttons of the mouse.
Name of types of monitors.
