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They are electronic components that emit light when electric current is passed through them.They are used as indicators for successful operations and warnings.
isaacmuthini answered the question on December 6, 2017 at 08:34
- List down six factors to consider when choosing an output device.(Solved)
List down six factors to consider when choosing an output device.
Date posted: December 6, 2017. Answers (1)
- List down the examples of following printers (i) Character printers (ii)line printers (iii)Page printers(Solved)
List down the examples of following printers
(i)Character printers
(ii)line printers
(iii)Page printers
Date posted: December 6, 2017. Answers (1)
- List down the examples of impact and non impact printers.(Solved)
List down the examples of impact and non impact printers.
Date posted: December 6, 2017. Answers (1)
- Define the following terms associated with computer monitor.Pixel,resolution,video graphic adaptor,monochrome monitor,color monitor(Solved)
Define the following terms associated with computer monitor.Pixel,resolution,video graphic adaptor,monochrome monitor,color monitor
Date posted: December 6, 2017. Answers (1)
- Differentiate between impact and non-impact printers(Solved)
Differentiate between impact and non-impact printers
Date posted: December 6, 2017. Answers (1)
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State the types of plotters
Date posted: December 5, 2017. Answers (1)
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State and explain the various types of flat panel display monitors
Date posted: December 5, 2017. Answers (1)
- State and explain two main technologies used to make monitors.(Solved)
State and explain two main technologies used to make monitors.
Date posted: December 5, 2017. Answers (1)
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What is computer monitor?
Date posted: December 5, 2017. Answers (1)
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Differentiate between softcopy output and hardcopy output.
Date posted: December 5, 2017. Answers (1)
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What is a joy stick?
Date posted: December 5, 2017. Answers (1)
- List down the advantages and disadvantages of barcode reader(OBR)
(Solved)
List down the advantages and disadvantages of barcode reader(OBR)
Date posted: December 5, 2017. Answers (1)
- Define MICR and state its use.(Solved)
Define MICR and state its use.
Date posted: December 5, 2017. Answers (1)
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What is a webcam?
Date posted: December 4, 2017. Answers (1)
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What is a digital camera?
Date posted: December 4, 2017. Answers (1)
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Differentiate between OCR and OMR.
Date posted: December 4, 2017. Answers (1)
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Distinguish between two main categories of scanning devices.
Date posted: December 4, 2017. Answers (1)
- Highlight 3 differences between a keyboard and a keypad.(Solved)
Highlight 3 differences between a keyboard and a keypad.
Date posted: December 4, 2017. Answers (1)
- State the major classifications of input devices.(Solved)
State the major classifications of input devices.
Date posted: December 4, 2017. Answers (1)
- What are input devices?(Solved)
What are input devices?
Date posted: December 4, 2017. Answers (1)