Input & output michela spiteri
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Transcript of Input & output michela spiteri
![Page 1: Input & output michela spiteri](https://reader033.fdocuments.in/reader033/viewer/2022060123/5596fd1e1a28aba8778b45a9/html5/thumbnails/1.jpg)
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• One of the common and
widely used input device.
• The keyboard is divided into
different areas.
• The most common names
for keyboards is QWERTY.
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Advantages :
• A keyboard is usually supplied with computers
• People are used to using keyboards to enter data.
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Disadvantages:
• Mistakes are easily made
• Excessive use can lead to R.S.I
• Keyboards are not suitable for creating diagrams
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• The mouse is also one of the
most common input devices used.
• Also known as the pointing
device.
• Enables you to control what
happens on the screen and what
to point at.
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• Ideal for use with desktop
computers
• Users are familiar with the
mouse
• It is faster than using a
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• Overuse can lead to R.S.I.
• Is not accurate in drawings.
• Is not easy and convenient
to insert text.
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Inkjet Laser
Quiet Speed ( moves more quickly)
Fast Precision
Cheap Economy
Good quality Excellent quality
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Inkjet Laser
Ink may be smudged Expensive
Good quality paper needed Cartridges are quite expensive
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display resolution
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Advantages Disadvantages
Cheap CRT is abit more dull than LCD
Displays everything you are doing
Consumes a lot of power
communication
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