Input & output michela spiteri

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  • Any machine that feeds data into a computer is known as an input device.
  • Any machine that feeds data into a computer is known as an input device. Such as a keyboard , mouse , joystick , scanner , camera , microphone.
  • Some output devices are monitor, speaker, printer, headphones and printer .
  • Input & output michela spiteri

    1. 1. .
    2. 2. • One of the common and widely used input device.• The keyboard is divided into different areas.• The most common names for keyboards is QWERTY.
    3. 3. Advantages :• A keyboard is usually supplied with computers• People are used to using keyboards to enter data.
    4. 4. Disadvantages:• Mistakes are easily made• Excessive use can lead to R.S.I• Keyboards are not suitable for creating diagrams
    5. 5. • 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.
    6. 6. • Ideal for use with desktop computers• Users are familiar with the mouse
    7. 7. • Overuse can lead to R.S.I.• Is not accurate in drawings.• Is not easy and convenient to insert text.
    8. 8. Inkjet LaserQuiet Speed ( moves more quickly)Fast PrecisionCheap EconomyGood quality Excellent quality
    9. 9. Inkjet LaserInk may be smudged ExpensiveGood quality paper needed Cartridges are quite expensive
    10. 10. display resolution
    11. 11. Advantages DisadvantagesCheap CRT is abit more dull than LCDDisplays Consumes a loteverything you of powerare doingcommunication

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