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INPUT DEVICE (READING DEVICES :evices that can capture data directly from…
INPUT DEVICE
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SCANNER : reads printed
text and graphics and then translates the
results into the form the computer can
process.
• Flatbed
– Scanning mechanism passes under the item to be
scanned, which is placed on the glass surface.
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• Pen or handheld
– Move pen over text, then transfer data into
computer.
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KEYBOARD : device that contains keys that users can press to enter data and instructions into a
computer.
• Wireless Keyboard
– Transmits data to the system unit using wireless
technology, such as bluetooth, or infrared.
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PEN INPUT : used to write, draw and tap on the
flat surface such as screen of mobile phone,
tablet or signature capture pad.
• Digital pen
– Slightly larger than a stylus, pressure sensitive,
and provide more functionality such as electronic
erasers and programmable buttons.
• Stylus
– A small metal or plastic device that looks like a
tiny ink pen but uses pressure instead of ink.
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