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3794908
Hardware
Descripción
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Sin etiquetas
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computer science
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Mapa Mental por
Amber Turner
, actualizado hace más de 1 año
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Creado por
Amber Turner
hace casi 9 años
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Resumen del Recurso
Hardware
Output
These get information out of the computer and tell the user what is happening within the computer
Printers
Uses to print text and images straight from the computer
Speakers
Output sound waves
Some computers have built in speakers
Input
Input Devices are used to control the system or provide it with data so it can work
The first computers used punch cards to input their data
Pieces of card which contained holes to represent binary digits
Some Examples
Keyboards
Concept Keyboards
These are used in shops where the user can select one option from a number of standard options
QWERTY Keyboards
QWERTY Keyboards are the most common used
Most common way of entering information into a computer
Ergonomic Keyboards
The keys are positioned in a certain way for maximum comfort
Reduces risk of RSI - "repetitive strain injury"
Mouse
Popular way of controlling computer
Uses sensors to track the position of the the mouse and this moves the pointer on the screen
Touchpad
Popular way to input on laptops when mouses may be inconvenient
Some people find it harder to use than a mouse
Tracker ball
Moves mouse by rolling the ball on top
Reduces RSI
Graphics Tablet
Used when controller needs fine control over the pointer
Can be used by graphic designers, architects and photo editors
Scanners
Barcode scanner
Used in shops, factories and manufacturing industries to read barcodes
Flat bed scanner
Used to scan images text from printed documents
Microphone
Record sound waves and convert analogue signals into digital signals which can be saved onto a computer
Some laptops have microphones built in
Sensors
Sensors constantly check their surroundings for specific signals
Some examples
Light sensors Proximity Sensors Pressure sensors Sound Sensors Motion Sensors Temperature sensors
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