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684765
Input Devices
Description
Computing
No tags specified
gcse
Mind Map by
izzykersley01
, updated more than 1 year ago
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Created by
izzykersley01
over 10 years ago
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Resource summary
Input Devices
Keyboard
Advantages: easy to use, little training, come with computer
Disadvantages: easy to make mistakes, possible R.S.I, difficult to use for disabled users
Mouse
Advantages: ideal for desktop computers, little training, comes with computer
Disadvantages: possible R.S.I, requires a flat space near computer
Touchpad
Advantages: useful alternative to mouse, fixed position, short finger movements
Disadvantages: gloves cannot be worn, sensor affected by liquid
Joystick
Advantages: better gaming experience
Disadvantages: requires more skill to use, can easily break
Concept Keyboard
Advantages: faster access to certain areas, waterproof
Disadvantages: limited to options on keyboard, poor for numerical/text input
Touch Screen
Advantages: easy to use, no extra hardware (like a mouse) needed, software can alter what is on the screen
Disadvantages: not always accurate, more expensive, tiring, not robust
Scanner
Advantages: accurately produce high quality images, image/text can be used in electronic documents
Disadvantages: take up a lot of memory, possible loss of image quality, (dependent on original quality of image)
Graphics Tablet
Advantages: more natural images can be draw with accuracy
Disadvantages: expensive, not useful for general selection work
Microphone
Advantages: input sound easily, quicker input of data
Disadvantages: words can be interpreted incorrectly, quality of sound depends on background noise
Webcam
Advantages: can already be built into computer, new ways of communication, security
Disadvantages: not always good quality image
Barcode Reader
Advantages: all changes to product uploaded to a database, quick access to data
Disadvantages: potential misinterpretation of data
Optical Mark Reader (OMR)
Advantages: fast, only one computer needed, more accurate
Disadvantages: not always read correctly, not suitable for text input
Biometric Devices
Advantages: accurate, difficult to hack (finger print needed), quick
Disadvantages: possible misread data
Sensors
Advantages: automatic, detect physical quantities outside computer
Disadvantages: must have an Analogue to Digital Converter (ADC) to work
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