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Overview
User Interaction Methods are the ways people communicate and control computer systems and digital devices.
These methods allow users to give instructions, enter data, and receive feedback from devices such as smartphones, tablets, laptops, and desktop computers. Different methods suit different needs and situations.
Gesture control uses body or hand movements to operate devices without touching them.
Keyboards are used to type text and commands quickly and accurately.
Mouse devices let users move pointers and select items on a screen with precision.
Touch screens make it easy to tap, swipe, and zoom directly on the display.
Voice commands allow users to speak to control systems or search for information.
Understanding these methods is important for choosing the right one for different tasks, improving accessibility, and creating user-friendly systems that work for everyone, regardless of ability or preference.
What You Need to Learn
What You Need to Learn
First facial recognition vans deployed in Leeds
Police in West Yorkshire have started using live facial recognition (LFR) technology for the first time, deploying special vans with cameras on Briggate in Leeds. The system scans people’s faces and compares them to a police watchlist to help identify wanted suspects, missing persons, and victims of crime. Police say this will help to keep communities safe and support crime prevention.
However, privacy campaigners have raised strong concerns. Critics argue that scanning everyone’s face without cause is a threat to privacy and human rights. There are also worries about racial bias, as previous tests in London wrongly identified many innocent people, particularly black individuals.
Supporters say LFR can help police catch offenders quickly, protect shop owners, and reduce retail crime. Others believe the technology could help find dangerous individuals and make communities safer, especially during busy times like Christmas shopping.
The Information Commissioner’s Office (ICO) has reminded police that they must use the technology in a fair, lawful, and proportionate way under data protection law.
Discussion Point
Should police use facial recognition technology in public spaces to help fight crime, even if it means scanning everyone’s face without their permission?
https://www.bbc.co.uk/news/articles/cz7p2xnlyzzo
User Interaction Methods
User Interaction Methods
🖐 Gesture
🖐 Gesture
Control devices with hand or body movements
Often used in gaming, VR, and motion-sensing systems
⌨ Keyboard
⌨ Keyboard
Input text, numbers, and commands
Ideal for typing and programming tasks
🖱 Mouse
🖱 Mouse
Move a pointer and select items on-screen
Useful for precise control in design or navigation
📱 Touch
📱 Touch
Tap, swipe, pinch, and zoom directly on the display
Found in smartphones, tablets, and ATMs
🎤 Voice
🎤 Voice
Speak commands or questions to a device
Useful for accessibility and hands-free control
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