UNIT 1 Flashcards
Wireless uses with advantages and disadvantages.
Connect to Internet on public places. Used in home with wireless router. Fewer restrictions where high speed Internet connection is available. Work in WiFi hotspots or home. No wires. Easy for hackers to access data. Research into health risks.
What is information
Data that has been processed to give it meaning.
Briefly describe webcams and uses.
Communication, may contain microphones. Used in augmented reality games allowing you to see yourself on screen while interacting with computer generated characters and objects.
Interactive TV features with advantages and disadvantages.
Betting on sport events. Winnings paid to account directly. Addictive, spend more using card than they would cash. Dating. Shy people feel less embarrassed when not face to face. People may not be who they say they are.
What is GiGo
Garbage in Garbage out. If something wrong is put as input and processed then something wrong will be the output.
What is a Web cam used for.
To transmit still photos and videos across the Internet.
Disability devices.
Braille keyboard, microphone, vrs, text to speech, touch sensitive screens, customised de.
Benefits if data logging
Accurate, can’t make mistakes, can’t forget to take reading,at any time.
Mobile phone services.
Browsing Internet, digital photography, sending mms and email, download music, steaming radio stations.
Each sensor and uses in weather.
Temp to record temp outside and wind to measure force of wind. Pressure for atmospheric conditions and humidity for moisture in atmosphere. Rain got rainfall.
Output of photography.
Camera screen, mobile phone screen, computer monitor, printer and digital photo frames.
What can you change in a desktop environment.
Icons larger, adjust size of windows, change screen resolution, change colour scheme, change graphics eg wallpaper. Change contrast and volume.
