Range of ICT app_v4

ICT in Entertainment
1. Music Industry
  1. Sound effect
  2. sound format - Since there are many ways to produce music, there are also many methods to store music
    1. Compressed audio format
      1. Example: MP3 is a compressed file format. When an original audio file is produced, the file size is very big because it contains all the details of the music. By setting the bit rate, the creator can specify how many kilobits the music will be used to convert into mp3
    2. Uncompressed audio format
2. Filming Industry
  1. Technology
    1. Chroma key(Greenscreen) - A special effect technique where 2 videos are superimposed on each other to produce special scenes
    2. Avar - to control the part of an animated character (e.g. control changes in a facial expression)
    3. 3D rendering - to produce more realism - generating a 3D image from a given 2D model by the use of software
    4. Key frames - drawings that define the starting point and end point for smooth transition in animation
    5. generating intermediate frames between two images to give the appearance of movement
ICT in Education
1. Computer Aided Learning(CAL)- Computer based learning or computer aided learning refers to using computer in delivering content or assessment
  1. Advantages
    1. Students can learn at their own pace
    2. Students can save travelling time
    3. Students can get instant feedback on quiz
  2. Disadvantages
    1. Teachers cannot give personal attention to students
ICT in Daily life
1. Online Banking
  1. To withdraw or check money e.g. ATM machine
    1. Online banking services such as paying bills online and money transfer
2. E-Commerce
  1. Buying and selling something online e.g. online payment
  2. Advertising e.g Billboards and magazines
ICT in Hospital
1. Expert system
ICT in Industrial and Scientific Use
1. Weather forecasting
  1. Instruments : Data-logger, Satellite , Weather baloon
    1. Data collected are : Humidity , Wind speed , rainfall , temperature
      1. Super computer is used to perform calculation and generate complex model for weather prediction
        How is weather collected ? ; Weather data is collected from sensor at weather station , weather balloons and satellite. The data is sent to centre for analysis
        How does the computer make weather prediction based on new weather data? : When new weather data is received , the weather data is compared with the existing known weather data. The computer makes the prediction through calculation
        How does the weather data is shown to user? : Weather image is superimposed on map . The weather image can represent the cloud movement , temperature , rainfall.
        ADVANTAGE : Can see storm and hurricane movement , Can see more complete picture of the weather
2. Computer-aided Design (CAD)
  1. Widely used in building design, car design, interior design because the drawing can be viewed in 3D and able to link to CAM ( computer-aided manufacture)
    1. HARDWARE: High resolution monitor to view the design , Plotter to print a full-size drawings , Light pen to draw on the screen
      1. FEATURES IN CAD : Can view the drawing in 3D , Can enlarge or reduce the drawing easily , Can add colour to the drawing , Can perform some calculation on the drawing
        Advantages : The drawing can be done in 3D views , Users can modify the design easily , Users can enlarge and reduce the design
        Disadvantages : Need a computer with high processing power , Need a large and high resolution monitor to view the design
ICT in Communication
1. Email - Electronic Mail
  1. Allow user to send text and images from one computer to another using internet or computer network
  2. Advantage:
    1. Can attach files as attachment
      1. The delivery of email is instant
        Multiple copies of e-mail can be sent to a group of people
    2. Disadvantages
      1. E-mail spamming and scam is a problem
        Users may not get immediate response
2. Tele/ video conferencing
  1. Tele confrencing: Allows people in different locations to talk to each other as a group
    1. Video conferencing: similar except they can see each other
      1. Both allows meeting with two or more people using computer network to transmit audio and video
  2. Advantage
    1. Save travelling time as users do not need to travel
      1. Save travelling cost
        Company save office space for meeting
    2. Disadvantages
      1. A reliable and fast internet connection is needed
        Both parties must agree on common time due to different timezones
    3. Hardware needed: webcam, microphone, speaker
      1. Software needed: compression and decompression software
        Internet Technology
        Advantages
        Vast amount of information available
        Provides many ways to communicate with each other
        Technology that allows users to connect to internet
        Dial-up
        Allows connection using phone line
        Broadband
        uses fibre or cable as communication links
        Advantages: -transfer rate is faster
        -Always "on"
        WiFi
        A communication technology that uses radio waves
        connects to the local are network through the base station
        Advantages
        No wire needed
        Move around freely within the range
        DIsadvantages
        Signals becomes weak when there are obstruction
3. VoIP: Voice Over Internet Protocol
  1. Technology that allows users to make telephone calls over computer network such as Internet Broadband
    1. Example: Skype
  2. Advantages
    1. The cost is cheaper or free
      1. Incoming call can be show
        Possible for video to transmit using digital phone
    2. Disadvantages
      1. The quality of the voice may be affected depends on broadband usage
        Need to have broadband connection
4. IRC (instant Relay Chat)
  1. IM (Instant Messaging)
    1. Technology that allows real-time messaging
      1. Example: MSN
  2. Advantages
    1. Can send text, video and files instanty
      1. Can message two or more people at the same time
ICT in Robotic / Game
1. ICT in game
  1. virtual reality
    1. A simulated 3D environment
      1. requires data goggles,data gloves
        Can be used in games, viewing of houses, simulator or medical treatment
  2. Simulation
    1. It resembles a real life system through the use of models
      1. Mainly to predict a system's behavior under certain conditions
        For example, BOTs in game, OPEN source physics and ASCEND
2. ICT in robotic
  1. Domestic use
    1. The microwave scans the barcode of the food
      1. After scanning, the microwave will set the right timing and temperature to cook it
        However, it is not able to detect if the food is cooked perfectly
  2. CCTV
    1. Detects intruders by comparing image of surrounding with one stored in the system
      1. If there is movement, the image will be different and there will be alarm
  3. Industrial robot
    1. A robot is a device that has a control system performs certain task based on feedback given
      1. Advantage
        It can work 24/7 and all year round
        It can work in a dangerous environment
        It produces less error
      2. Disadvantages
        If the robot malfunctions, the whole system is down
        It is expensive to develop

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Range of ICT app_v4

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