Scientific Applications

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Scientific Applications
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Use of Computer

• Enable researchers to get world -wide information
  from internet
• simulate complex situations
• monitor complex situations
• analyse a huge amount of data

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Examples

• Monitoring of Nuclear Plant
• require most advanced computers to provide
  instantaneous results.
• Immediate alert is vital to save lives and reduce
  amount of pollution.

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• Data Logging and Control
• always used in research laboratories
• use computer to monitor and log data
  automatically
• control extra peripheral equipment attached to
  the computer

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• Simulation
• The process of imitating a real phenomenon with a
  set of mathematical formulas.
• Based on large amount of data
• Advanced computer programs can simulate weather
  conditions, chemical reactions, atomic reactions,
  even biological processes.

Example
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Conclusion

• Advantages of using computers in science
• more accurate
• higher efficiency
• reduce the cost needed
• easy to handle the data collected

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Educational Applications
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Multimedia

• It means to transfer information through more
  than one medium at a time.
• It inlcudes
• Text
• Pictures
• Sound
• Animation
• Video

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Computer Aided Learning (CAL)

• It is a piece of software that helps learning a
  particular subject.
• Usually includes
• a tutorial program which guide users to go
  through the basic terms and concepts.
• a simulation module to let users to have the
  virtual experience of real experience
• a test bank to help consolidate the materials

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Computer Aided Learning (CAL)

• Commonly accessible from CD ROM discs
• Example
• Encarta Encyclopedia
• Physics 2000 CAL Programs

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Physics 2000 CAL Program
A multimedia book explaining the details of a
compact disc by animation
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Computer's Interactive Encyclopedia includes
animation, sounds, videos, and beautiful graphics
to engage the viewer. The encyclopedia covers a
wide range of topics from bird songs to chemical
processes.
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Advantages?
Disadvantages?
Please complete the table on your worksheet!
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• Advantages
• Active Learning (Self-learning)
• Can study at home
• Attractive, Interesting and Progressive
• Students can learn at their own pace
• Disadvantage
• No supervision
• Cant due with students emotional problems

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Web-based Learning

• Not limited by time and place
• Students can access a global source of
  educational resources through internet connection
• Role of teacher changes to information facilitator

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Self-learning of Tsang-jei Input
Method (http//www.chinesecj.com/)
Self-learning of Excel 2000 (http//elearning.hked
city.net/iLearning/student.php)
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Other Applications
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Household Applications

• Embedded System
• An embedded system is a system dedicated to one
  specific task.
• It helps controlling the appliance to give the
  best performance automatically under different
  situations..

Example In a washing machine, it helps
controlling the washing, drying cycle and choose
the best treatment to different kinds of clothes.
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• Computerized Home
• computerized home management system hooks up
  various home systems.
• can help safeguard a home, answer phone calls,
  control temperature, etc.

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• Computer Game
• Computer game is one of the most common uses of
  computers at home.
• Great variety

• Movie Production
• Merge live action with animation
• computer generated scene
• create special effects

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• Medical Applications
• Doctors can make use of medical expert system to
  making diagnosis and deciding treatment plan
• Doctors can connect their computer systems to
  faraway hospitals and clinics to confirm
  diagnosis of usual cases.