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 Form 4 Mac Exam Section B Answer Scheme

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Admin
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PostSubject: Form 4 Mac Exam Section B Answer Scheme    Tue Mar 06, 2012 2:51 pm




Answers:
i. Advantages of ICT on society
- Faster communication speed.
- Lower communication cost
- People can share opinions and information.
- ICT can be borderless through Internet.

ii. Disadvantages of ICT on society
- Borderless information at time can be negative because it courage people to access pornography and violence web sites.
- Can cause low moral values.
- Created problems such as gambling, information theft and fraud.
- Computers can harm users if they use for long hours frequently.


Last edited by Admin on Tue Mar 06, 2012 3:09 pm; edited 2 times in total
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PostSubject: Re: Form 4 Mac Exam Section B Answer Scheme    Tue Mar 06, 2012 2:56 pm



Answers:
- Purchase goods with cash rather than credit card.
- Install personal firewall.
- Clear your history file when you are finished browsing.
- Fill in only necessary information on warranty and registration form.
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PostSubject: Re: Form 4 Mac Exam Section B Answer Scheme    Tue Mar 06, 2012 3:04 pm




Answers:

i. Hand geometry scanning, signature verification system, facial recognition, retina scanning, voice recognition
ii. Authentication deals with the problem of determining whether a user should be allowed access to a particular system.
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PostSubject: Re: Form 4 Mac Exam Section B Answer Scheme    Today at 12:49 am

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