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ICT Course LowerSixth Science part 2

Chapter : 1 Classification according to functionality

III. Effect of the use of computer

1.Influence of health

Ergonomic is a science that studies people and computer the use in order to provide solution and guide lines and how to adapt this computer and to avoid injuries cause to people as a result of continuous use of such tools. Most common health problems associated with computers uses:

  • Injuries related to keyboard and mouse(sprains)
  • Flicke ring screen improper distance from the monitor(fusion in payment)
  • Improper sitting and inappropriate use of chairs that is problem with spines(due to the position of the computer, desk and chairs affect posture to close)
  • Improper use of artificial light, wide direction, this will also lead to vision in payment

Guidance on the work environment 

  • Local lightening
  • Monitor most be place in front
  •  Keyboard must be place in front
  • mouse must be located next the keyboard
  • chairs must be adjustable

Computer crime

This is any illegal activity the perpetuated with the use by the computer, example:

  • unauthorized access to a computer system
  • unauthorized modification, damages, or disclosure of information
  • development of viruses or introduction of viruses into a computer system
  • using a computer to defunds or still money or scamming
  • falsifying e-mail source information

Electronic services

1.E-mail

The transmission of text message via or through the internet, using attachments, users can exchange files like images, multimedia, documents etc….email address consist of user name, @sign and a domain name e.g. akismat@yahoo.com

2.E- commerce

Electronic commerce the buy and selling of goods and services through the internet. Many companies provide catalog of their goods and services on-line and take other on-lines.

 

3.E- learning (distance learning)

The advert of the network and internet has enable people to study and write exam to the internet

4.Video conferencing

The really meeting of people situated at different geographic areas with the use of sophisticated cameras

5.E-health

The delivered of medical services like consultation, diagnosis and operations through the internet

6.E-tanking

They allow users to have control over their account (view balances transaction), transaction from one account to another, credit payment, shopping Bouchers, for mobile phone. The benefits are saving time(which could otherwise the spend waiting in the lines, lower service fees access 24/7.)

7.E- governments

The use of information technology to provide better public access to government information. Therefore providing citizens with their human right to information.

8.Wiki

This is a collaborative web site that the members of a community can edit the content. Example: encyclopedia like Wikipedia

9.IM(instant messenger)

The service use for instant message exchange and real time communication. Beside textual communication and video conference, they aloud file transfer as well. Some of the popular IM services are; windows live messenger, scrip, Google.

10.V.I.P(voice over internet protocol)

The technology that enable digitalization and transfer of sound and multimedia session)over the internet. It enable sound communicate like a telephone called.

11.RSS(really simple syndication)

The set up web formats use by web pages that are being constantly considering that by using RSS, new information articles etc can be published. RSS enable us to use appropriate software, red new title and access ne summaries.

 

par Claude Foumtum


ICT Course LowerSixth Science part 2


Chapter : 1 Classification according to functionality


Chapter 3: TRANSMISSION MEDIA

CHAPTER 4: TRANSMISSION MODE

Chapitre 5 :COMPUTER CRIME