50% ICT 2014 Exam

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  • Created by: pixar
  • Created on: 13-05-14 17:04
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  • ict 50% GCSE exam may 2014
    • communication methods
      • voice telephones
        • advantages
          • can hold conversations
          • calls can be taken at a fixed location (landlines)
          • calls can be taken at any geographical location (mobiles)
          • can leave voice messages
          • smart/mobile phones have more functions  (e.g can send images during a call)
        • disadvantages
          • if you have a bad signal on a mobile or smart phone you can not call anyone
          • landline calls will not always be answered
          • time differences may not be considered whilst in a call
      • SMS (short messaging service)
        • advantages
          • cheap usually in phone packages
          • short messages can be sent
          • can quickly connect many people around the world
        • disadvantages
          • only short messages can be sent
          • can be difficult to type on a phone keypad
          • message may not be delivered if phone network is down
      • Email
        • advantages
          • you can email more than one person at once
          • effective at providing quick answers to questions
          • a range of attachments can be sent wiht the email e.g images, videos, sounds
          • can be accessed on any device which has internet
          • Employees’ and customers email addresses can be stored
        • disadvantages
          • email can become impersonal or misunderstood
          • emails can be sent to the wrong person if address is wrong
          • people may not receive the email due to no internet connection or filters on email settings
          • attachments can contain viruses
          • Email accounts can get hacked with spam being sent to all contacts.
      • instant messaging
        • advantages
          • Messages are sent in real?time and replies are sent instantly
          • Files/pictures can be sent in instant messaging conversations
          • it can be like talking to a person face to face
          • you can talk to many people at once
        • disadvantages
          • emotions can't be expressed unlike talking to someone in person
          • people can insert viruses to files or pictures
      • chat rooms
        • disadvantages
          • information supplied by users may be false
          • can be very addictive
          • you don't know who your talking to
        • advantages
          • brings people together who are interested in a similar topic
          • Users may not have the opportunity to interact in the real world due to, for example, remote location.
      • bulletin boards
        • advantages
          • any registered users can comment on the posts
          • any registered user can view the posts
          • can get a fast response to a question
          • For general discussion on topics, interesting and useful comments can be given
        • disadvantages
          • because any user can comment you may get wrong answers
          • has to be monitored by a trusted person
      • video conferencing
        • disadvantages
          • Time zones may be different if people are in different parts of the world
          • the system may crash or fail
          • people may need training to use the equipment
          • someone might have to be employed to maintain the equipment
          • everyone has to have the equipment to be in a conference
        • advantages
          • people don't have to travel to meetings
          • fuel and travel costs reduced
          • better fo rthe enviroment
          • people in the conference can be at different locations
          • Video?conferencing can be carried out using VoIP services such as Skype and Google Talk.
      • voice over internet protocol (voip)
        • disadvantages
          • PC to voice phone calls are expensive
          • no service during a powercut
          • Poor or limited internet connection can affect the quality of the sound of the call,
          • Using a PC at the same time can reduce the quality of the call.
        • advantages
          • pc to pc calls are free with broadband connection
          • calls can be made anywhere there is a broadband connection
          • Lots of features such as call forwarding, call waiting, voicemail, caller ID and three?way calling.
          • pictures and documents can be sent during the call
          • Examples of VoIP services include Skype and Google Talk. These services also allow video?conferencing.
      • webcams
        • advantages
          • used on video conferences
          • allows real time face to face personal interaction
          • allows people to talk from aroud the world with good connection and right equipment
          • can reduce travel expenses
          • objects and charts can be shown
        • disadvantages
          • can be expensive to buy advanced features
          • Does not fully show human reactions to what is being said or shown
  • SMS (short messaging service)
    • advantages
      • cheap usually in phone packages
      • short messages can be sent
      • can quickly connect many people around the world
    • disadvantages
      • only short messages can be sent
      • can be difficult to type on a phone keypad
      • message may not be delivered if phone network is down

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