50% ICT 2014 Exam
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- 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
- advantages
- 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
- advantages
- 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.
- advantages
- 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
- advantages
- 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.
- disadvantages
- 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
- advantages
- 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.
- disadvantages
- 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.
- disadvantages
- 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
- advantages
- voice telephones
- communication methods
- 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
- advantages
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