Topic 3 - Home and Personal Communication Systems

Advantages of Wireless Communication

• You are not restricted to where you can work
• You can work whilst on the move
• Fewer/no trailing wires to trip over
• It is easier to keep a working space clean if there are not as many wires in the way
• No costs associated with sinking wires

 Disadvantages of Wireless Communication

• The danger of hackers reading messages
• There are areas where you cannot get a wireless network
• There may be danger to your health

POSSIBLE EXAM QUESTION

What is wireless technology? Discuss it's advantages and disadvantages.

Bluetooth

• Wireless keyboards and mice avoids clutter on your desk and makes the desk easier to clean
• Wireless handsets allowing you to use a mobile legally whilst driving
• Sharing data such as picture, voice, music and video wirelessly with others
• Printing a picture from your camera phone
• Listening to music using wireless earphones

Advantages of Bluetooth

• No wires are needed
• You can synchronize devices
• It is very easy to use

Disadvantages of Bluetooth

• Can only be used over short distances
• Relatively short bandwidth
• There are health concerns similar to the use of mobile phones

Geographical Information Systems (GIS)

• ICT system that is used to capture, manage, analyse and display geographically referenced information
• Satellite navigation systems are a type of GIS
• Route-finders are an example of GIS

Using GIS you can:

• Determine how far it is from one place to another
• See a birds eye view of your house and it's surroundings
• Plan the quickest route to school/college
• View the surroundings when you go to a new place or go on holiday
• Look at the surrounding area when you are thinking of buying or renting a new property