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connectivity
- deep sea cables
- the most connections are in ammerica- europe and america-china
- There are many connections beacause many similar
interests and business
- There are many connections beacause many similar
interests and business
- different colours show direction of flow
- placed close to shore and shallow areas
- the most connections are in ammerica- europe and america-china
- bandwith
- is also the amount of data that can be
transmitted in a fixed amount of time
- characterized as network bandwidth,
data bandwidth, or digital bandwidth
- is also the amount of data that can be
transmitted in a fixed amount of time
- connection speed
- speed that data is transferred
between your device and the
internet
- two types of connection speed
- Download speed or receiving speed
means the rate that information travels
from the internet to your device
- viewing a web page
- downloading a program
- or recieving an email
- viewing a web page
- Upload speed or send speed means the rate
that information travels from your device to
the internet
- sending an email
- at school upload is higher than download
- sending an email
- Download speed or receiving speed
means the rate that information travels
from the internet to your device
- speed that data is transferred
between your device and the
internet
- Broadband
- broadband is wide bandwidth data
transmission which transports multiple
signals and traffic types
- broadband is wide bandwidth data
transmission which transports multiple
signals and traffic types
- media used for connection
- fibre optics
- expensive
- very expensive to
install
- delicate
- delicate
- very expensive to
install
- a much greater bandwidth
- expensive
- coxial cable
- advantages
- sufficient frequency range to
support multiple channels
- sufficient frequency range to
support multiple channels
- disadvantages:
- It is bulky.
- It is expensive to install for longer distances due
to its thickness and stiffness.
- As single cable is used for signal
transmission across the entire
network, in case of failure in one
cable the entire network will be do
- It is bulky.
- advantages
- Twisted pair
- advantages
- advantages
- copper cables
- cheap
- not that fast
- expensive
- cheap
- fibre optics
- wireless
- cheap because no cables
- easy to set up
- link devieces
- access everything anywhere
- less secure than cables
- there may be interferences
- there may be interferences
- slower
- cheap because no cables
- buffering
- an area of memory used for temporary storage
data when a program or hardware device
needs an uninterrupted flow of information
- an area of memory used for temporary storage
data when a program or hardware device
needs an uninterrupted flow of information
- quiz answers
- internet providers give priority to downloading because most users
spend more time downloading
- internet providers give priority to downloading because most users
spend more time downloading
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