networks hardware and commercial usage

networks hardware and commercial usage

1. ict network consists of routers, switches, and hubs

   • network software
   • data transfer media were fibre optic cable and metal.

2. data transfer media

   • data transferred in network is
     • metal wire, fibre optic cable and wireless

3. communication devices

   • prepares data for sending over the network
     • sends the data
       • controls the flow of data

4. communication devices

   • join computers in a network
     • connection of cables
     • sharing of files and internet access

5. communication devices

   • more intelligent
     • data to decide where it should go
     • reduces number of packets of data on the network it speeds it up

6. communication devices

   • wired or wireless
     • join several networks together
     • connect several computers in the home to the internet

7. network software

   • specialist operating systems designed specifically for networks
   • used to help a network manager run a network by keeping track on software up to date
   • security patches helping to manage the help desk etc.

8. POS point of sale sustems

   • pay for goods at shop or store
   • use network to automatically record stock levels
   • what are selling out

9. pos hardware

   • bar code reader reads the code
   • keyboard use to enter codes if damaged
   • touch screen swipe card readers chip and pin readers

10. POS networds

    • payment systems customers pay via credit or debit cards
    • loyalty stems, customers are given points deepening on how much they spend
    • automatic stock control systems knows what is sold.

11. network advantages

    • can share hardware, just one printer share it
    • software installed one place needed every system
    • improved security work saved on network network manager backs up
    • cost schools can save money on network versions

12. network disadvantage

    • network manager needed can be expensive
    • security problems, virus can get on the system and effect all items
    • breakdown problems, network brakes can have an effect on all computers
    • expensive servers and cable and other devices installed cost also issue