networks

networks

1. ADVANTAGES OF NETWORKS

   • CONSISTENT USER EXPERIENCE-YOU CAN LOG ON TO ANY COMPUTER IN THE SCHOOL WITH A USERNAME AND PASWORD
   • YOUR FILES ARE AVAILABLE ON EVERY COMPUTER YOU USE, EVEN IF YOU CREATED THEM ON A DIFFERENT COMPUTER
   • YOU CAN PRINT, USE THE INTERNET,EMAIL AND USE THE SAME SOFTWARE ON ANY COMPUTER

2. BUS TOPOLOGY

   • THE NETWORK CONSITS OF A SINGLE CABLE THAT RUNS THROUGH THE NETWORK
     • ALL DEVICES ATTACH TO THIS SINGLE CABLE
       • WHAT IF TWO COMPUTERS TRY TO COMMUNICATE AT ONCE.

3. STAR TOPOLOGY

   • ALL COMPUTERS ARE CONNECTED TO CENTRAL SWITCH .
     • THE SWICH DIRRECTS THE TRAFFIC TO THE APPROPRIATE COMPUTERS

4. DISADVANTAGES OF NETWORKS

   • IT REQUIRES A CERTAIN WEALTH TO JOIN A COMPUTER NETORK
     • DISTUPTION S CAN OCCUR FREQUENTLY

5. IP ADDRESS

   • AN IP ADDRESS IS A UNIQUE VALUE ASSIGNED TO EVERY COMPUTER
   • SO THAT MESSAGES CAN REACH THE RIGHT DEVICES

6. RING

   • A RING TOPOLOGY IS WHERE COMPUTERS ARE CONNECTED TO EACH OTHER IN A RING
   • ADVANTAGES : IT IS CHEAP . COLLISION DOES NOT HAPPEN
   • DISADVANTAGES: HIGH CHANCE OF CATASTROPHIC FALAIR. HARD TO ADD ANOTHER COMPUTER TO IT.

7. WAN

   • WIDE AREA NETWORK, OFTEN CONSIT OF A FEW LAN AND COVERS WIDE GEOGRAPHICAL AREAS.

8. LAN

   • A LOCAL AREA NETWORK, CONTAINING A SINGLE GEOGRAPHICAL AREA OR ORGANISATION