computer science 1.3.1

computer science 1.3.1

1. Network

   • managing computer
     • update software
   • data exchange
   • share resource
   • collection of connected computer
   • LAN
     • collection of computer connected over a small geographical area
   • WAN
     • collection of computer connected over a large geographical area
   • factors affect performance of networks
     • Bandwidth
       • how fast the internet
     • How many people connect the network

2. Client-server Model

   • The relationship between 2 computers in which one the client,makes aserver request from anaother

3. Topology

   • the physical and logical arrangement of nodes and connections in a network
   • Star Topology
     • all the devices are connected to a central server or switch
   • mesh Topology
     • each computer is connected to every other computer on the network

4. Peer-to-Peer Model

   • Computing devices use software to connect with each other over a private network

5. Network Hardware

   • NIC
     • It provides a connection between the device and the network
   • Router
     • It use to connect network together
   • WAP
     • It use to connect to switch and allow wifi devices to connect to network

6. DNS

   • A naming database in which internet domain names are located and translated into IP address

7. Web hosting

   • keep the website on server

8. Cloud

   • use to store files and allow to share them