What is the internet?
Basic history of how the interrnet was born.
1960
Packet-Switching theory was tested.
1970
TCP/IP was developed.
1980
Dial-up and email communication was introduced.
1990
www, windows 95 and the url is used.
2000
Networking, the internet devices form LAN devices to wireless devices.
What is Networking?
Networking establishes a connection between two devices to interact each other.
What is Computer Networking?
A computer network is a collection of computing devices that are logically conneted together to communicate and share resources.
Elements of computer Networks:
Client: It is a computer hardware device that allows users to access data and a network.
Server: It provides a response to a request from a client computer over a network.
NIC (Network Interface Card): It connects a computer to a computer network. It is also sometimes reffered as a network adapter.
Network Cables: These are used to physically connects network together.
There are mainly three types of network cables:
- Fiber-Optic: Most common cables today, it transmits light instead of electricity.
- Coaxial: This is being replaced by fiber optics. It mainly used to connect cable TV modem to an internet service provider (ISP).
- Twisted Pair: This is the most common type of computer, teliphone, and a network cable. Also known as Ethernet cable.
Switch: It is a device that connect all the nodes of a network together.
Router: It is a network device that connects multiple network segments into one network.
Modem: A modem connects your home to the internet.