Posts

Image
WHAT IS NETWORK TOPOLOGY? The arrangement of the various elements(links, nodes, etc) The layout of the connections (links, nodes ,etc ) of a computer network. TYPES OF TOPOLOG   Physical topology  The actual layout the  computer nodes  in the  network.   Logical topology A concept in networking  that defines architecture  of communication  mechanism for all nodes  in a network TYPES OF NETWORK TOPOLOGY BUS NETWORK TOPOLOGY     In bus topology, there are central cable (the main wire) that connects all devices in the network. It is usually known as the backbone of the network. The cable connects one devices by using a T-connector that can be connected to the computer network adapter cards ADVANTAGE OF BUS TOPOLOGY Bus network are not expensive and easy to install It is not difficult to connect a computer or device to the Bus It usually does not require a lot of cabling Failure of...

History of the INTERNET

Image
   " INTERNET " is the name literally derived from 'interconnection of the computer networks'. The internet started off in the 1960's under the original name of 'ARPAnet'. ARPAnet was originally a research project in the US military for maintaining communications in case of a possible nuclear strike.     Later on, ARPAnet grew to become a civilian experiment for connecting university mainframe computers for academic purposes. With the personal computer (PC) becoming the in-thing in the 1980's and 1990's, the Internet started to grow exponentially.MOre and more users wanted to get their computers connected to the massive network.     Today,the Internet has grown into a public 'spider web' whereby millions of personal, government, and commercial computers, are all connected either by wired or wireless means. There are technical rules/policies for the hardware and the software standards to ensure users can plug their machines into the Intern...

The evolution of the internet

Image