Lesson 3 Flashcards
– a number assigned to any item that is connected to the Internet
IP Address
– the service that translates URLs to IP addresses
DNS (Domain Name Service)
– an easy-to-remember address for calling a Web page
URL (Uniform Resource Locator)
– a group of computers and servers that are connected to each other
Internet
– computers that exist only to provide things to others
Servers
– a connection that uses light to transmit information
Fiber Optic Cable
– a wireless method of sending information using radio waves
Wi-Fi
– a method of sending information using telephone or television cables
DSL/Cable
– small chunks of information that have been carefully formed from larger chunks of information
Packets
Every message we send through the Internet gets chopped up and each piece is wrapped in its own version of an envelope. We call those
Packets
Even if you’re sending messages to another person, they first have to go to at least one “.”
server
A. is a special computer that is supposed to be always on and ready to send and receive information.
server
Servers don’t have names. They’re actually addressed using numbers. These numbers are called
IP addresses.