The Internet (Unit 4.1)
The Internet Video #1 Notes
- Computers and their users wanted to talk to each other
- They could do this through the internet, computer network
- Packet Switching: message or file is broken up into packers and sent in any order, then they are reassembled by the recipient’s device
- Path and Routing: how the sender gets to the receiver and the process of finding the path
- Bandwidth: max amount of data that can be sent in fixed amount of time on computer network (bits per second)
- Takeaway: how computer devices work together on a network
The Internet Video #2 Notes
- Packet: small amount of data sent over a network
- Protocols:
- Open Systems Interconnect
- Transmissions Control Protocol
- First goes through ethernet, then the message passes the message through until it hits the intended receiver
- Takeaway: how Internet works, how data is sent through packets, differences between Internet and World Wide Web
MCQ Grade:
Correction: Question 3, the World Wide Web is a info system that is accessed through the Internet, the Internet is a network of interconnected networks.