Computer Science 1033A/B Lecture Notes - Lecture 7: Computer Network, Internet Service Provider, Network Congestion

• School: Western University
• Department: Computer Science
• Course: Computer Science 1033A/B
• Professor: Laura Reid

Document Summary

Server vs. clients: web server computer that delivers (serves) web pages, client computer that is requesting to see/visit the web page, many clients visit one web server, advantages of a web server. Connected on all the time and connected to the internet. Well maintained security and maintenance issues taken care of. How long will it take an image to download if we are using it in a webpage: if the client is using high speed connect at 1500 kilobits/second. 33 seconds: if the client is on a modem that is 56 kilobits/second. 860 seconds/14. 33 minutes: on a really old modem that is 28. 8 kilobits/second. Computer network: network a group of interconnected computers (wires, wireless, satellites) Internet global system of interconnected computer networks that use the standardized internet protocol suite to serve billions of users worldwide: network of networks, hardware, not a software (www is a software that runs on. Rules for the format and transmission of data.