CMPT 165 Study Guide - Comprehensive Final Exam Guide - Cascading Style Sheets, Uniform Resource Locator, String Instrument

• School: Simon Fraser University
• Department: Computing Science
• Course: CMPT 165
• Professor: Ying Tang

Document Summary

Involves understanding what was coded: takes digital signals from a computer and codes it into electronic signals >encoding, decoding is the opposite > electronic to digital signals. Upload vs. download: refers to the direction of information flow. I make a request from a server and i ask data from it - that"s a download: an email attachment is a download, saving data or sending data - download is saving, upload is sending. It may travel through other computers before it gets to your computer: the server retrieves the file on it"s hard drive and sends it off. Protocols: a set of rules - can be anywhere (work rules, etc. ) Ip = internet protocol - helps relay data between computers - essentially an address: when mailing something you need an address for the destination of the mail. Internet uses ip as the address for data to be sent to: which path to take to your computer/server.