ITM 100 Lecture Notes - Lecture 7: Digital Subscriber Line, Domain Name System, Personal Area Network

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 100
• Professor: Sui Sui

Document Summary

4g networks: networks with much higher speeds: 100 megabits/second download, and 50 megabits upload speed. Bandwidth: a range of frequencies that can be accommodated on a particular telecommunications channel. Blog: a personal web site typically contains a series of chronological entries by its author, and links to related web pages. Bluetooth: the popular name for 802. 15 wireless networking standards, which is useful for creating small personal area networks. Broadband: high-speed internet connections provided by telephone and cable tv companies running up to 15 000 kilobits. Cable internet connection: provided by cable television vendors, uses digital cable coaxial lines to deliver high speed internet access to homes and businesses. Chat: enables two or more people who are simultaneously connected to the internet to hold live, interactive conversations. Digital subscriber line (dsl): technologies operate over existing telephone lines to carry voice data, and video at transmission rates ranging from 385 kbps to 40 mbps depending on usage patterns and distance.