CIS 1200 Study Guide - Final Guide: Surge Protector, Systems Development Life Cycle, Email Spoofing

• School: University of Guelph
• Department: Computing and Information Science
• Course: CIS 1200
• Professor: John Saville

Document Summary

Telephony: the use of equipment to provide voice communications over a distance. ex, cell phones, smart phones, voip. A phone that operates over a wireless network. They offer internet, texting, personal info management etc. *the most fully featured and powerful are considered smartphones. Analog-to-digital converter chip: converts a voice"s sound waves into digital signals. Digital signal processor: compresses the data so that the digital signals will be transmitted more quickly. Base transceiver station: a large communication tower with antennas, amplifiers and receivers/transmitters. When you place a call on a cell phone, a base station picks up the signal. The station then passes the signal onto the. Cell phones and smartphones can be considered to be little computers. Primary input device for cellphone: microphone and keypad. Primary output device for cellphone: speaker and a lcd. Synchronizing: the process of updating data so that the files on different systems are the same.