MGCR 331 Lecture Notes - Lecture 8: Trackball, Flash Memory, Mainframe Computer

• School: McGill University
• Department: Management Core
• Course: MGCR 331
• Professor: Richard Donovan

Document Summary

Implement /client server with ood (object-oriented design) techniques (uses inheritance, polymorphism, encapsulation) Personal digital assistant (pda) - small hand held device the combines computing, telephone/fax, internet and networking features. Notebook computer- a fully functional computer designed to be carried around a run on battery power. Desktop computer- the most popular choice for personal computing needs. Mainframe computer- designed to meet the computing needs of hundreds of people in large business environment. Supercomputers- the fastest, most powerful, and most expensive type of computer. From a hardware perspective, computers work with bits and bytes. Computers use electrical pulses to have two states: on and off. Binary digit (bit) - the smallest unit of information, either 1 or 0. Byte: 8 bits, combined to mean something. 5 mb= 30 seconds of tv quality video. 2 gb = 20 meters of shelved books. 20 gb= a good collection of beethoven"s works. 1 tb= all the x ray films in a large hospital.