MGCR 331 Lecture Notes - Lecture 7: Enterprise Software, Palm Os, Customer Retention
28 Sep 2016
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Document Summary
Keys to network cost availability: 24/7 or not service speed, lots of data in short time, improve the technology security, e. g. banks, government. Implement client server with ood (object-oriented design) techniques: uses inheritance, polymorphism, encapsulation. Reliability: when lots of people use the same internet, some may cannot use it, which is not reliable. Personal digital assistant (pda: a small hand-held device that combines computing, telephone/fax, internet and networking features. Notebook computer: a fully functional computer designed to be carried around and run on battery power. Desktop computer: most popular choice for personal computing needs, larger, don"t need battery. Mainframe computer: designed to meet the computing needs of hundreds of people in a large business environment, acts as server. Supercomputers: the fastest, most powerful and most expensive type of computer, research. From a hardware perspective, computers work with bits and bytes. Use electrical pulses to have two states: on and off.
