chapter1 : introduction to computer

~electronic device, operating under the control of instruction stored in its own memory, that can accept data, process the data according to specified rules, produce results, and store the result for future use


~advntage:speed, reliability, consistency, storage, and communication
~disadvntge: voaltion of privacy, public safety,health risk


~input devices, output device, system unit, storage devices, and communication devices


~a network is a collection of computer and device connected together, often wireless
~the internet is a worldwide colection of network


~personal computer, mobile computer, game consoles, servers, mainframes, supercomputer, embedded computer