Computer Science 1032A/B Chapter Notes - Chapter 4: Dvd Recorder, Special Functions, Flash Memory

• School: Western University
• Department: Computer Science
• Course: Computer Science 1032A/B
• Professor: Diane Goldstein

Document Summary

Knowing about information technology, including hardware and software, makes us more knowledgeable consumers of technology. Early computers (1939-52: first patent (later overturned) on digital computer filed june 26, 1947 by presper eckert and. Microcomputers (1975- present: people desired smaller computers, developed by texas instruments and intel. October 11, 2011: with internet came email, web browser, access to a worldwide network of computers facilitated. Data storage and network capacity continue to advance too, cheap access to high-bandwidth resources quickly reality: small is powerful: history viewed as effort to make information technology small and powerful to use anywhere, likely trend will continue. Difficulty with smaller machines remains in their ability to interface with machines in a meaningful way. Hardware consists of electronic components and related gadgetry that input, process, output, and store. Cpu speed, cache memory, data bus speed, data bus width. Size, speed data according to instructions encoded in computer programs.