CIS 105 Notes

CIS 105 Notes - CIS 105 22:51:00 ← CHAPTER 1 ← ←...

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Unformatted text preview: CIS 105 16/04/2008 22:51:00 ← CHAPTER 1 ← ← Information Systems: the way to think of a microcomputer is to realize that it is one part of an information system. There are five parts of an information system: • People- the most important part of an information system. People are touched hundreds of times daily by computers. Examples include: o IT works for you o Tips o Careers o Computing essentials Several interesting and practical applications. Includes personal Web sites, using digital photography, and searching for job opportunities. Moore’s law-1969-Co-founder of Intel-computer processing (speed) would double every 18 months, price will plummet. o Tips- offer a variety of suggestions on such practical matters as how to improve slow computer performance and how to protect your privacy while on the Web. o Careers- presents job descriptions, employment demands, educational requirements, salary ranges, and advancement opportunities. o Computing essentials- web site integrates the textbook with information on the web including videos, animation, career information, etc. • Procedures- rules of how to use • Software- programs consist of systems and application software. o System software- enables an application software to interact with computer hardware. It consists of a variety of programs including: Operating systems, utilities, and device drivers. Coordinates resources, provide an interface for users and comp. hardware, and run applications, Windows XP, and Mac OS X are operating systems. Device drivers- specialized programs to allow input and out put devices to communicate with the rest of the computer. Application software- includes basic and specialized applications (stuff you want to do). Basic applications- widely used in nearly all career areas. Programs include browsers, word processors, spreadsheets, database management systems, and presentation graphics. Specialized applications- focus on specific disciplines and occupations. These programs include graphics, audio, video, multimedia, Web authoring, and artificial intelligence (tries to mimic a human being). • Hardware- 4 types of computers: o Supercomputer o Mainframe o Minicomputer o Microcomputer Microcomputers can be desktops, laptops, tablets, and PDA’s (personal digital assistance) o There are four basic categories : System unit- the system cabinet or chassis contains the electronic circuitry, including the microprocessor and memory (RAM) Input/output devices- translators b/t humans and computers. Input devices include the keyboard and mouse. Output devices Input devices include the keyboard and mouse....
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This note was uploaded on 04/16/2008 for the course CIS 105 taught by Professor Mccarthy during the Spring '08 term at ASU.

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CIS 105 Notes - CIS 105 22:51:00 ← CHAPTER 1 ← ←...

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