Introduction to Information Systems: Essentials for the Internetworked EnterpriseThis work examines a five-level framework that is used to describe the stages of information systems development. It has been revised to reflect the movement towards enterprise-wide business, and looks at the major topics covered in a first course. |
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Page 63
... memory , and holds data and program instructions between processing steps and supplies them to the control unit and arithmetic - logic unit during processing . Most of a computer's memory con- sists of microelectronic semiconductor memory ...
... memory , and holds data and program instructions between processing steps and supplies them to the control unit and arithmetic - logic unit during processing . Most of a computer's memory con- sists of microelectronic semiconductor memory ...
Page 79
... Memory Primary storage media such as semiconductor memory chips are called direct access or random access memories ( RAM ) . Magnetic disk devices are frequently called direct access storage devices ( DASDs ) . On the other hand , media ...
... Memory Primary storage media such as semiconductor memory chips are called direct access or random access memories ( RAM ) . Magnetic disk devices are frequently called direct access storage devices ( DASDs ) . On the other hand , media ...
Page 80
... memory are its small size , great speed , and shock and temperature resistance . One major disadvantage of most semi- conductor memory is its volatility . Uninterrupted electric power must be supplied or the contents of memory will be ...
... memory are its small size , great speed , and shock and temperature resistance . One major disadvantage of most semi- conductor memory is its volatility . Uninterrupted electric power must be supplied or the contents of memory will be ...
Contents
Systems in Business | 2 |
The Fundamental Role of Information Systems | 10 |
Business Process Reengineering | 16 |
Copyright | |
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Introduction to Information Systems: Essentials for the Internetworked ... James A. O'Brien No preview available - 2000 |
Common terms and phrases
activities analysis application software browser business applications business processes Chapter communications components computer system computer-based Computerworld cost customer service data resources database management decision support desktop devices displays documents E-commerce E-mail electronic commerce emachine employees end users enterprise collaboration example executive information systems expert system extranets Figure files functions global graphics groupware hardware information products information systems information technology input interactive Internet internetworked intranets language machine magnetic disk mainframe major managerial marketing mation megabytes memory microcomputer microprocessors Microsoft monitor multimedia needed Netscape network computers operating system organization output performance primary storage processors programs puter Real World reengineering Reprinted from Computerworld retail secondary storage software packages Source spreadsheet stored strategic suppliers systems development telecommunications networks tion transaction processing trends types user interface variety Windows NT workgroups workstations World Wide World Wide Web