PowerPoint PresentationObjectivesFive Parts of Information SystemsPeopleSoftwareSystem SoftwareApplication SoftwareHardwareTypes of ComputersSupercomputersMainframe computersMinicomputersMicrocomputersMicrocomputer HardwareOutput DevicesDataConnectivity and InternetFuture LookSlide 19© The McGraw-Hill Companies, Inc. 2002111111CHAPTERInformation Technology , the Internet, and You© The McGraw-Hill Companies, Inc. 200211Objectives•Five parts of info system•Application vs. systems software•Four kinds of computers•Four types of files•Connectivity, wireless, and Internet© The McGraw-Hill Companies, Inc. 200211Five Parts of Information Systems•People•Procedures•Software•Hardware•Data© The McGraw-Hill Companies, Inc. 200211People•Most important part•Contact –Direct –Indirect•Make technology work•Generations© The McGraw-Hill Companies, Inc. 200211Software•AKA programs•Instructions •Two major kinds–System software–Application software© The McGraw-Hill Companies, Inc. 200211System Software•Interact with hardware–“Background” software –Operating system software© The McGraw-Hill Companies, Inc. 200211Application Software•“End-user” software•Two major categories–General–Specialized© The McGraw-Hill Companies, Inc. 200211Hardware•Physical devices•Five functions –Input–Process–Store–Output–Communicate© The McGraw-Hill Companies, Inc. 200211Types of Computers•Supercomputers•Mainframe computers•Minicomputers•Microcomputers© The McGraw-Hill Companies, Inc. 200211Supercomputers•High capacity•Used by large organizations–Tracking space –Tracking weather© The McGraw-Hill Companies, Inc. 200211Mainframe computers•Specially wired•Air-conditioned rooms•Used for large volume processing© The McGraw-Hill Companies, Inc. 200211Minicomputers•Also known as midrange computers•Medium-size companies•Departments of large companies© The McGraw-Hill Companies, Inc. 200211Microcomputers•Desktop, notebook, PDAs•Notebook (laptop)•Subnotebooks© The McGraw-Hill Companies, Inc. 200211Microcomputer Hardware•System Unit•I/O Devices•Secondary Storage© The McGraw-Hill Companies, Inc. 200211Output Devices•Equipment that translates data –Monitors–Printers© The McGraw-Hill Companies, Inc. 200211Data•Contained in files–Documents–Worksheets–Databases© The McGraw-Hill Companies, Inc. 200211Connectivity and Internet•Connectivity–ability to communicate •The Internet–the largest network in the world–World Wide Web multimedia component•Wireless “revolution”© The McGraw-Hill Companies, Inc. 200211Future Look•Powerful software•Powerful hardware•Connectivity© The McGraw-Hill Companies, Inc.