Lecture Management information systems - Chater 3: Computer hardware

The learning objectives for chapter 3 include: Understand the history and evolution of computer hardware; identify the major types and uses of microcomputer, midrange, and mainframe computer systems; outline the major technologies and uses of computer peripherals for input, output, and storage;...

Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved 3-1 Chapter Computer Hardware Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved 3-2 Learning Objectives Identify the major types and uses of microcomputer, midrange, and mainframe computer systems Outline the major technologies and uses of computer peripherals for input, output, and storage Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved 3-3 Learning Objectives Identify and give examples of the components and functions of a computer system Identify the computer systems and peripherals you would acquire or recommend for a business of your choice, and explain the reasons for your selections Copyrightâ2006,TheMcGrawưHillCompanies,Inc.Allrightsreserved 3-4 What is a Computer? Definition: All computers are systems of input, processing, output, storage, and control components Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved 3-5 Case #1: Mobile and Wireless Devices • When it comes to wireless technologies used to empower a mobile workforce, the ROI seems to be a minor issue • Cost isn’t the issue – connectivity is • Companies can better manage their costs by using wireless technology to its fullest Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved 3-6 Case #1: Mobile and Wireless Devices IT Department’s Challenge • Ensure that business users have access to solid, secure connections, no matter where they’re working • Must think through how to deliver applications so they can be used on small LCD screens Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved 3-7 Case #1: Mobile and Wireless Devices What are some of the benefits that organizations could realize by connecting all of their employees with mobile devices? Are the CIOs in the case saying that ROI is not important when deploying mobile computing devices? Explain your position Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved 3-8 Case #1: Mobile and Wireless Devices The case suggests that an increasingly popular mobile device is the Blackberry What is it about the Blackberry that makes it so popular? Check out the Research in Motion website at www.rim.net to help with your answer Should mobile wireless technologies be bundled together in a generic fashion or should manufacturers allow for customization of mobile devices to be more industry or task specific? Explain Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved 3-9 Types of Computer Systems Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 10 Optical Disks Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 62 Optical Disks Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 63 Business Applications of Optical Disks • Long-term archival storage of historical files of document images • Publishing medium for fast access to reference materials in a convenient compact form • Computer video games, educational videos, multimedia encyclopedias and advertising presentations Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 64 Case #3: Speech Recognition Software • Computerized speech has come a long way since the early 1980s • The technology has become smarter, easier to use, and more integrated with other applications • Such technical advances, plus product introductions that facilitate the development of the technology by mainstream developers, are enabling new uses for automated speech systems Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 65 Case #3: Speech Recognition Software • Despite the steady advancements to bigger vocabularies, lower error rates, and more natural interfaces, however, speech products have remained specialized tools for niche markets such as PC navigation by the disabled, medical dictation, and tightly constrained customer service interactions Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 66 Case #3: Speech Recognition Software • But now, previously stand-alone speech systems are linking up with enterprise systems to access other applications and spawn transactions Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 67 Case #3: Speech Recognition Software What are the business benefits and limitations of IVR at Verizon? How could their use of IVR be improved? Defend your proposals What types of business situations would benefit most from IVR technology? Which ones would benefit least? Explain Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 68 Case #3: Speech Recognition Software Given the advancements in voice recognition software over the last 20 years, what types of new applications for IVR you see in the next 20 years? Give examples and explain Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 69 Case #4: Moving to Linux on the Mainframe Linux Benefits: • Low cost of licensing Linux • Rely on a community of users to identify and fix bugs Mainframe Benefits: • Reliability • Speed Management Tools Copyrightâ2006,TheMcGrawưHillCompanies,Inc.Allrightsreserved - 70 Case #4: Moving to Linux on the Mainframe Server Consolidation: • Leverage the mainframe’s reliability • Keep support costs low • • Best Candidates – infrastructure applications Worst Candidates – Windows applications and others with complex GUIs or that perform complicated data analysis Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 71 Case #4: Moving to Linux on the Mainframe Tasks: • Identify applications to run on the mainframe • Migrate applications first to stand-alone servers running Linux Train staff in mainframe Linux skills Copyrightâ2006,TheMcGrawưHillCompanies,Inc.Allrightsreserved - 72 Case #4: Moving to Linux on the Mainframe How can a mainframe use Linux to replace the equivalent of hundreds of Unix or Windows servers? What are the business benefits and challenges of using Linux on a mainframe to replace Windows or Unix servers? Use WPS and Winnebago to illustrate your answer Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 73 Case #4: Moving to Linux on the Mainframe What business applications are best suited to servers? To mainframes? Explain your reasoning Copyrightâ2006,TheMcGrawưHillCompanies,Inc.Allrightsreserved - 74 Summary Major types of computers include microcomputers, midrange computers, mainframe computers and supercomputers • A computer is a system of information processing components that perform input, processing, output, storage, and control functions Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 75 Chapter End of Chapter Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 76 ... Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved 3-9 Types of Computer Systems Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 10 Microcomputer Systems • Personal Computer (PC) – microcomputer for use... microcomputer terminals • Output - built-in, high-speed thermal printer Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved - 26 Case #2: Customer Self-Service Kiosks What computer. ..Chapter Computer Hardware Copyright © 2006, The McGraw­Hill Companies, Inc. All rights reserved 3-2 Learning Objectives Identify the major types and uses of microcomputer, midrange, and mainframe computer