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END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor.

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Presentation on theme: "END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor."— Presentation transcript:

1 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-1 Real World Cases Computer Hardware Module II – Information Technologies

2 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-2 Real World Cases Learning Objectives 1.Major types, trends, and uses of microcomputer, midrange and mainframe computer systems 2.The major technologies and uses of computer peripherals for input, output, and storage 3.Identify and give examples of the components and functions of a computer system 4.Identify the computer systems and peripherals you would acquire or recommend for a business of your choice, and explain the reasons for your selections.

3 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-3 Real World Cases End User and Enterprise Computing Types of Computer Systems Use of a Variety of Designs Real World Case 1… Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems Click to go to Case 1

4 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-4 Real World Cases Types of Computers Computer System Categories –Mainframe Computers –Midrange Computers –Microcomputers –Client-Server Networks –Information Appliances

5 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-5 Real World Cases Microcomputer Systems Personal Computer (PC) Professional Workstations Multiuser Systems Desktop Systems Laptops Workstation Computers Network Servers

6 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-6 Real World Cases Microcomputer Systems Boeing, Monster.Com, and Others: Corporate PC Criteria Solid Performance at a Reasonable Price Operating System Ready Connectivity

7 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-7 Real World Cases Network Computers Used by Workers in Networks Sealed Low-Cost Systems Network Microcomputers No or Minimal Disk Storage Dependent Upon Internet or Intranets for Operations Standardization Reduced Costs of Maintenance and Upgrades

8 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-8 Real World Cases Information Appliances Smart Gadgets Cellular Phones and Pagers Hand-Held PCs Web-Based Games Personal Digital Assistants (PDAs)

9 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-9 Real World Cases Computer Terminals Dumb Terminals Intelligent Terminals Network Terminals –Windows Terminals –Internet Terminals Transaction Terminals –ATM Machines –POS Terminals

10 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-10 Real World Cases Midrange Systems High-End Network Servers Process Business Applications Less Costly to Busy and Maintain that Mainframes Scientific Research Engineering Analysis Process Monitoring and Control CAD Systems Front-End to Mainframes

11 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-11 Real World Cases Midrange Systems Los Alamos Laboratory and Blackboard, Inc.: Moving to Blade Servers Rack System Slide-Ins 30 – 50% Lower Cost Smaller Size, Less Power Use Reduced Cabling Don’t Need Environmental Requirements No Raised Flooring

12 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-12 Real World Cases Mainframe Systems Large, Fast, and Powerful Hundreds of Millions of Instructions per Second (MIPS) Large Primary Storage Superservers for Large Client/Server Networks Data Warehousing and Mining Electronic Commerce Applications

13 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-13 Real World Cases Supercomputer Systems Extremely Powerful Systems Large-Scale Data Mining Parallel Processing Floating Point Decimal Operations – –Billions - Gigaflops –Trillions - Teraflops Symmetric Multiprocessing – SMP Minisupercomputers

14 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-14 Real World Cases The Computer System Concept Central Processing Unit Control Unit Arithmetic Logic Unit System Bus Input Devices Output Devices Secondary Storage Devices Special Purpose Processors Cache Memory Primary Storage Memory Keyboard Mouse Touch Screen Optical-Scanner Voice Recognition etc. Visual Display Unit Printer Audio-Response Physical Control Devices, etc. Magnetic Disk Tape Units Optical Disks, etc.

15 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-15 Real World Cases Computer Processing Speeds Thousandths – Milliseconds Millionths – Microseconds Billionths – Nanoseconds Trillionths – Picoseconds MIPS Megahertz (MHz) Gigahertz (GHz) Internal Clock Registers and Caches

16 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-16 Real World Cases Input - Output and Storage Technologies Using the Right Peripherals Value of Consolidating Operations Real World Case 2… Delta and Northwest Airlines: The Business Value of Customer Self-Service Kiosks Click to go to Case 2

17 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-17 Real World Cases Peripheral Devices Online vs. Offline Devices Natural User Interface Pointing Devices –Graphical User Interface (GUI) –Electronic Mouse –Trackball –Pointing Stick –Touchpad –Touch Screens

18 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-18 Real World Cases Pen-Based Computing Tablet PCs PDAs Digitizer Pens Graphics Tablets

19 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-19 Real World Cases Speech Recognition Systems Discrete Speech Recognition Continuous Speech Recognition (CSR) Training Time –Dragon Naturally Speaking –IBM’s Via Voice Speaker Independent Systems Voice Messaging Computers

20 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-20 Real World Cases Optical Scanning Document Management Flatbed Scanners Optical Character Recognition (OCR) Wands and Bar Coding Uniform Product Code (UPC)

21 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-21 Real World Cases Other Input Technologies Magnetic Stripe Smart Cards Digital Cameras Magnetic Ink Character Recognition (MICR)

22 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-22 Real World Cases Output Technologies Voice Response Video Output –Video Monitor –Cathode Ray Tube (CRT) –Liquid Crystal Display (LCD) –Flat-Panel TVs –Plasma Display Panels

23 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-23 Real World Cases Printed Output Inkjet Printers Laser Printers Color Laser Printers Multifunction Inkjet Printers

24 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-24 Real World Cases Storage Trade-offs Magnetic Tape Magnetic Disks Semi- conductor Memory Optical Disks Secondary Storage Primary Storage Access Speed Increases Storage Capacity Decreases Cost per Bit Increases

25 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-25 Real World Cases Computer Storage Binary Representation Bit Byte Kilobytes (KB) - k Megabytes (MB) Gigabytes (GB) Terabytes (TB) Petabytes – Over 1 Quadrillion Bytes

26 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-26 Real World Cases Computer Storage Direct Access –Random Access (RAM) –Direct Access Storage Devices (DASD) Sequential Access Semiconductor Memory –RAM Memory – Random Access –ROM Memory – Read Only

27 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-27 Real World Cases Computer Storage Sequential Access Storage Device Direct Access Storage Device Read/Write Head A B C D E A B C D E Read/Write Head

28 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-28 Real World Cases Magnetic Storage Floppy Disks Hard Disk Drives RAID Storage Magnetic Tapes

29 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-29 Real World Cases Optical Disks CD-ROM CD-R and CD-RW CD-RW/DVD DVD-ROM Drive DVD-R DVD-RW Image Processing

30 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-30 Real World CasesSummary 1.Three Major Types of Computer Systems –Microcomputer –Midrange Systems –Mainframe Systems

31 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-31 Real World CasesSummary 2.Microcomputers are Used as Personal Computers, Network Computers, Personal Digital Assistants, Technical Workstations, and Information Appliances.

32 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-32 Real World CasesSummary 3.Midrange Systems are used for Many Multiuser Business Data Processing and Scientific Applications. 4.Mainframe Systems are Larger and More Powerful than Midrange Systems, Have More Memory, and Support More Users and Peripheral Devices, and High Volumes of Data.

33 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-33 Real World CasesSummary 5.Computer Systems Perform Input, Processing, Output, Storage, and Control Functions. 6.Hardware Consists of Input and Output Devices, a Central Processing Unit, Primary and Secondary Storage Devices.

34 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-34 Real World CasesSummary 7.Supercomputers are a Special Category of Extremely Powerful Mainframe Systems Designed for Massive Computational Assignments. 8.Peripheral Devices are used for a Wide Array of Input, Output, and Storage Applications.

35 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-35 Real World Cases KEY TERMS Binary Representation Central Processing Unit (CPU) Computer System Computer Terminal Digital Cameras Direct Access Generations of Computing Information Appliance Laptop Computer Liquid Crystal Displays (LCD)

36 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-36 Real World Cases KEY TERMS Magnetic Disk Storage - Floppy Disk - Hard Disk - RAID Magnetic Ink Character Recognition (MICR) Magnetic Stripe Magnetic Tape Mainframe Computer Microcomputer Microprocessor Midrange Computer Minicomputer

37 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-37 Real World Cases KEY TERMS Network Computer NetPC Network Server Network Terminal Offline / Online Optical Character Recognition (OCR) Optical Disk Storage - CD-ROM - CD-R - CD-RW - DVD - WORM Disk Optical Scanning

38 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-38 Real World Cases KEY TERMS Pen-Based Computing Peripheral Devices Personal Digital Assistant Pointing Devices Electronic Mouse - Pointing Stick Touchpad - Trackball Primary Storage Printers Secondary Storage Semiconductor Memory - RAM - ROM

39 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-39 Real World Cases KEY TERMS Sequential Access Smart Cards Speech Recognition Storage Capacity Elements - Bit - Byte - Kilobyte (K or KB) - Megabyte (MB) - Gigabyte (GB) - Terabyte (TB) Storage Media Trade-offs Supercomputer

40 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-40 Real World Cases KEY TERMS Time Elements - Millisecond - Microsecond - Nanosecond - Picosecond Touch-Sensitive Screen Trends in Computers Video Output Volatility Wand Workstation

41 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-41 Real World Cases Real World Case 1 Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems Click to go to Case 1 Real World Case 2 Delta and Northwest Airlines: The Business Value of Customer Self- Service Kiosks Click to go to Case 2 Optional Case Studies Real World Case 3 Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds Real World Case 4 Wisconsin Physicians Service and Winnebago: Moving to Linux on the Mainframe Click to go to Case 3 Click to go to Case 4

42 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-42 Real World Cases Computer Software Chapter 4

43 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-43 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems 1-What are the business benefits and limitations of Progressive’s IRV system and the UniFirst PDA system? Return to Cases Page Return to Chapter 3

44 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-44 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems Benefits would include: A competitive edge in providing fast claims service. Improved customer relations. More productive claims reps. Claims settled in less time. Progressive’s IRV system

45 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-45 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems Limitations would include: All necessary information to settle the claim may not be available to the claims reps and settlements may be incorrect. Reduced data verification by company supervisory staff may lead to a higher error occurrence of incorrect claims settlements. Progressive’s IRV system

46 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-46 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems Benefits would include: Information provided to field sales professionals to support their sales and service activities in real time. Information provided to sales professionals in the field to assist in follow-ups. Lower costs UniFirst PDA system

47 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-47 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems Benefits would include: Increased revenues. Reduction of number of employees – data entry. Reduction in past-due invoices. Managers can create calendars, prioritize accounts and help the reps sell. UniFirst PDA system

48 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-48 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems Limitations would include: PDA technology must be used by “people who often shun the stuff.” Verification of input data is lost by the elimination of data input employees. Sales reps are responsible for data input accuracy. IT improvements limited to the business processes and have not been made to differentiate UniFirst from competition. UniFirst PDA system

49 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-49 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems 2-What computer system technologies could Progressive add to improve the business value of their IRV program? Why?

50 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-50 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems Limitations would include: PDA technology must be used by “people who often shun the stuff.” Verification of input data is lost by the elimination of data input employees. Sales reps are responsible for data input accuracy. IT improvements limited to the business processes and have not been made to differentiate UniFirst from competition. Discussion Points Include:

51 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-51 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems 3-Should UniFirst switch from PDA’s to laptop PCs or tablet PCs? Why or why not? Checkout websites like www.cnet.com or www.pcworld.com for the latest product reviews to help you answer.

52 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-52 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems Cost savings vs. cost of a change to a different technology. Anticipated improvement in revenues. Discussion Points Include:

53 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-53 Real World Cases Progressive Insurance and UniFirst Corp: The Case for Mobile Computing Systems Cost savings vs. cost of a change to a different technology. Anticipated improvement in revenues. Improved customer relations. Discussion Points Include: Return to Cases Page Return to Chapter 3

54 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-54 Real World Cases Delta and Northwest Airlines: The Business Value of Customer Self-Service Kiosks 1-What computer system technologies and functions are included in self-service kiosks? What other technologies should be provided? Why? Visit the Kinetics USA website for more details. Return to Cases Page Return to Chapter 3

55 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-55 Real World Cases Delta and Northwest Airlines: The Business Value of Customer Self-Service Kiosks Special-purpose microcomputer terminals. Video touch screens High speed thermal printer Magnetic stripe card reader Items to Discuss Include:

56 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-56 Real World Cases Delta and Northwest Airlines: The Business Value of Customer Self-Service Kiosks 2-What is the customer value of self-service kiosks for airline check-in? What other services should be provided? Take the Delta demo tour of check-in at www.delta.com/travel/trav_s erv/kiosk to help you answer.

57 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-57 Real World Cases Delta and Northwest Airlines: The Business Value of Customer Self-Service Kiosks Reduced customer waiting time Customer relationship is improved. Costs reduced or minimized by the reduction of employee cost of handling routine procedures for travelers. Discussion Points Include:

58 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-58 Real World Cases Delta and Northwest Airlines: The Business Value of Customer Self-Service Kiosks 3-What is the business value of self-service kiosks in the airline industry? Do self- service kiosks give airlines a competitive advantage? Why or why not?

59 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-59 Real World Cases Delta and Northwest Airlines: The Business Value of Customer Self-Service Kiosks Reduces costs or at least reduces the increase in cost. Improves customer relations by making check-in and subsequent activities are easy as possible. Reduces the waiting time for customers that increase after Sept. 11. Points About Business Value:

60 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-60 Real World Cases Delta and Northwest Airlines: The Business Value of Customer Self-Service Kiosks Self-service kiosks maintain industry competitiveness. Enhancement of the services available through self-service kiosks increases an airlines competitive advantage by improving customer relations. Points About Competitive Advantage:

61 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-61 Real World Cases Delta and Northwest Airlines: The Business Value of Customer Self-Service Kiosks The need to continuously improve and streamline traveler check-in activities, especially after Sept. 11, is a factor in a highly competitive industry. Points About Competitive Advantage:

62 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-62 Real World Cases Delta and Northwest Airlines: The Business Value of Customer Self-Service Kiosks The need to continuously improve and streamline traveler check-in activities, especially after Sept. 11, is a factor in a highly competitive industry. A reduction of costs or a reduction in the increase in costs in a highly competitive industry is critical. Points About Competitive Advantage: Return to Cases Page Return to Chapter 3

63 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-63 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds 1-What are the business benefits and limitations of the use of wireless handheld computers by Nappi Distributors? How could their mobile sales application be improved? Defend your proposals. Return to Cases Page

64 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-64 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds Benefits – Reduced waiting time for sales reps Reduced time to process an order. Reduction in employee costs or number of employees required to input sales orders. Discussion Points Include:

65 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-65 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds Limitations – Interference from radar sites in the area. Upgrade of system to include new features is more difficult to learn. Transmission speed is slow. Discussion Points Include:

66 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-66 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds Speech recognition to reduce keying in of orders. Table PCs Touch screen technology PDAs Improvement in Mobile Sales Application Includes:

67 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-67 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds 2-What are the business benefits and limitations of the use of wireless handheld computers by Old Dominion Freight Lines? How could their mobile freight management application be improved? Defend your proposals.

68 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-68 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds Benefits – Increased customer satisfaction. Improved driver efficiency. Reduction in loading errors. More stops per day. Improved accountability by drivers. Discussion Points Include:

69 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-69 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds Limitations – Requires better trained drivers. Charges by character requires communications be brief. Dependent upon a network of wireless service providers. System failure causes company delivery service to be delayed. Discussion Points Include:

70 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-70 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds Speech recognition to reduce keying in of orders. Optical scanning wands. Improvements in the mobile freight management application could include:

71 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-71 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds 3-Would you recommend the use of wireless laptop or tablet PCs to either Nappi or Old Dominion? Why or why not? Visit the Symbol Technologies website to help you answer.

72 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-72 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds Duties required to employees – sales reps and drivers. Nature of packaging for products and the easy with which certain input devices could be used to improve efficiency by the employee. Discussion should include:

73 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-73 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds The benefit to the company in terms of customer relations. Discussion should include:

74 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-74 Real World Cases Nappi Distributors and Old Dominion Freight Line: The Business Value of Wireless Handhelds The benefit to the company in terms of customer relations. The cost savings to the company. Discussion should include: Return to Cases Page

75 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-75 Real World Cases Wisconsin Physicians Service and Winnebago: Moving to Linux on the Mainframe Return to Cases Page 1-How can a mainframe use Linux to replace the equivalent of hundreds of Unix or Windows servers?

76 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-76 Real World Cases Wisconsin Physicians Service and Winnebago: Moving to Linux on the Mainframe Server consolidation – Server consolidation – replacing dozens or even hundreds of separate Intel- based Linux or Windows servers with a partition on the mainframe that dedicates a single processor, memory and other system sources to running Linux.

77 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-77 Real World Cases Wisconsin Physicians Service and Winnebago: Moving to Linux on the Mainframe 2-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.

78 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-78 Real World Cases Wisconsin Physicians Service and Winnebago: Moving to Linux on the Mainframe WPS move to Linux on the mainframe To leverage the mainframe’s reliability To keep support costs low WPS created a virtual Linux Server running on one 250-MIPS processor available within an IBM mainframe Costs were only 40% of that for ordering, installing and configuring a new Intel-based server Virtual servers can be created within 2 to 3 minutes and deliver as much as 9 times the throughput of a stand-alone server

79 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-79 Real World Cases Wisconsin Physicians Service and Winnebago: Moving to Linux on the Mainframe Winnebago implemented a groupware application for Linux on an IBM mainframe Windows NT servers had to be rebooted weekly in an effort to improve their stability On the mainframe, everything is geared to run 24/7 It was more cost-effective to use part of his existing mainframe capacity and his staff’s mainframe skills to run its Linux-based e-mail system

80 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-80 Real World Cases Wisconsin Physicians Service and Winnebago: Moving to Linux on the Mainframe 3-What business applications are best suited to servers? To mainframes? Explain your reasoning.

81 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-81 Real World Cases Wisconsin Physicians Service and Winnebago: Moving to Linux on the Mainframe Servers – Servers – Windows application since they don’t run on Linux and applications that have complex graphical user interfaces or that perform complicated data analysis can use so much processing power that it’s more cost-effective to keep running them on stand-along servers. Users have also been reluctant to move complex applications such as SAP R/3, which can take years to implement on distributed servers, onto a new environment.

82 END BACKNEXT Types of Computer Systems The Computer System Concept Section II Peripherals Input Technologies Output Technologies Storage Trade- Offs Semiconductor Memory Magnetic Disks Magnetic Tape Optical Disks KEY TERMS Copyright 2005, McGraw-Hill/Irwin, Inc.3-82 Real World Cases Wisconsin Physicians Service and Winnebago: Moving to Linux on the Mainframe Mainframes – Some of the best candidates for consolidation are infrastructure applications such as file and print services, e-mail, domain name servers and Web servers. Return to Cases Page


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