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Extended Learning Module C: Evaluating Computer Hardware & Software. Management Information Systems for the Information Age. Key Concepts. Management Information Systems Information – processed data that has meaning People – knowledge workers; users of information

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Extended Learning Module C:Evaluating ComputerHardware & Software

Management Information Systemsfor the Information Age


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Key Concepts

  • Management Information Systems

    • Information – processed data that has meaning

    • People – knowledge workers; users of information

    • Technology (IT) – any computer-based tool that helps knowledge workers work with information

  • Computer Hardware

    • The Toys: physical devices of a computer

  • Computer Software

    • The Smarts: set of instructions (programs) executed by the computer to perform tasks

Technology

XLM C: Computer Hardware and Software


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Categories of Computers 1/4

  • Personal Digital Assistant (PDAs)

    • Calendar, contacts, notepad, e-mail, and Web

    • Touch-screen; long battery-life; integ. phone

  • Notebook, Laptop, and Tablet Computers

    • Battery-powered and wireless for mobility

    • More expensive than equivalent desktop

  • Desktop and Media Center Computers

    • Relatively inexpensive and expandable

    • Connect to other entertainment devices

    • Self-maintenance possible

Categories

XLM C: Computer Hardware and Software


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Categories of Computers 2/4

Categories

XLM C: Computer Hardware and Software


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Categories of Computers 3/4

  • Minicomputers

    • Multi-processor computer for multi-tasking

  • Mainframe

    • Serves processing power to hundreds of people

  • Supercomputer

    • Number-crunching computers found in some educational research institutions and government agencies

Categories

XLM C: Computer Hardware and Software


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Categories of Computers 4/4

XLM C: Computer Hardware and Software


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Six Categories of Computer Hardware

  • Input

    • Devices that capture information and commands

  • Output

    • Devices that let you see, hear, and receive results of information processing requests

  • Storage

    • Permanent: devices that let you store information for later use and retrieval

    • Temporary: Random Access Memory (RAM)

  • Processing

    • Central Processing Unit (CPU)

Hardware

XLM C: Computer Hardware and Software


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Computer Hardware (cont’d)

  • Network Communications

    • Devices used to send information between two or more computers or locations

  • Connection Ports and Cards

    • Devices and technologies that allow you to connect various hardware components together (i.e., USB, Firewire, serial, and parallel ports)

Hardware

XLM C: Computer Hardware and Software


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Your Computer System

Hardware

XLM C: Computer Hardware and Software


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Vocal Quiz

Hardware

XLM C: Computer Hardware and Software


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Input

  • Keyboard

  • Mouse or Trackball

  • Pointing Stick or Touchpad

  • Pen and Tablet

  • Microphone

  • Barcode reader

  • Point-of-Sale system

  • Monitor Touchscreen

  • Digital Camera and Scanner

Hardware

XLM C: Computer Hardware and Software


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Input (cont’d)

Hardware

XLM C: Computer Hardware and Software


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Output

  • Monitor

    • CRT versus LCD Flat Panel

    • Size, Resolution, and Dot Pitch

  • Printers

    • Laser

    • Inkjet

    • Dot Matrix

    • Multi-function

    • Plotter

  • Speakers

Hardware

XLM C: Computer Hardware and Software


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Output (cont’d)

Hardware

XLM C: Computer Hardware and Software


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Processing

  • Central Processing Unit (CPU)

    • AMD, Intel, Motorola, and Texas Instruments

    • Speeds (GHz) and Technologies (Celeron, Xeon)

  • Random Access Memory (RAM)

    • Speeds (Mhz) and Technologies (DDR)

    • Size measured in megabytes (MBs and GBs)

Hardware

XLM C: Computer Hardware and Software


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Processing (cont’d)

  • CPU Internals

    • Control Unit

    • Arithmetic Logic Unit (ALU)

    • System Buses

Hardware

XLM C: Computer Hardware and Software


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Storage

  • Hard Disk

    • Speed (RPM), Buffer (MBs) and Size (GBs)

    • RAID capabilities (striping and mirroring)

  • Optical Drive

    • CDROM, CDR/RW, DVD, DVD-R, DVD+/-RW

  • Tape Drive

  • Flash Memory

    • USB Flash Memory (MBs)

    • CompactFlash (CF) Memory

    • Secure Digital (SD) Memory

Hardware

XLM C: Computer Hardware and Software


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Storage (cont’d)

Hardware

XLM C: Computer Hardware and Software


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Communications

  • Dial-Up Modem

  • Cable Modem

  • ADSL Modem

  • Satellite Modem

  • Networks (LANs and WANs)

Hardware

XLM C: Computer Hardware and Software


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Communications (cont’d)

  • Modem is so named because:

    • Modulates (digital to analog conversion)

    • Demodulates (analog to digital conversion)

Hardware

XLM C: Computer Hardware and Software


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Connection Ports and Cards

  • Expansion Cards

    • ISA, PCI, AGP, and PCI-Express

  • Standard Ports

    • Mouse, keyboard, serial, and parallel

  • High-Speed Ports

    • IrDA (Infrared) & BlueTooth (64 Kbps to 1 Mbps)

    • USB 1.1 = 12 Mbps

    • USB 2.0 = 480 Mbps

    • Firewire 1394a = 400 Mbps

    • Firewire 1394b = 800 Mbps

Hardware

XLM C: Computer Hardware and Software


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Connections (cont’d)

Hardware

XLM C: Computer Hardware and Software


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Putting It All Together 1

Hardware

XLM C: Computer Hardware and Software


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Putting It All Together 2

Hardware

XLM C: Computer Hardware and Software


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Two Categories of Computer Software

  • Application Software

    • Set of instructions, in the form of a program, that allows you to perform tasks

  • System Software

    • Operating System (OS)

      • Manages the communication between, and functionality of, hardware devices

      • Provides the graphical user interface (GUI) for today’s computer systems

    • Utility Software

      • Provides additional functionality to the OS

Software

XLM C: Computer Hardware and Software


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Computer Software

Software

XLM C: Computer Hardware and Software


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Application Software 1/3

  • Personal Productivity Solutions

    • Word Processing

    • Spreadsheet

    • Presentation

    • Database

    • Finance

    • Graphics

    • Web Authoring

    • Communications

    • Desktop Publishing

    • Personal Information Management (PIM)

Software

XLM C: Computer Hardware and Software


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Application Software 2/3

  • Corporate Solutions

    • Make versus Buy Decisions

      • SAP

    • Vertical Market: industry-specific

      • Dental Management Software

    • Horizontal Market: cross-industry

      • EasyPay Canadian Payroll Software

Software

XLM C: Computer Hardware and Software


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Application Software 3/3

  • Office Suites

    • Microsoft Office

    • Sun StarOffice

    • OpenOffice

    • 602Software PC Suite

    • Corel WordPerfect Office

XLM C: Computer Hardware and Software


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System Software 1/4

  • Operating Systems

    • Windows

    • Macintosh

    • Linux

    • Palm OS

    • Pocket PC

Software

XLM C: Computer Hardware and Software


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System Software 2/4

Released October 2001

Pre-

1999

Released

2000

Win98 & ME

NT & 2000

Software

XLM C: Computer Hardware and Software


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System Software 3/4

Software

XLM C: Computer Hardware and Software


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System Software 4/4

  • Utility Software

    • Anti-Virus

    • Data Backup

    • File Management

    • System Configuration

    • Performance Optimization

Software

XLM C: Computer Hardware and Software


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Results from a Bad Mouse Virus!

Software

XLM C: Computer Hardware and Software


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