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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 computer hardware software

Extended Learning Module C:Evaluating ComputerHardware & Software

Management Information Systemsfor the Information Age

key concepts
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

categories of computers 1 4
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

categories of computers 2 4
Categories of Computers 2/4

Categories

XLM C: Computer Hardware and Software

categories of computers 3 4
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

categories of computers 4 4
Categories of Computers 4/4

XLM C: Computer Hardware and Software

six categories of computer hardware
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

computer hardware cont d
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

your computer system
Your Computer System

Hardware

XLM C: Computer Hardware and Software

vocal quiz
Vocal Quiz

Hardware

XLM C: Computer Hardware and Software

input
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

input cont d
Input (cont’d)

Hardware

XLM C: Computer Hardware and Software

output
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

output cont d
Output (cont’d)

Hardware

XLM C: Computer Hardware and Software

processing
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

processing cont d
Processing (cont’d)
  • CPU Internals
    • Control Unit
    • Arithmetic Logic Unit (ALU)
    • System Buses

Hardware

XLM C: Computer Hardware and Software

storage
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

storage cont d
Storage (cont’d)

Hardware

XLM C: Computer Hardware and Software

communications
Communications
  • Dial-Up Modem
  • Cable Modem
  • ADSL Modem
  • Satellite Modem
  • Networks (LANs and WANs)

Hardware

XLM C: Computer Hardware and Software

communications cont d
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

connection ports and cards
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

connections cont d
Connections (cont’d)

Hardware

XLM C: Computer Hardware and Software

putting it all together 1
Putting It All Together 1

Hardware

XLM C: Computer Hardware and Software

putting it all together 2
Putting It All Together 2

Hardware

XLM C: Computer Hardware and Software

two categories of computer software
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

computer software
Computer Software

Software

XLM C: Computer Hardware and Software

application software 1 3
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

application software 2 3
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

application software 3 3
Application Software 3/3
  • Office Suites
    • Microsoft Office
    • Sun StarOffice
    • OpenOffice
    • 602Software PC Suite
    • Corel WordPerfect Office

XLM C: Computer Hardware and Software

system software 1 4
System Software 1/4
  • Operating Systems
    • Windows
    • Macintosh
    • Linux
    • Palm OS
    • Pocket PC

Software

XLM C: Computer Hardware and Software

system software 2 4
System Software 2/4

Released October 2001

Pre-

1999

Released

2000

Win98 & ME

NT & 2000

Software

XLM C: Computer Hardware and Software

system software 3 4
System Software 3/4

Software

XLM C: Computer Hardware and Software

system software 4 4
System Software 4/4
  • Utility Software
    • Anti-Virus
    • Data Backup
    • File Management
    • System Configuration
    • Performance Optimization

Software

XLM C: Computer Hardware and Software

results from a bad mouse virus
Results from a Bad Mouse Virus!

Software

XLM C: Computer Hardware and Software

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