1. Extended Learning Module C: Evaluating Computer Hardware & Software
BUAD 283: Lecture 2
11-Sep-03
Management Information Systems for the Information Age
Extended Learning Module C: Evaluating Computer Hardware & Software

2. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Key Concepts
11-Sep-03
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

3. Categories of Computers 1/4
BUAD 283: Lecture 2
Categories of Computers 1/4
11-Sep-03
Personal Digital Assistant (PDAs)
Calendar, contacts, notepad, , 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

4. Categories of Computers 2/4
BUAD 283: Lecture 2
Categories of Computers 2/4
11-Sep-03
Categories
XLM C: Computer Hardware and Software

5. Categories of Computers 3/4
BUAD 283: Lecture 2
Categories of Computers 3/4
11-Sep-03
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

6. Categories of Computers 4/4
BUAD 283: Lecture 2
Categories of Computers 4/4
11-Sep-03
XLM C: Computer Hardware and Software

7. Six Categories of Computer Hardware
BUAD 283: Lecture 2
Six Categories of Computer Hardware
11-Sep-03
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

8. Computer Hardware (cont’d)
BUAD 283: Lecture 2
Computer Hardware (cont’d)
11-Sep-03
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

9. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Your Computer System
11-Sep-03
Hardware
XLM C: Computer Hardware and Software

10. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Vocal Quiz
11-Sep-03
Hardware
XLM C: Computer Hardware and Software

11. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Input
11-Sep-03
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

12. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Input (cont’d)
11-Sep-03
Hardware
XLM C: Computer Hardware and Software

13. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Output
11-Sep-03
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

14. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Output (cont’d)
11-Sep-03
Hardware
XLM C: Computer Hardware and Software

15. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Processing
11-Sep-03
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

16. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Processing (cont’d)
11-Sep-03
CPU Internals
Control Unit
Arithmetic Logic Unit (ALU)
System Buses
Hardware
XLM C: Computer Hardware and Software

17. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Storage
11-Sep-03
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

18. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Storage (cont’d)
11-Sep-03
Hardware
XLM C: Computer Hardware and Software

19. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Communications
11-Sep-03
Dial-Up Modem
Cable Modem
ADSL Modem
Satellite Modem
Networks (LANs and WANs)
Hardware
XLM C: Computer Hardware and Software

20. Communications (cont’d)
BUAD 283: Lecture 2
Communications (cont’d)
11-Sep-03
Modem is so named because:
Modulates (digital to analog conversion)
Demodulates (analog to digital conversion)
Hardware
XLM C: Computer Hardware and Software

21. Connection Ports and Cards
BUAD 283: Lecture 2
Connection Ports and Cards
11-Sep-03
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

22. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Connections (cont’d)
11-Sep-03
Hardware
XLM C: Computer Hardware and Software

23. Putting It All Together 1
BUAD 283: Lecture 2
Putting It All Together 1
11-Sep-03
Hardware
XLM C: Computer Hardware and Software

24. Putting It All Together 2
BUAD 283: Lecture 2
Putting It All Together 2
11-Sep-03
Hardware
XLM C: Computer Hardware and Software

25. Two Categories of Computer Software
BUAD 283: Lecture 2
Two Categories of Computer Software
11-Sep-03
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

26. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
Computer Software
11-Sep-03
Software
XLM C: Computer Hardware and Software

27. Application Software 1/3
BUAD 283: Lecture 2
Application Software 1/3
11-Sep-03
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

28. Application Software 2/3
BUAD 283: Lecture 2
Application Software 2/3
11-Sep-03
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

29. Application Software 3/3
BUAD 283: Lecture 2
Application Software 3/3
11-Sep-03
Office Suites
Microsoft Office
Sun StarOffice
OpenOffice
602Software PC Suite
Corel WordPerfect Office
XLM C: Computer Hardware and Software

30. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
System Software 1/4
11-Sep-03
Operating Systems
Windows
Macintosh
Linux
Palm OS
Pocket PC
Software
XLM C: Computer Hardware and Software

31. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
System Software 2/4
11-Sep-03
Win98 & ME
NT & 2000
Pre-
1999
Released October 2001
Released
2000
Software
XLM C: Computer Hardware and Software

32. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
System Software 3/4
11-Sep-03
Software
XLM C: Computer Hardware and Software

33. XLM C: Computer Hardware and Software
BUAD 283: Lecture 2
System Software 4/4
11-Sep-03
Utility Software
Anti-Virus
Data Backup
File Management
System Configuration
Performance Optimization
Software
XLM C: Computer Hardware and Software

34. Results from a Bad Mouse Virus!
BUAD 283: Lecture 2
Results from a Bad Mouse Virus!
11-Sep-03
Software
XLM C: Computer Hardware and Software