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

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

Categories of Computers 1/4 BUAD 283: Lecture 2 Categories of Computers 1/4 11-Sep-03 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 BUAD 283: Lecture 2 Categories of Computers 2/4 11-Sep-03 Categories XLM C: Computer Hardware and Software

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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