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Image Scanners & POS Terminals. Digitizers - Digitizer Tablet, Digital ... Optical Scanners. Magnetic Ink and UPC. Image Scanners & Smart Cards. Output Devices...

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cussion Topics

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  1. Introduction to Computers: Data and Information BUAD 258- Information Systems I Ali A. Nazemi, Ph.D.

  2. Computers and Information Systems • Software and Multimedia Applications • Data, Files and Document Storage • Computer Architecture and Marketplace • Data Communications and the Internet • Computer Security, Control & Ethics Course Lecture/Discussion Topics

  3. Chapter Outline • Computers and Computer Systems • Basic Elements of Information Processing • Categories of Computers • Data, Files and Programs • User Interface • Graphical User Interface • Where to Go for More Info

  4. Computers and Computer Systems... • What Is a Computer? • Elements of a Computer System • Data Vs Information • I/O and Storage • Internal Components • Campus Network

  5. Computer Components

  6. Hardware Components

  7. Data, Files, Programs... • Types of Data • Text • Graphics • Audio • Video • Data Files • Programs and Software

  8. Categories of Computers • Supercomputer • Mainframes • Minicomputers • Microcomputers • Desktop (Flat or Tower) • Laptop • Notebook • Palmtop • PDAs

  9. Input Hardware... • Keyboards (QWERTY, Dvorak) • Terminals • Smart Vs Intelligent Vs Network • Network & Web • Pointing Devices • Mouse, Touch Screen, Light Pen, Joystick, Trackball • Image Scanners & POS Terminals • Digitizers -Digitizer Tablet, Digital Camera • Voice Input Devices • Analog-To-Digital Converters

  10. Keyboards…

  11. Pointing Devices

  12. Input Hardware... • Scanners • UPC Readers (POS Terminals) • Magnetic Ink • Image Scanners • Fax Machines • Smart Cards

  13. Optical Scanners

  14. Magnetic Ink and UPC

  15. Image Scanners & Smart Cards

  16. Output Devices... • Monitors (Soft Copy) • Data Display (Text, Graphs, video) • Resolution (Pixels) • Standards (MDA, CGA, EGA, VGA, XGA, SVGA) • CRT Vs. Flat-Panel (LCD) • Passive Matrix (TFT) • Active Matrix (Dual Scan) • High Definition

  17. Soft Copy Terminals

  18. Output Devices... • Printers (Hard Copy) • Scaleable Fonts, Character Set • Speed - Pages Per Minute (PPM) • Printer Types: • Dot Matrix, Ink Jet, Laser, Thermal • Color Laser

  19. Printers...

  20. Dot Matrix V. Laser Printer

  21. Output Devices... • Plotters • Pen Plotters (X-Y) • Ink-Jet • Electrostatic • Direct Image (Thermal)

  22. Plotters…

  23. Special Purpose Output Devices... • Speakers • MIDI Devices • Voice Output • Film Recorders • Digital-To-Analog Converters

  24. Robotics...

  25. User Interface • Command-Driven • Shortcut Keystrokes • Prompted • Menu-Driven • Graphical User Interface • Mouse, Keyboard & Monitor • Touch-Sensitive Screens • Voice-Driven Interface

  26. Graphical User Interface (GUI) Menu Bars Pull-Down Menus Icon Menus Pop-Up Menus Scroll Bars Check/Radio Boxes Online Help Windows Environment

  27. User Interface Types

  28. GUI and Command Line

  29. Where to Go for More Info.. Me Your Text Software Manuals Help Features The Internet Magazines and Journals

  30. Your Dorm PC Hub Multimedia Classrooms Lab PCs Servers (\\svnt0?\Username$) Internet Campus Network

  31. Local Drives • A: Drive (Floppy) • C: Drive (Hard Disk) • D: Drive (CD-ROM) • E: Drive (Zip)Local drives are physically located on your computer.

  32. Network Drives • N: Network Applications • W: Web Space • X: Secure Department Drive • Y: Public Drive • Z: Personal Drive • All network drives are physically located in Trexler.

  33. Win95/98/NTOperating Systems • OS is good for you. • DeskTop or On the Shelf • Are Bars Open? • Dragon Drop! Ooh! • Lost Control of My Panel • Start and Stop! Way to Go Bill!

  34. Win95/98/NT Operation • Where Do I Begin… (Love Story!!) • Explorer has been good to Me! (or My Computer) • But Can You Open That File? • Size it, Minimize it, Restore it or Close it • Folders? (Handy after Laundry!) • File/Folder Needs Operations • Muti-Tasking • (Can You Walk and Chew Gum?) • Cut Me, Copy Me! But Don’t Forget to Paste Me

  35. Windows Applications • Where is my App? Check the Extension! • Oh! I Get it, It has to be Recognizable. • Do We Have Something in Common? • Yes! Menus, Toolbars, Icons & Most Operations • Tools for Every Job! Too Many (Confused?) • Wanna View a Toolbar? • Object of My Orientation! (Object-Orientation) • Save Me! But Remember Where You Put Me. • Tangled Webs we weave! • ET Phone Homepage!

  36. Intro to Computing t h e e n d

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