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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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Introduction to Computers: Data and Information BUAD 258- Information Systems I Ali A. Nazemi, Ph.D.
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
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
Computers and Computer Systems... • What Is a Computer? • Elements of a Computer System • Data Vs Information • I/O and Storage • Internal Components • Campus Network
Data, Files, Programs... • Types of Data • Text • Graphics • Audio • Video • Data Files • Programs and Software
Categories of Computers • Supercomputer • Mainframes • Minicomputers • Microcomputers • Desktop (Flat or Tower) • Laptop • Notebook • Palmtop • PDAs
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
Input Hardware... • Scanners • UPC Readers (POS Terminals) • Magnetic Ink • Image Scanners • Fax Machines • Smart Cards
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
Output Devices... • Printers (Hard Copy) • Scaleable Fonts, Character Set • Speed - Pages Per Minute (PPM) • Printer Types: • Dot Matrix, Ink Jet, Laser, Thermal • Color Laser
Output Devices... • Plotters • Pen Plotters (X-Y) • Ink-Jet • Electrostatic • Direct Image (Thermal)
Special Purpose Output Devices... • Speakers • MIDI Devices • Voice Output • Film Recorders • Digital-To-Analog Converters
User Interface • Command-Driven • Shortcut Keystrokes • Prompted • Menu-Driven • Graphical User Interface • Mouse, Keyboard & Monitor • Touch-Sensitive Screens • Voice-Driven Interface
Graphical User Interface (GUI) Menu Bars Pull-Down Menus Icon Menus Pop-Up Menus Scroll Bars Check/Radio Boxes Online Help Windows Environment
Where to Go for More Info.. Me Your Text Software Manuals Help Features The Internet Magazines and Journals
Your Dorm PC Hub Multimedia Classrooms Lab PCs Servers (\\svnt0?\Username$) Internet Campus Network
Local Drives • A: Drive (Floppy) • C: Drive (Hard Disk) • D: Drive (CD-ROM) • E: Drive (Zip)Local drives are physically located on your computer.
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.
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!
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
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!
Intro to Computing t h e e n d