Technology in Action, Fourth Edition CGS 1000 Introduction to Computers and Technology Spring 2008

Technology in Action, Fourth Edition Topics Syllabus Syllabus Chapter 1 Chapter 1 HawkMail HawkMail

Technology in Action, Fourth Edition Chapter 1 Why Computers Matter to You: Becoming Computer Fluent

Technology in Action, Fourth Edition Objectives Computer fluency Computer fluency Computers and careers Computers and careers Computer functions Computer functions Data vs. information Data vs. information Computer hardware and software Computer hardware and software Societal challenges and computers Societal challenges and computers Future technologies Future technologies

Technology in Action, Fourth Edition What is Computer Fluency? To be computer fluent you must: To be computer fluent you must: Understand a computer’s capabilities and limitations Understand a computer’s capabilities and limitations Know how to use a computer Know how to use a computer

Technology in Action, Fourth Edition Make good purchase decisions Make good purchase decisions Maintain your computer Maintain your computer Keep abreast of changes in technology Keep abreast of changes in technology Understand the real risks Understand the real risks Use the Internet wisely Use the Internet wisely Avoid online annoyances Avoid online annoyances Avoid hackers and viruses Avoid hackers and viruses Protect your privacy Protect your privacy Being a Savvy Computer User and Consumer

Technology in Action, Fourth Edition Computers in your Career? Computer careers in: Computer careers in: Business Business The Arts The Arts The Medical Field The Medical Field Law Enforcement Law Enforcement Legal Fields Legal Fields Education Education The Sciences The Sciences Gaming Gaming Homes Homes

Technology in Action, Fourth Edition Computers in Business Point of Sale Terminals Point of Sale Terminals Tracking merchandise Tracking merchandise Data mining Data mining

Technology in Action, Fourth Edition Computers in Farming and Ranching Assist in managing complex farming business and information systems Assist in managing complex farming business and information systems RFID tags track and record animals in case of diseases RFID tags track and record animals in case of diseases Computerized sensors and equipment activation protect crops Computerized sensors and equipment activation protect crops

Technology in Action, Fourth Edition Computers in the Arts Virtual art Virtual art Virtual dance

Technology in Action, Fourth Edition Computers in the Medical Field Virtual reality in medical applications Virtual reality in medical applications Patient simulator Patient simulator Da Vinci Surgical System

Technology in Action, Fourth Edition Computers in Law Enforcement Computer forensics Computer forensics

Technology in Action, Fourth Edition Computers in the Legal Fields Surveillance cameras Surveillance cameras Forensic animation Forensic animation

Technology in Action, Fourth Edition Computers in Education Computers in the classroom Computers in the classroom Distance education Distance education Computerized research Computerized research The Internet The Internet

Technology in Action, Fourth Edition Computers and the Sciences Supercomputers Supercomputers Archeology Archeology Meteorology Meteorology

Technology in Action, Fourth Edition Computers in Sports Training Training Timing and scorekeeping Timing and scorekeeping Data storage and statistics Data storage and statistics “Smartballs” sense when soccer goals are scored “Smartballs” sense when soccer goals are scored

Technology in Action, Fourth Edition Computer Gaming Careers Programming Programming 3D animation 3D animation

Technology in Action, Fourth Edition Computers at Home Robotics Robotics Smart appliances Smart appliances Robomower Internet- connected refrigerator

Technology in Action, Fourth Edition Technology of Tomorrow Nanoscience Nanoscience Biomedical chip implants Biomedical chip implants Artificial Intelligence Artificial Intelligence

Technology in Action, Fourth Edition Nanoscience Molecules and nanostructures Molecules and nanostructures Nanomachines Nanomachines Four-α-helix protein scaffold 5.4n m Fluid flow inside Nanomachines

Technology in Action, Fourth Edition Biomedical Chip Implants Technological solutions to physical problems Technological solutions to physical problems Identity chips Identity chips Retinal Implants VeriChip

Technology in Action, Fourth Edition Artificial Intelligence Robots Robots Neurons vs. Microchips Neurons vs. Microchips

Technology in Action, Fourth Edition Challenges Facing a Digital Society Computer use ethics Computer use ethics Privacy risks Privacy risks Personal data collection Personal data collection Monitoring Monitoring Copyright infringement Copyright infringement Software piracy Software piracy

Technology in Action, Fourth Edition Becoming Computer Fluent Data processing Data processing Bits and bytes Bits and bytes Computer hardware Computer hardware Computer software Computer software Computer platforms Computer platforms Specialty computers Specialty computers

Technology in Action, Fourth Edition Computers are Data Processing Devices Four major functions: Four major functions: Input data Input data Process data Process data Output information Output information Store data and information Store data and information DATA IN INFORMATION OUT

Technology in Action, Fourth Edition Bits and Bytes: The Language of Computers Bit Bit Binary digit Binary digit 0 or 1 0 or 1 Byte Byte Eight bits Eight bits ASCII ASCII Each byte represents a letter, number or special character Each byte represents a letter, number or special character OFF 0 ON 1 Microchip Switch = = A 0

Technology in Action, Fourth Edition How Much is a Byte? NAMEABBREVIATIONNUMBER OF BYTES RELATIVE SIZE ByteB 1 byteCan hold one character of data. KilobyteKB 1,024 bytesCan hold 1,024 characters or about half of a typewritten page double-spaced. MegabyteMB 1,048,576 bytesA floppy disk holds approximately 1.4 MB of data, or approximately 768 pages of typed text. GigabyteGB 1,073,741,824 bytesApproximately 786,432 pages of text. Since 500 sheets of paper is approximately 2 inches, this represents a stack of paper 262 feet high. TerabyteTB 1,099,511,627,776 bytesThis represents a stack of typewritten pages almost 51 miles high. PetabytePB 1,125,899,906,842,624 bytesThe stack of pages is now 52,000 miles high, or about one-fourth the distance from the Earth to the moon.

Technology in Action, Fourth Edition Computer Hardware Input devices Input devices System unit System unit Output devices Output devices Storage devices Storage devices

Technology in Action, Fourth Edition The rain in Spain Input Devices Enter data to be processed Enter data to be processed Keyboard Keyboard Scanners Scanners Mouse Mouse Trackball Trackball Touch screen Touch screen Microphone Microphone Game controller Game controller Digital camera Digital camera ABCD

Technology in Action, Fourth Edition System Unit Cabinet that houses all components Cabinet that houses all components Motherboard Motherboard CPU CPU Memory modules Memory modules System Unit CPU Motherboard Memory Module

Technology in Action, Fourth Edition Output Devices Enable us to see or hear the processed information Enable us to see or hear the processed information Monitor Monitor Speakers Speakers Printers Printers

Technology in Action, Fourth Edition Storage Devices Enable us to store data or information to be accessed again Enable us to store data or information to be accessed again Hard Disk DriveCD / DVD DriveFloppy Disk Flash Drive

Technology in Action, Fourth Edition Computer Software Software - programs that enable the hardware to perform different tasks Software - programs that enable the hardware to perform different tasks Application software Application software Tools for getting things done Tools for getting things done

Technology in Action, Fourth Edition Computer Software System software System software Essential for platform operation and support Essential for platform operation and support

Technology in Action, Fourth Edition Computer Platforms: PCs and Macs PC CPU – Intel, AMD CPU – Intel, AMD Operating system – Microsoft Windows Operating system – Microsoft Windows Mac CPU – Motorola Operating system – Apple Mac OS

Technology in Action, Fourth Edition Specialty Computers PDA PDA Server Server Mainframe Mainframe Supercomputer Supercomputer Microcontrollers Microcontrollers Server Mainframe Supercomputer PDA

Technology in Action, Fourth Edition Questions?