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Introduction to Computers Chapter 1
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Announcements Chapter 1 Homework: Due 1/30 Windows 7 Simulator Homework 1
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Objectives History of Computers Computer Literacy Computers and Careers Technology Challenges
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History of Computers 1936 – Z1 1942 – ABC Computer 1944 – Harvard Mark I
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History of Computers ENIAC 1 Year: 1946 Electrical Numeric Integrator And Calculator Designed to pre- calculate artillery-firing tables for different weapons under different conditions. 1800 square Feet 30 tons Can perform 5000 additions, 357 multiplications, or 38 divisions in one second.
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History of Computers S.A.G.E. Year: 1950’s Semi-Automatic Ground Environment One of the first computerized command & control systems Also one of the first to use a display screen
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History of Computers Altair 8800 Year: 1975 Input was a series of switches Output was a series of lights Sold as a kit you had to build yourself Can compute very simple programs Considered the first personal computer 256 bytes of memory 500,000 instructions per second
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History of Computers Apple II Year: 1977 Steve Wozniak & Steve Jobs First computer with an attached TV screen 1,000,000 instructions per second
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History of Computers IBM PC Year: 1981 First affordable PC system First home system to support multiple monitors 4,770,000 instructions per second
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History of Computers IBM PC Clones IBM did not legally fight companies that reverse- engineered their systems. As a result, unlike Apple, hundreds of companies sprang up over the years
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Why Become Computer Literate? Computers are everywhere And becoming more prolific every day Become a savvy user Become a knowledgeable consumer Increase career opportunities Understand ethical and legal implications
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Home Work Transportation Cars Planes Trains Boats Traffic Signals Cameras Security Systems Credit Cards TV Phones Gaming Sports Medicine Tools Prosthetics Implants Weapons / Military From hand guns to missiles Printers Air Conditioning Units Pens Water Fountains Retail Arts Education Forensics / Law Computers are Everywhere
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Become a Savvy User Avoid hackers and viruses Protect your privacy Understand privacy and security risks Use the Internet wisely
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Become a Knowledgeable Consumer Make intelligent choices when purchasing Understand the reasons for upgrading vs. buying new Save money & time Know the difference between the options available
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Computers at Work Information Technology (IT) Department Information handling Information retrieval Computers Telecommunications Software Deployment Help Desk
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Data mining Package Tracking QR Codes RFID Forecasting Models Computers in Retail
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Computer generated art Digital choreography Music Art Restoration Computers in the Arts
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Video Game Design Programming 3D Animation Computers in Gaming
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Computers in Education Instructional Software Programs Distance Education Computerized Research The Internet Virtual Field Trips Museum Podcasts Multimedia Tours
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Computers in Law Enforcement Search Databases Computer Forensics Train Law Enforcement
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Computers in the Digital Home You can control home systems from your computer and via the Internet. Entertainment Center Security Lights AC/Heating Appliances Doors Irrigation
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Computers in the Military Electronic Communications Military Career Planning High-Tech Projects
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Computers in Agriculture Software manages complex farming business intelligence Computerized sensors monitor conditions to protect crops (ex. Temperature)
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Computers in Automotive Technology Monitor and test compliance of environmental regulations Drowsiness Monitoring Computerized sensors Brakes Transmission Efficiency Tire Pressure Hybrid/Electric control Ignition Blackboxes
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Computers in Medicine Patient Simulators Surgical Robots Digital Modelling of Anatomy Biomedical Pacemakers Digital Eye Personal ID Health Monitors
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Computers in the Sciences Supercomputers are used to simulate/predict weather patterns Decode genomes Discover new treatments Model human behavior
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Improve Effectiveness of Training Improve Efficiency of Protection Timing and Automated Scorekeeping Statistics Improve Safety and Score Fitness Computers in Sports
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Nanotechnology Nano: Prefix stands for one billionth Nanoscience: Study of molecules and nanostructures Nanostructures – Range in size from 1 to 100 nanometers Nanotechnology: Science of the use of nanostructures Nanometer: One billionth of a meter
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Computers and Psychology Affective Computing The study of both modelling and stimulating human emotion Allow software to respond to emotional states Detect frustration and offer assistance Deception detection Computers will determine if you are lying or exhibiting deceptive behavior
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Challenges Facing a Digital Society Privacy Risks Personal Data Collection E-mail Monitoring Copyright Infringement Reliance on Computers for Security Digital Divide
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