TAILIEUCHUNG - Lecture Introduction to Computers: Chapter 2A - Peter Norton's

Chapter 2A - The internet and the World Wide Web. This lesson introduces you to the keyboard and the mouse. You will learn the importance of these devices, the way the computer accepts input from them, and the many tasks they enable you to perform on your PC. | McGraw-Hill Technology Education Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 2A The Internet and the World Wide Web The Internet’s History 1969 – ARPANET Developed by the Department of Defense Connected universities and defense bases 1973 – ARPANET connects to Europe 2A- ARPANET 1973 2A- The Internet’s History Mid-1980s – NSFNet Network between supercomputers Internet was the link to ARPANET No commercial traffic allowed 1990s ARPANET shut down NSFNet abandoned Commercial networks take over 2A- Discussion point Have students discuss the pros and cons of no central control for the Internet. Some discussion points can include copyright issues, free speech, advertisements and information access to all. Today and the Future 100,000 new web sites per month More than 50% of . households online Access is available throughout the . Eventually access will be global 2A- . Internet Growth 2A- The Internet’s Major Services The World Wide Web (WWW) Developed in 1993 by Tim-Berners Lee Allowed connection of documents Required a browser to read documents Electronic mail (e-mail) Instantaneous transmission of documents 2A- The Internet’s Major Services News Often called newsgroups Electronic discussions on several topics File Transfer Protocol (FTP) Sends and receives files 2A- Teaching tip Show a typical news group to the students in class. Be sure that you have connected and downloaded all posts before trying the demonstration. Demonstrate the use of ftp to change a web site. The Internet’s Major Services Chat Public real time conversation Instant messaging Private real time conversation Peer-to-peer services Allows sharing of files among users Napster and Kazaa are examples Illegal to share copyrighted material 2A- Discussion point Recently the pop artist Madonna posted several copies of her songs on Kazaa and other file sharing services. Instead of music, she talked at length about copyright .

• Hệ điều hành
• Introduction to Computers
• Computer systems
• Computer science
• Internet’s history
• World Wide Web
• Search techniques
• Discovering Computers
• A World of Computers
• The Components of a Computer
• Advantages of Using Computers
• Disadvantages of Using Computers
• Computers in society
• Computer defined
• Computers for organizations
• Introduction to java programming
• Introduction to Programs
• Introduction to Java
• TicTacToe Applet
• SelfTest Website
• Transforming data
• Number systems
• Computers represent data
• Java How to Program
• Assembly languages
• Hight level languages
• Introduction to object technology
• Typecal java development environtment
• Bài giảng Nhập môn tin học
• Nhập môn tin học
• Data processing
• Characteristic features of computers
• Computers evolution to their present form
• Computers generations
• Introduction to Computing
• Fundamental Concepts
• Computer History
• Analogue Computers
• First Digital Computers
• Today’s Computers
• Information processing cycle
• Computer hardware
• Software runs the machine
• E mail addresses
• File Transfer Protocol
• Internet Relay Chat
• The keyboard
• Input device
• Mechanical mouse
• Inputting data
• Devices for the hand
• Optical input devices
• Audiovisual input devices
• Output device
• Video card
• Cathode Ray Tube
• Electronic magnetic fields
• Impact printers
• High quality printers
• Ink jet printers
• Modern CPUs
• Microcomputer processors
• Advanced micro devices
• Storage devices
• Categorizing storage devices
• Magnetic storage devices
• Improving drive perform ance
• Average access time
• Data transfer rate
• Operating system
• User interface
• Managing hardware
• Network operating systems
• PC operating systems
• Embedded operating systems
• Productivity software
• Acquiring software
• Word processing programs
• Graphics file formats
• Multimedia basics
• Graphics software
• Hybrid networks
• Sharing data
• Local Area Network
• Standard telephone lines
• Digital data connections
• Wireless networks
• Online world
• Internet through wires
• Internet wirelessly
• Consumer level
• Business level