THE INTERNET, INTRANETS, EXTRANETS

THE INTERNET, INTRANETS, EXTRANETS

1. An electornic device operating under the control of instructions stored in in its own memory

   • Collects data (input)
     • Processing
       • Produces information (output)

2. Computer system catagories

   • Supercomputers (most powerful)
     • Mainframe Computers
       • Midrange Computers (server)
         • MIcrocomputers (mostly wide users)

3. Microcomputer Types

   • Desktop
     • Notebook
       • Tsblet PC
         • Handheld

4. Common Input Device

   • Keyboard
     • Pointing devices
       • Speech Recognition

5. COmmon Output Device

   • Video Output ; CRT & LCD
     • Printed Output ;Inkjet & laser

6. Flash Memory Storage

   • More durable
     • Longer life
       • Faster Access tme

7. Internet is a worldwide collection of networks that links millions of businesses

8. Originated as ARPANET in september 1969

9. The World Wide Web

   • A web browser that allows users to access Web pages and Web 2.0 programs
     • Internet Explorer
       • Firefox
         • Google Chrome
           • Safari
   • Search Engine ; Finds information related to a topic
     • Subject directory ; Classifies Web pages in an organized

10. Thw internet in 2020

11. Intranet

12. Extraet

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