EMTECH

• Information and communicatives


  Technogy
• All computer technology allows access, retrieve, store, and manipulate information in digital form
• Components of Computer Technology


  • People
  • Processes
  • Methods
• Computer technology can help increase productivity
• Telecommunication


  Communication over long distances using electromagnetic signals
• Web technology


  Enables communication over a network
• Data transfer


  Transfer of data from one point to another
• Wireless communication


  Includes infrared, radio, and microwave signals
• Satellite communication


  Allows transfer of information to a receiving device connected to a network
• Network is a system connecting two or more computers
• Vacuum tubes were invented in 1945 by John Ambrose Fleming
• Vacuum tubes were the basic component for electronics in the first half of the 20th century
• Applications of vacuum tubes

  • Television
  • Radar
  • Sound recording & production
  • Telephone
• Analog and digital companies use vacuum tubes
• Setbacks of vacuum tubes include large size and expensive power usage
• Mark I was a huge computer that used switches