The basics of technology
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The basics of technology

The Basics of Technology

PowerPoint Lesson #1


The kinds of computers
The Kinds Of Computers

There are essentially 4 categories of Computers


Servers
Servers

  • One “main-mast” server

    • Holds huge amounts of information

    • Usually the center of a network

      • Maintains integrity of attached/detached network computers

      • Hold a little bit of data for each computer

    • Controls the entire infrastructure

    • Sometimes can be connected to via a Remote Desktop Connection


Did you know
Did You Know?

  • The “Internet” is….

    • Not one big server

      • It is actually all of our computers hooked together by connections

    • Not owned by one person

      • All of us own it equally

    • A connection to websites

      • Every website is stored on a server somewhere. The only thing controlled by the government is the domain name (ex: http://www.domainname.com)


Desktops
Desktops

  • A desktop is….

    • More commonly referred to as a Personal Computer (PC)

    • A single computer that connects to a network

    • A hardware group consisting of

      • A Monitor (if included)

      • A CPU

      • A Keyboard

      • A Mouse

    • Smaller than a Server by far!


Laptops
Laptops

  • A Laptop is…

    • A portable computer

    • Smaller than a Desktop

      • This makes its limiting factor weight and size:

        • Less capabilities for larger and better components

        • More fragile

        • Less upgrade capability

        • Does not run off of a continuous AC power supply

    • A device that connects to the internet via wireless adapter/card

    • Usually combines mouse, keyboard, and monitor


More did you know
More Did You Know?

  • An Adapter is a device that connects to a computer to give it extra functionality:

    • An Internet Connection

    • A RJ-45 Connection (Wired Connection)

    • Some extra hardware connection

  • A Router is a device that intercept wireless pings (connection attempts) and (upon connection) transfers data to and from the connected device.

  • Connection to the “Internet” can be achieved in the following ways:

    • Wireless Adapter  Router  Internet

    • RJ-45 Connection  Router or RJ-45 Outlet  Internet

    • Dial-Up  Internet

    • Dial-Up  Modem (allows for greater speed)  Internet

    • Wireless DeviceWireless Tower  Internet


Portable devices
Portable Devices

  • Any device that utilizes basic input commands and gives out a result (output).

  • Types of Portable Devices:

    • Cell Phones

    • MP3 Players

    • PDA’s

    • Walk – and - Talkies

    • Calculators

    • Etc.

  • Some of these devices can access the internet but others cannot:

    • To have internet: Must have internal or external internet adapter

    • Most Common: Cell Phones


Please take the quiz
Please Take the Quiz

  • There is a brief quiz after this to see how much you learned. Please use it to your advantage.


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