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Computer (student preso)
 

Computer (student preso)

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student presentation

student presentation
general physics 1
presentation 3 group 2
electricity in our daily lives
7 mar 2009

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    Computer (student preso) Computer (student preso) Presentation Transcript

    • Electricity in Our Daily Lives
    •  
    • And the Best Epitome of Those is …
    • Computer
    • Computer
    • Process
      • The electricity flows through the semi conductor gate by conveying the signal of binary of “0” and “1”.
      • The smaller the CPU, the faster the switching time; hence, faster process.
      *A video graphic processing unit uses the same methods. It processes only the visualization
    • Storage Devices
      • Hard disks
        • It uses a non-magnetic platter coated with a magnetic materials. The platter spins at a high velocity. The information is written or read when it passes though the read and write heads.
        • The heads detect the magnetization of the platter.
        • The information is stored as binary digits format.
    • Random Access Memory (RAM)
      • It is kind of a circuit that is used to store the information by changing the state of circuit or by changing the charge of capacitor.
      • It needs to be fed by electricity. When the power is out, the memory will be reset; therefore, the information will be erased.
    • Display
      • In the modern world, the most popular type of monitor is LCD (Liquid Crystal Display).
      • A pitch of one pixel is made of liquid which reacts to voltage. When voltage flows to this pitch, the color will change.
    •