(:stuff on (and in) a computer:)

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Makayla  Ejodame
Mapa Mental por Makayla Ejodame, actualizado hace más de 1 año
Makayla  Ejodame
Creado por Makayla Ejodame hace casi 6 años
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(:stuff on (and in) a computer:)
  1. ROM
    1. Read only mempory
      1. this means that you can send someone a document and they cannot change it, hence,read only memory .
      2. stores data permenantly
        1. bootstrap loader program
          1. this starts up the computer
          2. can hold software updates
          3. RAM
            1. random access memory
            2. motherboard
              1. this connects all of the components
              2. the CPU is the brains of the computer where most calculations take place.
                1. cpu
                  1. hard disk drive
                    1. A hard disk drive (HDD) is a non-volatile computer storage device containing magnetic disks or platters rotating at high speeds. It is a secondary storage device used to store data permanently, random access memory (RAM) being the primary memory device
                    2. a computer executes programs in these steps : fetch decode execute
                      1. 1 hertz
                        1. 1 cycle per second
                        2. 1 megahertz
                          1. 1,000,000 cycles per second
                          2. 1 gigahertz
                            1. 1,000,000,000 cycles per second
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