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Memory types

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Mindmap am Memory types, erstellt von coronadozmb am 29/04/2014.
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Zusammenfassung der Ressource

Memory types
  1. The memory stores data and instructions for running programs.
    1. Old Memory
      1. FERRITE MEMORY
        1. The memory has a point ferrite ring
          1. Static memory wiring routing RAM type
            1. No volatile and Read-destructive
            2. THIN MEMORIES AND SILVER THREAD
              1. Has a thin magnetizable layer
                1. matrix of wires connected to the transducers is established
                  1. The layer is deposited on a support thickness of about 10 - 4mm
                2. RAM MEMORY
                  1. random access memory
                    1. loses its data when the computer is turned off
                      1. RAM memory types
                        1. DRAM
                          1. dynamic random access menory
                            1. It is organized in memory addresses are replaced many times per second
                            2. SRAM
                              1. Static Random Access Memory
                                1. It works faster, does not replace the instructions and the values stored in it
                                2. VRAM
                                  1. Is a special purpose memory used by video adapters
                                  2. SIMM
                                    1. is a small printed circuit board
                                      1. They are easy to install and are measured in bytes instead of bits
                                      2. DIMM
                                        1. Usually uses a 168-pin connector
                                        2. RAM Disk
                                          1. RAM is configured to simulate a hard disk
                                          2. RAM CACHE
                                            1. A static part of SRAM used as main memory
                                        3. ROM MEMORY
                                          1. read only memory
                                            1. recorded in the manufacturing process with permanent information
                                              1. ROM memory types
                                                1. PROM
                                                  1. type of ROM that can be programmed using a special process
                                                  2. EPROM
                                                    1. is a ROM that can be erased and then reprogrammed completely
                                                    2. EEPROM
                                                      1. It can be erased by electrical impulses

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