Computer Science from September 2017 to February 2018

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  • Hardware
    • Wired and Wireless Networks
      • LAN
        • Local Area Network
        • Covers a small geographic area located on a single site.
      • WAN
        • Wide Area Network
        • Covers a large geographic area, connecting LANs together.
    • Storage
      • Common types of Storage
        • Optical
        • Magnetic
        • Solid State
      • Secondary Storage
        • CD/DVD
          • Optical
        • Hard Disk Drive
          • Magnetic
        • SD cards
          • Solid State
      • Primary Storage
        • RAM
          • SRAM
            • Static Read Access Memory
          • DRAM
            • Dynamic Read Access Memory
        • ROM
    • Memory
      • RAM
        • SRAM
          • Static Read Access Memory
        • DRAM
          • Dynamic Read Access Memory
      • ROM
      • Flash
        • Storage
          • Common types of Storage
            • Secondary Storage
              • CD/DVD
                • Hard Disk Drive
                  • SD cards
                  • Primary Storage
                • Systems Architecture
                  • Registers & Cache
                    • PC
                      • Holds the address of the next instruction in memory.
                    • MAR
                      • Holds the address where data is fetched or stored.
                    • MDR
                      • Holds the data fetched from, or to be written to the memory.
                    • ACC
                      • Holds the results of the calculations.
                      • Holds any data that has been inputted/outputted.
                  • CPU
                    • Central Processing Unit
                • Network topologies, protocols and layers

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