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The memory bus is a type of computer bus, usually in the form of a set of wires or conductors which connects electrical components and allow transfers of data and addresses from the main memory to the central processing unit (CPU) or a memory controller. It is part of a PC’s collection of transport buses that are used for high-speed data channeling and transferring of information to and from certain parts of the system. To reduce time delays, newly-designed memory buses are made to directly connect to dynamic random access memory (DRAM) chips instead of passing through different controllers.