Earlier, we talked about how memory holds information in a place where the CPU can get to it quickly. Let's look at that process in more detail. The CPU is often referred to as the brain of the computer. This is where all the actual computing is done.
Some systems have more than one chipset.
The design of the bus, or bus architecture , determines how much and how fast data can move across the motherboard. There are several different kinds of busses in a system, depending on what speeds are required for those particular components. The memory bus runs from the memory controller to the computer's memory sockets. When the CPU needs information from memory, it sends out a request that is managed by the memory controller. The memory controller sends the request to memory and reports to the CPU when the information will be available for it to read.