2nd October 2019

howstuffworks
10

What is bus of RAM?

by Jeff Tyson. System RAM. System RAM speed is controlled by bus width and bus speed. Bus width refers to the number of bits that can be sent to the CPU simultaneously, and bus speed refers to the number of times a group of bits can be sent each second. A bus cycle occurs every time data travels from memory to the CPU.

How is the speed of RAM measured?

Memory RAM Speed - Access Time, Megahertz (MHz), Bytes Per Second. Prior to SDRAM, speed was expressed in terms of nanoseconds (ns). This measured the amount of time it takes the module to deliver a data request. Therefore, the lower the nanosecond speed, the faster.
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