B acts get data or set of commands from the program that are active on the computer, and then forwarded to the CPU to process data analysis and calculations required.
RAM serves the information or instructions from programs that are currently enabled on your computer. Then forwarded to the CPU for processing, calculation and analysis as needed.
The hotel serves to receive data from the computer program or algorithm is enabled on the computer, and forwarded to the CPU for processing. Calculation and analysis of information on demand.