If you are preparing for the PMP exam, it is very important for you to first, understand the 47 processes from PMBOK and then memorize them all. Furthermore, If you think that you have sharp memory, should should also memorize all or some of the inputs, outputs and tools/techniques of each process.
The document I am publishing here shows the 47 processes tree, with their inputs, output and tools/techniques, in a chart form. This document will help you understand and memorize the 47 processes easily. You can print this document after downloading and stick on your office desk, near your bed or anywhere you spend more time, to memorize it quickly. Use the link below to download the document.
Also download, another type of the process chart, here