as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
state the purpose of each of the following computer components: ram, cpu, and hard drive.
user
ram (random access memory): ram is responsible for temporarily storing data and instructions for programs that are currently running. 

cpu (central processing unit): the cpu is the brain of the computer and is responsible for interpreting and executing instructions from programs. 

hard drive: hard drives are responsible for storing data and information permanently.
assistant