<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What is the main function of RAM in a computer system? Context: The main function of RAM is storing data and instructions that are currently being used by the CPU. Answer: [/INST]storing data and instructions that are currently being used by the CPU.</s>