<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:  Provide a common data structure used in computer science. Context: A common data structure used in computer science is an array, representing a collection of elements stored at contiguous memory locations. Answer: [/INST]It is an array, a collection of elements stored at contiguous memory locations.</s>