The ClearRevise OCR GCSE Computer Science J277 Revision Guide by PG Online Limited is a comprehensive book in paperback format, perfect for students looking to revise and prepare for their Computer Science exams. Published in 2020, this guide covers a range of topics and concepts relevant to the GCSE Computer Science curriculum. With a clear and concise approach, this revision guide is suitable for beginners, intermediate, and advanced students, providing valuable insights and information for exam success. Additionally, the guide includes preowned practice papers to help students test their knowledge and skills in preparation for their exams. Get your hands on this essential resource for GCSE Computer Science revision.