Download or read book My Revision Notes OCR Cambridge Nationals in ICT Levels 1 / 2 Unit 1 Understanding Computer Systems written by Sonia Stuart and published by . This book was released on 2013-06-28 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revision guide covers Unit 1 Understanding Computer Systems, helping you to plan and pace your revision with topics concisely covered and clearly referenced. - Essential facts that are carefully organised to make revising easier - Exam tips and hints to show your students how to avoid losing marks and get the best grades - 'Check your understanding' questions to support your students in the run-up to the exams, with answers provided free online at www.hodderplus.co.uk/myrevisionnotes/gcse-ict