OCR J277 Specification Reference - Section 2.2 Don't forget, whenever the blue note icon appears in the corner of the screen, that is your cue to take notes about the content being shown on the current slide. 00:00 Introduction 00:12 Reading data from text files 05:42 Writing data to text files 07:36 Recap 08:22 OCR exam reference language Comments are disabled on our videos because we want to ensure they are always appropriate to use in the classroom. However, we value your feedback, so if you have any comments or questions for us, please contact us directly at [email protected].