13. OCR GCSE (J277) 1.2 Processing binary data
About this video
OCR J277 Specification Reference - Section 1.2
This video explores how and why data we retrieve from the "real" world needs to be converting into binary in order to be processed by a computer.
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 Processing binary data
00:09 Intro
00:14 Living in an analogue world
01:08 What is binary?
01:24 Random-access memory (RAM)
01:45 Hard disk
01:56 Optical discs: DVD-RW
02:08 Solid-state memory
02:17 Recap
02:50 Outro
Last updated: 23.02.26
