This document contains information on the types of processor there is alongside the guidance given by the OCR specification for A-Level computer science.

This document contains information on the factors that affect the speed of a processor along with the content of the OCR A-level specification for Computer Science

This document contains information of the details of the CPU of a computer which is needed for the OCR A-Level specification.

This document contains all the condensed information for unit 1 of the Computer Science (OCR) A-Level. This has all the information for the structure of a processor, the FDE cycle, processor architecture, pipelining and the different registers in the CPU.

spider diagrams explaining and mapping out all the practical skills needed for OCR Biology A a level.

OCR Biology A A Level condensed notes covering the entire specification. 157 note cards organised by topic area. Each card is numerically cross-referenced to other cards that contain similar information for ease of understanding. Very well presented and easy to read. - I used these myself and earned an A* so learn them and the good grades will come!

This powerpoint contains all the relevant information for this topic, ranging from features and functions of organelles to different types of microscope information needed for the OCR exam.