Resources

Big O notation cheat sheet

A handy reference of the Big O notation for all the algorithms.

Essential algorithms and Data structures (second edition) book – source code for programs

Download source code in Python, C# and Visual Basic for all the programs in our Essential algorithms and Data structures book.

Guide to exam technique

This document provides students with advice about how to tackle exam questions.

OCR A level (H046-H446) Boolean algebra cheat sheet

A concise description and explanation of the Boolean algebra notation and laws.

OCR A level (H046-H446) Computational thinking cheat sheet

A handy reference to the aspects of computational thinking and computational methods.

OCR A level (H046-H446) Extended answer writing framework

A guide to answering 9 and 12 mark examination questions.

OCR A level (H046-H446) Pseudocode cheat sheet

This cheat sheet provides a handy reference for writing algorithms using pseudocode for OCR (H046-H446) specifications.

OCR A level (H046-H446) Revision checklist

This is a handy revision checklist lists topic by topic the body of knowledge required for the specification in preparation for examinations.

OCR A level (H046-H446) Schemes of learning

Detailed schemes of learning showing lesson by lesson the focus, key questions, activities and homework.

OCR A level (H046-H446) SLR 01 – Structure and function of the processor

This download provides you with a zip file which contains all the resources you will need to deliver this topic.

OCR A level (H046-H446) SLR 02 – Types of Processor

This download provides you with a zip file which contains all the resources you will need to deliver this topic.

OCR A level (H046-H446) SLR 03 – Input, Output & Storage

This download provides you with a zip file which contains all the resources you will need to deliver this topic.

OCR A level (H446) Programming project initial ideas

The first chapter from our popular "Documenting programming projects" book. This chapter helps students to decide on some initial ideas.

Python TIME 2 CODE

TIME 2 CODE is our full Python tutorials suitable for all exam boards and levels of study.

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