A Level Computer Science Notes

OVERVIEW

• OCR Specification
• OCR Content Clarification

CONTENTS

Computer Systems - Component 1

• 1.1 Characteristics of contemporary processors, input, output and storage devices

  • 1.1.1 Structure and function of the processor
  • 1.1.2 Types of processor
  • 1.1.3 Input, output and storage

• 1.2 Systems and software development

  • 1.2.1 Systems software
  • 1.2.2 Applications generation
  • 1.2.3 Software Development
  • 1.2.4 Types of programing languages

• 1.3 Exchanging data

  • 1.3.1 Compression, encryption and hashing
  • 1.3.2 Databases
  • 1.3.3 Networks
  • 1.3.4 Web technologies

• 1.4 Data types, data structures and algorithms

  • 1.4.1 Data types
  • 1.4.2 Data structures
  • 1.4.3 Boolean Algebra

• 1.5 Legal, moral, cultural and ethical issues

  • 1.5.1 Computing related legislation
  • 1.5.2 Moral and ethical issues

Algorithms and programming - Component 2

• 2.1 Elements of computational thinking

  • 2.1.1 Thinking abstractly
  • 2.1.2 Thinking ahead
  • 2.1.3 Thinking procedurally
  • 2.1.4 Thinking logically
  • 2.1.5 Thinking concurrently

• 2.2 Problem solving and programming

  • 2.2.1 Programming techniques
  • 2.2.2 Computational methods

• 2.3 Algorithms

  • 2.3.1 Algorithms

Programming project - Component 3

• Rhythm game project

Other programming

• Summer 2021
• OCR challenges
• Programming Challenge book

Exam Questions

• a-level-study.co.uk
• physicsandmathstutor.com
• smartrevise.online

Exam notes

• AO1 - Demonstrate knowledge and understanding of the principles and concepts of computer science
• AO2 - Apply knowledge to analyse problems in computational terms
• AO3 - Evaluate computer systems, making judgements and presenting conclusions