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Course 1 – Paper 1 – OCR Computer Systems

Overview

This 12-week course provides an in-depth exploration of computer systems, architecture, networks, and data management. Students will gain a strong theoretical foundation, supported by practical examples and exam-focused strategies. By the end of the course, learners will confidently analyse and explain complex computing concepts, ensuring readiness for A Level Paper 1.

12-Week Course

This 12-week A Level course deepens understanding of algorithms, programming and exam technique, with discussion and problem-solving in a small group.

Effective rate: £55 per lesson over 24 structured lessons.

  • Max group of 5 students
  • Full A Level specification coverage
  • Focus on problem-solving and exam skills
  • Topic papers, revision resources and reviews
  • Ongoing feedback and progress tracking

Detailed Week-by-Week Outline

Learning Objective: Explore CPU design, components, registers, and the fetch–decode–execute cycle.

Activities: Analyse CPU diagrams, identify registers, and simulate instruction cycles using visual tools.

Learning Objective: Understand RAM, ROM, cache, virtual memory, and storage technologies.

Activities: Compare memory types, discuss performance impact, and calculate storage requirements.

Learning Objective: Convert between binary, hexadecimal, and denary; represent text and images.

Activities: Practise conversions, encode text using ASCII/Unicode, and calculate image file sizes.

Learning Objective: Floating-point numbers, sound representation, and compression.

Activities: Represent sound using sample rate and bit depth, explore lossy vs lossless compression.

Learning Objective: Learn about topologies, hardware, and communication protocols.

Activities: Draw network diagrams, compare LAN/WAN setups, and discuss wired vs wireless transmission.

Learning Objective: Network security, encryption, firewalls, and authentication.

Activities: Simulate encryption techniques, analyse security threats, and review authentication methods.

Learning Objective: Understand scheduling, memory management, and device handling.

Activities: Explore OS functions, discuss multitasking, and compare CLI vs GUI interfaces.

Learning Objective: Explore relational databases, SQL queries, and data normalisation.

Activities: Write SQL queries, practise filtering and sorting, and explain normalisation principles.

Learning Objective: Construct truth tables, apply De Morgan’s laws, and design logic circuits.

Activities: Build truth tables, simplify logic expressions, and design simple circuits.

Learning Objective: Examine data protection, IP law, and computing ethics.

Activities: Debate ethical scenarios, review GDPR principles, and analyse case studies on IP infringement.

Learning Objective: Analyse past-paper questions and improve structured written answers.

Activities: Practise structuring long-answer responses, use mark schemes, and apply PEEL technique.

Learning Objective: Complete a full Paper 1 mock and receive detailed feedback.

Activities: Attempt a full mock exam under timed conditions, followed by detailed feedback and improvement planning.

Outcome

Students gain a deep understanding of computer systems, architecture, networks, and data representation. By the end of the course, learners will confidently tackle theoretical questions and apply knowledge to real-world computing scenarios.

Key Benefits:

  • Comprehensive coverage of A Level Paper 1 topics
  • Interactive learning with practical examples
  • Exam-focused approach with past-paper practice
  • Confidence in answering extended theoretical questions

Ready to master A Level Computer Systems & Theory? Enrol now for guaranteed progress!

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