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K–12 School & State Exams
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GCSE Computer Science: OCR Systems & Programming

GCSE preparation with worked examples, written practice and independent learning assessments.

OCR J277 topic preparation. Python examples and practical design/test/debug work; include both papers. Practical programming is required experience, not a separate coursework mark. Do not confuse OCR reference language with Python syntax. Includes lessons, supplementary YouTube tutorials, practical exercises, quizzes and free/paid practice tests. Erudex is independent, not affiliated with the source institution or awarding body. Its 80% learning checks are not official grades or university credit. Content requires qualified subject review before use as a complete teaching programme.

32h Certificate available
UKGCSEIndependent preparation

Curriculum

One complete track with its own final exam and certificate.

OCR J277 topic preparation. Python examples and practical design/test/debug work; include both papers. Practical programming is required experience, not a separate coursework mark. Do not confuse OCR reference language with Python syntax.

CPU architecture, fetch-decode-execute, performance and embedded systems

  • CPU Architecture and the Von Neumann Model Lab60 min
  • The Fetch-Decode-Execute Cycle Lab60 min
  • Factors Affecting CPU Performance Lab60 min
  • Embedded Systems Lab60 min

Careers this prepares you for

    How you study

    Every lesson pairs an in-depth video with written notes, key takeaways, a hands-on lab, exercises and a quiz. Work at your own pace, then sit the final examination for your Erudex certificate.