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OCR GCSE Computer Science tutors

Make the logic click, then learn how to explain it.

6verified tutors available£20–£60/hr
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About OCR GCSE Computer Science

OCR Computer Science J277 assessment

PaperTimeMarksWeight
Computer systems1 hour 30 minutes8050%
Computational thinking, algorithms and programming1 hour 30 minutes8050%

A useful way to tackle a programming problem

Plan

Describe the task

Identify the inputs, the required output and the decisions the program needs to make. Use an example before writing code.

Trace

Follow the logic

Track variable values one step at a time. A trace table can reveal why a loop or condition produces an unexpected result.

Test

Challenge the solution

Try normal, boundary and invalid data where appropriate. Explain what each test checks and use the result to improve the program.

Programming and theory belong together

J277 includes practical programming opportunities, with those skills assessed in written examinations. Lessons can connect code with concepts such as data representation, memory and networks. Ask the tutor to include explanations in words as well as working programs, because both matter when your child meets a new question.

Frequently asked questions

Does my child need to know a particular language?

Tell the tutor which language the school uses. They should help your child understand the underlying ideas and the exam’s requirements rather than insist on an unrelated tool.

Can tutoring help when code works but the written answer loses marks?

Yes. Practise explaining the logic, using technical vocabulary accurately and answering the specific command word. Bring the marked question so the feedback is concrete.

How can we check the fit?

Use a free 15-minute introduction to discuss the course and a recent task. Ask how the tutor balances programming, theory and independent practice.

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