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Computer Science — Module 4: Computer systems
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What you'll learn
- AQA — Computer Science
- Computer systems AQA CS 8525 / 3.4
Inside this resource
- 4 slides
For the student — how to do this
For parents and carers
For teachers and tutors
How to check the work
Ask the learner to show or explain one idea, then try a fresh example with suitable support. Note any prompts needed; retelling alone does not show secure understanding.
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How to study with Computer Science — Module 4: Computer systems
This parent guide connects the page examples with a practical study routine. The listed resource is labelled Computer Science, GCSE, Year 10, Year 11, E-Learning Module. Use that context, the learning summary and published prompts to agree what firm work should demonstrate.
Prepare a focused session
Read the title and learning focus side by side. Ask the learner to identify the knowledge, terminology or method they may need. Scan each sample and identify action words, values, clues, conditions or new terms. Agree a focused time window, remove interruptions and gather useful tools such as paper, pencil, ruler, coloured pens, calculator, headphones or a device. Encourage an independent opening attempt so the work reveals firm understanding and gaps. A quiet pause often supports recall better than an same-session answer.
Make thinking visible
Invite the learner to restate the task in their own words. They can underline essential information, divide a complex problem into shorter steps, create a diagram, sort details, practise a sentence or describe a planned method. Ask why their route fits and whether another plan could work. When work stops, provide a staged hint: state again the goal, point towards a useful example, limit the choice, then model only the next step. Return control directly afterwards. Spoken reasoning exposes mistakes and practises correct subject language.
Check accuracy and understanding
Compare the attempt with visible answer guidance after honest effort. Inspect more than the final work: review the method, explanation, units, details, sequence, spelling or presentation where useful. Ask the learner to identify the opening point where their reasoning changed path. Complete corrections actively in a different colour or separate space, followed by a short description of the improvement. For a correct answer, ask for reasoning and one independent check. This distinguishes confident knowledge from guessing while building accuracy, reflection and careful working habits.
Consolidate and extend
Finish with retrieval from memory. Cover the example and ask for the core idea, process or fact again. Create one small alternative by adjusting a value, condition, example, viewpoint or level of support while keeping the learning focus. Invite the learner to write a related question and supply checking guidance. Record one success and one clear next step, perhaps reviewing terminology, repeating a calculation, adding details or refining clarity. Recheck that target again in the week because spaced review gives better information than same-session repetition.
The interactive player, downloadable file and complete answer material retain their existing access controls. The guide supports preparation, discussion and review.
Sample questions and answers
Try five questions from this exact activity. Review each authored answer and explanation, then note which ideas need another look. Compare the options and explain why the answer fits. Say the reasoning aloud or write a short justification before opening the interactive player to complete the activity and save progress.
The component that fetches and processes instructions is the…
- GPU
- CPU
- PSU
- RAM
Sample answer: CPU
Explanation: The CPU processes instructions.
The architecture where data and instructions share the same memory is … architecture.
- Harvard
- Von Neumann
- cloud
- parallel
Sample answer: Von Neumann
Explanation: Von Neumann shares memory.
The part of the CPU that carries out calculations is the…
- ALU
- Control Unit
- cache
- bus
Sample answer: ALU
Explanation: The ALU does arithmetic and logic.
The part of the CPU that directs and coordinates operations is the…
- ALU
- Control Unit
- register
- clock
Sample answer: Control Unit
Explanation: The Control Unit directs operations.
Very small, very fast stores inside the CPU are called…
- registers
- hard drives
- pixels
- packets
Sample answer: registers
Explanation: Registers are tiny fast CPU stores.