AQA GCSE Computer Science (8525) is assessed by two papers worth 90 marks each: Paper 1 on computational thinking and programming skills (2 hours) and Paper 2 on computing concepts (1 hour 45 minutes). Our AQA GCSE Computer Science course follows the 8525 specification and covers algorithms, programming in Python, data representation, computer systems, networks, cyber security, databases and SQL, and the ethical and legal impacts of technology. You prepare for Paper 1 (computational thinking and programming) and Paper 2 (computing concepts), writing and tracing real code. Lessons are live and one-to-one with a verified subject tutor, who works through exam-style questions with you, marks your answers against the AQA mark scheme and shows you where marks are won and lost. Suitable for Year 10 and Year 11 students and resit candidates.
Reviewed by P. Gaurav, B.Tech in Computer Science and EngineeringLast updated
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In short: this course gives one-to-one online tutoring for AQA GCSE Computer Science (8525). A verified computer science tutor teaches computational thinking, programming in your chosen language, data representation, systems, networks and databases, using AQA past papers and mark schemes.
AQA GCSE Computer Science (8525) teaches how computers work and how to solve problems with algorithms and programming. It is graded 9 to 1, has no tiers and is assessed by two exams: one on computational thinking and programming, and one on theory.
This course covers the full 8525 specification one to one with a verified computer science tutor, building programming confidence alongside the theory.
Official specification: AQA GCSE Computer Science 8525.
There are two written papers, each worth 90 marks and 50% of the GCSE.
| Paper | Content | Time | Question types |
|---|---|---|---|
| Paper 1: Computational thinking and programming skills | Algorithms, code tracing, programming concepts, designing, writing, testing and refining code (subject content 3.1–3.2), in C#, Python or VB.NET | 2 hours | Multiple choice, short and longer answers |
| Paper 2: Computing concepts | Subject content 3.3–3.8, including data representation, systems, networks, cyber security, SQL and impacts | 1 hour 45 minutes | Multiple choice, short, longer and extended responses, including SQL |
AQA weights GCSE Computer Science at about 30% knowledge and understanding (AO1), 40% applying it (AO2) and 30% analysing problems and designing, programming, evaluating and refining solutions (AO3). Paper 1 carries most of the AO3 marks, so programming practice matters.
| Objective | What it tests | Overall weighting |
|---|---|---|
| AO1 | Knowledge and understanding of key concepts | 30% |
| AO2 | Applying knowledge and understanding | 40% |
| AO3 | Analysing problems; designing, programming, evaluating and refining solutions | 30% |
| Area | Topics |
|---|---|
| Algorithms and programming | Algorithms, pseudocode, searching, sorting, programming concepts |
| Data representation | Binary, hexadecimal, characters, images, sound, compression |
| Computer systems | Hardware, software, Boolean logic, CPU, memory and storage |
| Networks and cyber security | Network types, protocols, layers, threats and prevention |
| Databases | Relational databases and SQL |
| Impacts | Ethical, legal and environmental issues |
Programming questions carry a large share of the marks. Tutors teach you to read, trace, write and debug code in Python, and to write algorithms in pseudocode and flowcharts.
AQA Paper 1 lets you answer in C#, Python or VB.NET, so tutors teach in the language your school uses.
Binary and hexadecimal questions appear every year. Tutors make conversions, binary arithmetic, character sets, image and sound representation, and file-size calculations quick and reliable through clear methods and practice.
Here is a typical data representation question: convert the 8-bit binary number 10110110 to denary and hexadecimal.
| Step | Working |
|---|---|
| Place values | 128, 64, 32, 16, 8, 4, 2, 1 |
| Add the 1s | 128 + 32 + 16 + 4 + 2 = 182 |
| Split into nibbles | 1011 and 0110 |
| Each nibble in hex | 1011 = 11 = B; 0110 = 6 |
| Answers | 182 in denary; B6 in hexadecimal |
Students most often lose computer science marks by writing code that doesn't meet every requirement, skipping trace tables, mixing up similar terms, giving one-word answers to explain questions and forgetting edge cases in algorithms.
| Mark-loser | What to do instead |
|---|---|
| Code missing requirements | Tick off each requirement in the question |
| No trace table | Trace line by line, recording every variable |
| Similar terms confused | Learn precise definitions, such as RAM vs ROM |
| One-word explanations | Explain with a reason or example |
| Edge cases ignored | Test empty, boundary and invalid inputs |
Lessons are live and one to one on video with screen sharing, so you can write and run code together. Your tutor diagnoses gaps, sets practice questions and marks them against the AQA mark scheme. See also our Computer Science subject page and programming homework help.
A GCSE computer science tutor online gives you live 1-to-1 lessons on the AQA 8525 topics, from algorithms and programming to networks, cyber security and SQL.
This course suits Year 10 and Year 11 students on AQA 8525, including those new to programming.
Prerequisites: basic computer use and maths. No programming experience is needed.
Course length: 40 one-hour lessons across 12 modules.
| Stage | Topics | What you can do afterwards |
|---|---|---|
| 1 | Algorithms; programming | Trace algorithms and write programs |
| 2 | Data representation; computer systems; Boolean logic | Convert number bases and draw logic circuits |
| 3 | Languages and translators; architecture; memory and storage | Explain how computers run code |
| 4 | Networks; cyber security; databases and SQL; impacts | Write SQL and explain threats and networks |
Where it leads: see the OCR GCSE Computer Science course if your school follows OCR, or the Python for Data Science course for the next step.
AQA publishes recent AQA GCSE Computer Science past papers, mark schemes and examiner reports on its website, and schools can access more through their secure portals. Use them under timed conditions, then mark your answers carefully with the mark scheme. Your tutor sets past-paper questions topic by topic, then full timed papers closer to your exam.
Two exams, each worth 50% of the GCSE.
Python is the most common choice. Tutors teach in the language your school uses.
No. Every student sits the same papers and can achieve grades 9 to 1.
Split the binary number into groups of four bits from the right and convert each group to a single hex digit (0–9, A–F).
A table used to follow the values of variables as an algorithm runs, step by step, to check how it works or find errors.
The programming can be challenging at first, but regular practice with a tutor builds confidence quickly.
There is no assessed coursework, but you're expected to practise programming throughout the course.
The price depends on the tutor and session length. You see the hourly rate before booking, with no subscription.
Yes. Tutors use AQA-style questions and mark them against the mark scheme.
Paper 1 is 2 hours and Paper 2 is 1 hour 45 minutes; each is 90 marks and 50%.
AQA publishes grade boundaries for AQA GCSE Computer Science after each exam series, and they change from year to year with paper difficulty. They show the raw marks needed for each grade. Your tutor marks full past papers and compares your scores with recent boundaries to estimate your grade and target the topics that matter most.
About AO1 30%, AO2 40% and AO3 30%, with Paper 1 carrying most AO3 marks.
Yes. Paper 2 can include SQL programming questions.
Practise writing short programs regularly, trace code by hand and test your solutions with boundary data.
Tutors can teach programming skills and help you practise, while any assessed project stays your own work.
Yes. Lessons are online, so you can book times that suit your time zone and school week.
Weekly lessons suit most students; add extra sessions before mocks and final exams.
Yes. You can book one session to see if the tutor suits you, with no subscription.
Yes. Parents can book, choose the tutor and agree goals, and the student joins the lessons.
Yes. You can learn with a 1-to-1 GCSE computer science tutor online through live lessons with a shared screen. Your tutor explains theory topics, traces algorithms with you, helps you practise code in your school language and uses past papers to build exam technique.
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