computer science past paper a level

AS and A level Computer Science Past Papers

Complete as and a level computer science past papers.

The aim of the Cambridge International AS and A Level Computer Science syllabus is to encourage learners to develop an understanding of the fundamental principles of computer science and how computer programs work in a range of contexts.

Learners will study topics including information representation, communication and Internet technologies, hardware, software development, and relational database modelling. As they progress, learners will develop their computational thinking and use problem solving to develop computer-based solutions using algorithms and programming languages. Studying Cambridge International AS and A Level Computer Science will help learners develop a range of skills such as thinking creatively, analytically, logically and critically.

They will also be able to appreciate the ethical issues that arise with current and emerging computing technologies. From the 2015 examination series, this syllabus will replace Cambridge International AS and A Level Computing (syllabus code 9691).

Computer Science – 9608 – AS and A level- Syllabus & Specimen Papers

Computer Science – 9608 – AS and A level – 2015

Computer Science – 9608 – AS and A level – 2016

Computer Science – 9608 – AS and A level – 2017

Computer Science – 9608 – AS and A level – 2018

Computer Science – 9608 – AS and A level – 2019

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As and a level computer science - h046, h446.

Full assessment teaching materials, including secure assessment materials, are now only available on Teach Cambridge. Examples are shown below.

Question papers, mark schemes and reports

2022 - june series.

• Question paper - Computer systems H446/01 - PDF 943KB
• Mark scheme - Computer systems H446/01 - PDF 449KB
• Examiners' report - Computer systems H446/01 - PDF 4MB
• Question paper - Algorithms and programming H446/02 - PDF 962KB
• Mark scheme - Algorithms and programming H446/02 - PDF 385KB
• Examiners' report - Algorithms and programming H446/02 - PDF 1MB
• Moderators report H446/03/04 - PDF 396KB
• Modified papers H446/01-H446/02 - ZIP 3MB

2021 - November series

• Question paper - Computer systems H446/01 - PDF 1MB
• Mark scheme - Computer systems H446/01 - PDF 456KB
• Examiners' report H446/01 - PDF 442KB
• Question paper - Algorithms and programming H446/02 - PDF 3MB
• Mark scheme - Algorithms and programming H446/02 - PDF 553KB
• Examiners' report H446/02 - PDF 378KB
• Modified papers H446/01/02 - ZIP 3MB

2020 - November series

• Mark scheme - Computer systems H446/01 - PDF 402KB
• Examiners' report H446/01 - PDF 324KB
• Question paper - Algorithms and programming H446/02 - PDF 965KB
• Mark scheme - Algorithms and programming H446/02 - PDF 421KB
• Examiners' report H446/02 - PDF 320KB
• Modified papers H446/01/02 - ZIP 1MB

2019 - June series

• Question paper - Computer systems H446/01 - PDF 633KB
• Mark scheme - Computer systems H446/01 - PDF 657KB
• Examiners' report - Computer systems H446/01 - PDF 1MB
• Question paper - Algorithms and programming H446/02 - PDF 791KB
• Mark scheme - Algorithms and programming H446/02 - PDF 880KB
• Moderators' report - Programming project H446/03/04 - interchange login required
• Moderators report H446/03/04 - PDF 430KB
• Modified papers H446/01-H446/02 - ZIP 14MB

Sample assessment materials

Marking instructions are included at the beginning of specimen assessment material mark schemes and were accurate at the time of publication. Marking instructions may be revised in live papers as appropriate during the lifetime of the qualification.

We're currently revising our SAMs to update third-party copyright agreements. For question examples see our question papers, marks schemes and reports.

• Computer systems H446/01 - Sample question paper and mark scheme. PDF 1MB
• Algorithms and programming H446/02 - Sample question paper and mark scheme. PDF 1MB
• Programming project H446/03 - Sample question paper and mark scheme. PDF 157KB
• Question paper - Computer principles H046/01 - PDF 978KB
• Mark scheme - Computing principles H046/01 - PDF 471KB
• Examiners' report - Computing principles H046/01 - PDF 2MB
• Question paper - Algorithms and problem solving H046/02 - PDF 2MB
• Mark scheme - Algorithms and problem solving H046/02 - PDF 358KB
• Examiners' report - Algorithms and problem solving H046/02 - PDF 3MB
• Modified papers H046 - ZIP 3MB
• Question paper - Computer principles H046/01 - PDF 979KB
• Mark scheme - Computer principles H046/01 - PDF 399KB
• Mark scheme - Algorithms and problem solving H046/02 - PDF 322KB
• Modified papers H046/01-H046/02 - ZIP 2MB
• Question paper - Computer principles H046/01 - PDF 2MB
• Mark scheme - Computing principles H046/01 - PDF 646KB
• Examiners' report - Computing principles H046/01 - PDF 772KB
• Mark scheme - Algorithms and problem solving H046/02 - PDF 489KB
• Examiners' report - Algorithms and problem solving H046/02 - PDF 611KB
• Modified papers H046 - ZIP 13MB
• Computing principles H046/1 - Sample question paper and mark scheme. PDF 1MB
• Algorithms and problem solving H046/2 - Sample question paper and mark scheme. PDF 1MB

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Past Papers | A Level | Computer Science (for first examination in 2021) (9618)

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📌 Update(s): 11 Jan 2024 NEW! May / June 2023 and Oct / Nov 2023 past papers are updated. 24/03/2023 AS/A Level 2022 Oct/Nov papers added! 13/12/2022 Most of the missing May/June 2022 papers have been added!

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AS & A-Level Computer Science Past Papers

Exam boards.

Select your exam board to view our collection of AS & A-Level Computer Science past papers. All past papers on Revisely were produced by the exam boards and were written under the current specifications. Revisely is not affiliated with AQA, Edexcel or OCR.

Programmes & Qualifications

Cambridge international as & a level computer science (9618).

• Syllabus overview

Cambridge International AS & A Level Computer Science encourages learners to meet the needs of higher education courses in computer science as well as twenty-first century digital employers. It encourages leaders to think creatively, through applying practical programming solutions, demonstrating that they are effective uses of technology.

Learners develop computational thinking & programming skills to solve computer science problems. Cambridge International AS and A Level Computer Science will help learners develop a range of skills such as thinking creatively, analytically, logically and critically. They will also be able to appreciate the ethical issues that arise with current and emerging computing technologies.

The syllabus year refers to the year in which the examination will be taken.

• -->2021 - 2023 Syllabus update (PDF, 166KB)
• -->2021 Syllabus Legacy Notice (PDF, 103KB)
• -->2024 - 2025 Syllabus update (PDF, 144KB)
• -->2026 Syllabus Legacy Notice (PDF, 726KB)

Syllabus support

• -->2023 - 2025 Grade Description A Level (PDF, 187KB)
• -->2023 - 2025 Grade Description AS Level (PDF, 169KB)
• -->Support for Computer Science (PDF, 1MB)

Syllabus updates

We revise qualifications regularly to make sure that they continue to meet the needs of learners, schools and higher education institutions around the world. The 2021-2023 syllabus reflects current thinking in industry and higher education, including the introduction of Robotics and Artificial intelligence (A.I).

How has the syllabus changed?

• The 2021-2023 syllabus provides opportunities for students to demonstrate practical programming skills.
• We have introduced a third Assessement Objective where students will be asked to design, program and evaluate computer systems that solve problems, and make reasoned judgements about them.
• Computational thinking
• Programming paradigms
• Communication
• Computer architecture and hardware
• Data representation and structures
• We have added a list of command words and their meanings to help learners know what’s expected of them in the exam.

How has the assessment changed?

• For the AS Level qualification, each component is 50% of the total marks.
• For the A Level qualification, each component is 25% of the total marks.
• To allow for practical application time, we have increased the duration of Paper 4.
• We have introduced changes to programming languages, adding Visual Basic (console mode), Python and Java.
• We have removed Pascal/Delphi (console mode).

When do these changes take place?

The updated syllabus is for examination in June and November 2021, 2022 and 2023. Please see the 2021-2023 syllabus above for full details.

Coming soon

We are developing a wide range of support to help you plan and teach the 2021-2023 syllabus.

Look out for resources including a Scheme of work, Example candidate responses, Teacher and Learner guides, all of which will be available from April 2019 onwards through School Support Hub .

Endorsed resources

Develop computational thinking and ensure full coverage of the revised Cambridge International AS & A Level Computer Science syllabus with this comprehensive Student’s Book written by experienced authors and examiners.

Detailed descriptions of concepts, reinforced with examples that outline complex subject matter in a clear way. Alongside fundamental definitions, higher-level programming skills are developed through the explanation of processes and consolidated by practical exam-style questions.

Read more on the Cambridge University Press website

Important notices

For some subjects, we publish grade descriptions to help understand the level of performance candidates’ grades represent.

We paused the publication of grade descriptions in response to the Covid-19 pandemic and the temporary changes to the awarding standard in 2020, 2021 and 2022.

As the awarding standard has now returned to the pre-pandemic standard, we are working to produce up-to-date grade descriptions for most of our general qualifications. These will be based on the awarding standards in place from June 2023 onwards.

Check the Submit for Assessment page and the samples database for information and guidance on submitting moderated and examined work using Submit for Assessment.

School Support Hub

Teachers at registered Cambridge schools can unlock over 30 000 teaching and learning resources to help plan and deliver Cambridge programmes and qualifications, including Schemes of work, Example candidate responses, Past papers, Specimen paper answers, as well as digital and multimedia resources.

Schemes of work

Example responses, past papers, specimen paper answers.

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Harvard - bsc computer science.

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• 1.3.1. Compression, Encryption and Hashing
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A-Level Computer science

3.1 data representation, 3.1.1 user-defined data types, 3.1.2 file organisation and access, 3.1.3 real numbers and norma […], 3.2 communication and internet technologies, 3.2.1 protocols, 3.2.2 circuit switching, packet […], 3.2.3 local area networks (lan), 3.3 hardware, 3.3.2 boolean algebra, 3.3.3 karnaugh maps, 3.3.4 flip-flops, 3.3.5 risc processors, 3.3.6 parallel processing, 3.4 system software, 3.4.1 purposes of an operating system (os), 3.4.2 virtual machine, 3.4.3 translation software, 3.5 security, 3.5.1 asymmetric keys and encryption methods, 3.5.2 digital signatures and digital certificates, 3.5.3 encryption protocols, 3.5.4 malware, 3.6 monitoring and control systems, 3.6.1 overview of monitoring and control systems, 3.6.2 bit manipulation to monitor and control devices, 4.1 computational thinking and problem-solving, 4.1.1 abstraction, 4.1.2 algorithms, 4.1.3 abstract data types (adt), 4.1.4 recursion, 4.2 algorithm design methods, 4.2.1 decision tables, 4.2.2 jackson structured […], 4.2.3 state-transition diagrams, 4.3 further programming, 4.3.1 programming paradigms low-level programming imperative programming object-oriented programming declarative programming, 4.3.2 file processing, 4.3.3 exception handling, 4.4 software development, 4.4.2 testing, 4.4.3 project management, privacy overview.

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Computer Science - 9618 / 23 Paper 2 - Fundamental Problem-solving and Programming Skills Insert Paper - October / November 2023 AS and A Level - Cambridge International Examination

May 2023 Papers for CAIE Qualifications Available Now! Read More.

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📌 Update(s): 13/08/2023 NEW! AS/A Level latest papers added!

If any paper is still missing, please report using the Contact Us! tab.

• 9608_s20_ms_11.pdf
• 9608_s20_ms_12.pdf
• 9608_s20_ms_13.pdf
• 9608_s20_ms_21.pdf
• 9608_s20_ms_22.pdf
• 9608_s20_ms_23.pdf
• 9608_s20_ms_31.pdf
• 9608_s20_ms_33.pdf
• 9608_s20_ms_41.pdf
• 9608_s20_ms_42.pdf
• 9608_s20_ms_43.pdf
• 9608_s20_pm_21.zip
• 9608_s20_pm_22.zip
• 9608_s20_pm_23.zip
• 9608_s20_pm_41.zip
• 9608_s20_pm_42.zip
• 9608_s20_pm_43.zip
• 9608_s20_qp_11.pdf
• 9608_s20_qp_12.pdf
• 9608_s20_qp_13.pdf
• 9608_s20_qp_21.pdf
• 9608_s20_qp_22.pdf
• 9608_s20_qp_23.pdf
• 9608_s20_qp_31.pdf
• 9608_s20_qp_33.pdf
• 9608_s20_qp_41.pdf
• 9608_s20_qp_42.pdf
• 9608_s20_qp_43.pdf
• 9608_w20_er.pdf
• 9608_w20_gt.pdf
• 9608_w20_ms_11.pdf
• 9608_w20_ms_12.pdf
• 9608_w20_ms_13.pdf
• 9608_w20_ms_21.pdf
• 9608_w20_ms_22.pdf
• 9608_w20_ms_23.pdf
• 9608_w20_ms_31.pdf
• 9608_w20_ms_32.pdf
• 9608_w20_ms_33.pdf
• 9608_w20_ms_41.pdf
• 9608_w20_ms_42.pdf
• 9608_w20_ms_43.pdf
• 9608_w20_pm_21.pdf
• 9608_w20_pm_21.zip
• 9608_w20_pm_22.pdf
• 9608_w20_pm_22.zip
• 9608_w20_pm_23.pdf
• 9608_w20_pm_23.zip
• 9608_w20_pm_41.pdf
• 9608_w20_pm_41.zip
• 9608_w20_pm_42.pdf
• 9608_w20_pm_42.zip
• 9608_w20_pm_43.pdf
• 9608_w20_pm_43.zip
• 9608_w20_qp_11.pdf
• 9608_w20_qp_12.pdf
• 9608_w20_qp_13.pdf
• 9608_w20_qp_21.pdf
• 9608_w20_qp_22.pdf
• 9608_w20_qp_23.pdf
• 9608_w20_qp_31.pdf
• 9608_w20_qp_32.pdf
• 9608_w20_qp_33.pdf
• 9608_w20_qp_41.pdf
• 9608_w20_qp_42.pdf
• 9608_w20_qp_43.pdf

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