Cambridge A Level · 9618 · Paper 1 · Theory fundamentals

Computer Science 9618/11 May/June 2025 past paper

Cambridge A Level Computer Science (9618) Paper 1 (Theory fundamentals), variant 1, May/June 2025: the question paper and its official mark scheme, 8 questions worth 75 marks. Free to open, no account needed.

Questions: 8
Marks: 75

Open the question paper Mark scheme

File names: 9618_s25_qp_11 · 9618_s25_ms_11

Topics in this paper

Which syllabus chapters 9618/11 May/June 2025 tested, by marks. Each chapter links to every past-paper question on it.

Chapter	Questions	Marks
Hardware	3	24
Information representation	2	20
Databases	1	13
Communication	1	11
Processor Fundamentals	1	7

Questions in 9618/11 May/June 2025

Question 1Hardware · 4 marks
(a) Write the logic expressions for the following logic circuit. …
Question 2Information representation · 13 marks
Programmers in a software development company take part in live video conferences to discuss their work. The live video conferences take place using real‑time bit streaming. The video is compressed before it is transmitted. (a) Explain how data is transferred …
Question 3Information representation · 7 marks
A computer stores images and text files. (a) One of the images is a bitmapped image. Complete the table by writing the answer for each statement. Statement Answer the term for the smallest element that makes up an image the …
Question 4Hardware · 6 marks
A shop installs a new system that allows users to purchase items without going through a manual checkout. The new system: • identifies customers when they enter the shop and matches them to their account • prevents a customer from …
Question 5Databases · 13 marks
A company builds and sells furniture to customers. The company stores data about customers, their payment cards and their furniture orders in a database. The database, FURNITURE, has the following tables: CUSTOMER(CustomerID, Name, Phone) CUSTOMER_CARD_DATA(CardID, CustomerID, CardType, CardNumber, EndDate) ORDER(OrderID, …
Question 6Hardware · 14 marks
A programmer is buying a new computer. (a) The programmer is considering the following two computers: Computer 1 Quad‑core 2.2 GHz processor 16‑bit architecture 1 GB Random Access Memory (RAM) 500 GB magnetic hard disk Computer 2 Dual‑core 3.8 GHz …
Question 7Communication · 11 marks
A banker stores personal data on their work computer. (a) The banker needs to transfer confidential data across the internet. Identify and describe one method of restricting the risks posed by an unauthorised person intercepting the data whilst it is …
Question 8Processor Fundamentals · 7 marks
(a) The following table shows part of the instruction set for a processor. The processor has two registers: the Accumulator (ACC) and an Index Register (IX). Instruction Explanation Opcode Operand LDM #n Immediate addressing. Load the number n to ACC …

Other Computer Science papers from May/June 2025

Questions students ask

Where can I get the 9618/11 May/June 2025 mark scheme?

Open the mark scheme above - it is the official Cambridge scheme for this exact paper (9618_s25_ms_11), and on a wide screen it sits beside the question you are reading.

Which topics came up in 9618/11 May/June 2025?

Mostly Hardware, Information representation, Databases. The full list is in the table above.

Do I need an account to open 9618/11 May/June 2025?

No. Every paper opens for free without signing in. A free account also saves your pen marks and records your score against the grade thresholds.