Cambridge A Level · 9618 · Paper 1 · Theory fundamentals

Computer Science 9618/12 May/June 2026 past paper

Cambridge A Level Computer Science (9618) Paper 1 (Theory fundamentals), variant 2, May/June 2026: 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_s26_qp_12 · 9618_s26_ms_12

Topics in this paper

Which syllabus chapters 9618/12 May/June 2026 tested, by marks. Each chapter links to every past-paper question on it.

Chapter	Questions	Marks
Information representation	3	19
Databases	1	16
Hardware	2	14
Security, privacy and data integrity	1	13
System Software	1	13

Questions in 9618/12 May/June 2026

Question 1Information representation · 8 marks
(a) Tick (3) one box to identify the correct definition of a pixel in a bitmap image. a colour in an image a row of consecutive identical colours in an image the binary code for one colour in an image …
Question 2Security, privacy and data integrity · 13 marks
Personal data is entered into a computer using a keyboard. The data is validated and verified during data entry. (a) Describe two methods of data verification that can be used during data entry. …
Question 3Databases · 16 marks
A computer game developer stores data about a computer game in a database. The database has three entities: • the users, who are called players • the characters that users can create • the groups that users can create and …
Question 4Information representation · 4 marks
A sound file has a sampling rate of 44.1 kHz. (a) Describe what is meant by a sampling rate of 44.1 kHz. (b) A student creates a recording of a sound with a sampling resolution of 2 bytes. The student …
Question 5Information representation · 7 marks
(a) Complete the table by calculating the missing values. denary unsigned binary hexadecimal Binary Coded Decimal (BCD) …
Question 6Hardware · 11 marks
A health monitor attaches to a person’s arm and measures key health information, for example heart rate. The monitor transmits data to the user’s smartphone. The results are analysed by the phone, which displays information to the user about their …
Question 7System Software · 13 marks
A student is writing a computer program for a school project. (a) The student uses a computer that comes with an Operating System (OS) and utility software. (i) Identify two tasks the OS performs as part of process management. 1 …
Question 8Hardware · 3 marks
(a) Complete the truth table for the given logic circuit. …

Other Computer Science papers from May/June 2026

Questions students ask

Where can I get the 9618/12 May/June 2026 mark scheme?

Open the mark scheme above - it is the official Cambridge scheme for this exact paper (9618_s26_ms_12), and on a wide screen it sits beside the question you are reading.

Which topics came up in 9618/12 May/June 2026?

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

Do I need an account to open 9618/12 May/June 2026?

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.