Cambridge A Level · 9618 · Paper 1 · Theory fundamentals
Computer Science 9618/13 May/June 2025 past paper
Cambridge A Level Computer Science (9618) Paper 1 (Theory fundamentals), variant 3, May/June 2025: the question paper and its official mark scheme, 7 questions worth 75 marks. Free to open, no account needed.
- Questions
- 7
- Marks
- 75
File names: 9618_s25_qp_13 · 9618_s25_ms_13
Topics in this paper
Which syllabus chapters 9618/13 May/June 2025 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Information representation | 2 | 19 |
| Databases | 1 | 18 |
| System Software | 1 | 15 |
| Hardware | 2 | 14 |
| Processor Fundamentals | 1 | 9 |
Questions in 9618/13 May/June 2025
- Question 1
(a) A student paints a picture in an art class. The student takes a photograph of the picture using a digital camera. The digital camera creates an image with a resolution of 2 million pixels and uses a bit depth …
- Question 2
A computer has a processor. (a) The processor has a Control Unit (CU) and system clock. (i) Explain how the CU and the system clock work together. (ii) The processor runs the Fetch-Execute (F-E) cycle. Write the stages of the …
- Question 3
A programmer is writing a program in a high-level language. (a) Complete the description of compilers and interpreters by writing the missing words. A compiler checks all the code before attempting to translate the program. If any errors are found, …
- Question 4
(a) Write the logic expressions for the following logic circuit. …
- Question 5
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 STO …
- Question 6
A shop sells pens to customers. Customers place an order with the shop and collect the items the next day. The shop uses a database to store the information about the orders. The database contains the following tables: CUSTOMER(CustomerID, CustomerName, …
- Question 7
(a) A computer can perform logical and arithmetic shifts. (i) Show the result of a logical left shift of 2 places on the two’s complement binary integer 11001010 (ii) Show the result of an arithmetic right shift of 3 places …
Other Computer Science papers from May/June 2025
- 9618/11 Theory fundamentals
- 9618/12 Theory fundamentals
- 9618/21 Problem-solving & programming
- 9618/22 Problem-solving & programming
- 9618/23 Problem-solving & programming
- 9618/31 Advanced theory
- 9618/32 Advanced theory
- 9618/33 Advanced theory
- 9618/41 Practical programming
- 9618/42 Practical programming
- 9618/43 Practical programming