plumiProgram construction: Eduqas A‑Level Computer Science questions
Every Eduqas A-Level Computer Science exam question on 1.8 Program construction, 2016–2025, with its mark scheme and examiner’s report.
Paper
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Calculations
Q6(a)
The whole paper ↗
Q6(b)
The whole paper ↗Q9(a)
The whole paper ↗
Q9(b)
The whole paper ↗Q9(c)
The whole paper ↗Q9(a)
The whole paper ↗
Q9(b)
The whole paper ↗Q9(c)
The whole paper ↗Q9(d)
The whole paper ↗Q2(a)(i)
The whole paper ↗
Q2(a)(ii)
The whole paper ↗Q2(b)
The whole paper ↗Q13(a)
The whole paper ↗
Q13(b)
The whole paper ↗Q3(a)
The whole paper ↗
Q3(b)
The whole paper ↗
All 23 questions on Program construction, as a list
- June 2025, Component 1, Q12 (12 marks): Describe the principal stages involved in the compilation process. [12]
- June 2024, Component 1, Q6(a) (3 marks): Translation error [3]
- June 2024, Component 1, Q6(b) (3 marks): 6. Explain, giving a suitable example for each, the following: (b) Execution error [3]
- June 2024, Component 1, Q9(a) (2 marks): Lexical analysis [2]
- June 2024, Component 1, Q9(b) (2 marks): 9. Describe the following principal stages involved in the compilation process: (b) Syntax analysis [2]
- June 2024, Component 1, Q9(c) (2 marks): Semantic analysis [2]
- June 2023, Component 1, Q11 (6 marks): Describe the processes carried out during the lexical, syntax and semantic analysis stages of compilation. [6]
- Autumn 2021, Component 1, Q12 (12 marks): Explain the purpose, and give examples of, programming paradigms and describe the use of compilers and interpreters, distinguishing between them. You should dra
- June 2019, Component 1, Q11 (4 marks): Using examples describe the differences between translation and execution errors. [4]
- June 2019, AS Component 1, Q9(a) (1 mark): Line 10 is split into the following tokens and all whitespace is removed: Token a = a + number Name the compilation stage where this would occur. [1]
- June 2019, AS Component 1, Q9(b) (2 marks): Identify the error that exists in this program and state at which stage of the compilation process it would be detected. [2]
- June 2019, AS Component 1, Q9(c) (1 mark): Memory locations are allocated to the variables number, a and total. Name the compilation stage where this would occur. [1]
- June 2019, AS Component 1, Q9(d) (1 mark): Name the compilation stage at which the inefficient use of memory in Line 13 would be addressed. [1]
- June 2018, Component 1, Q2(a)(i) (2 marks): Describe what is meant by code optimisation. [2]
- June 2018, Component 1, Q2(a)(ii) (4 marks): Identify the main objectives of the optimisation process. [4]
- June 2018, Component 1, Q2(b) (2 marks): The following section of code has not been optimised. Repeat item = 10 value = value + item Until value > 100 Explain why this code is not optimised. [2]
- June 2018, Component 1, Q13(a) (4 marks): Construct a reserved word table used by a compiler and an identifier table that could be used by the compiler to translate the segment of code into a stream of
- June 2018, Component 1, Q13(b) (1 mark): Use the above tables to translate the following line of code. area = Pi * radius * radius [1]
- June 2017, Component 1, Q3(a) (3 marks): Compare the translation process carried out by a compiler with the translation process carried out by an interpreter. [3]
- June 2017, Component 1, Q3(b) (2 marks): Explain why a compiled program takes more time to debug than an interpreted one. [2]
- June 2017, Component 1, Q3(c) (4 marks): Describe, giving an example of each, two types of translation error. [4]
- June 2017, Component 1, Q3(d) (5 marks): Below is a segment of a source program that is to be compiled: input basicCost VAT = basicCost * vatRate totalCost = basicCost + VAT output totalCost Construct
- June 2016, AS Component 1, Q12 (3 marks): Describe syntax analysis in the compilation process. [3]
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