Cambridge A Level · 9618 · Paper 2 · Problem-solving & programming

Computer Science 9618/22 May/June 2021 past paper

Cambridge A Level Computer Science (9618) Paper 2 (Problem-solving & programming), variant 2, May/June 2021: the question paper and its official mark scheme, 8 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.

Questions: 8
Marks: 75
Grade A from: 45

Open the question paper Mark scheme

File names: 9618_s21_qp_22 · 9618_s21_ms_22

Grade thresholds for 9618/22 May/June 2021

The minimum raw marks Cambridge set for each grade on this component (out of 75). Thresholds change every session and variant, so always compare your score with the paper you actually sat.

A	B	C	D	E
45	38	32	26	20

Topics in this paper

Which syllabus chapters 9618/22 May/June 2021 tested, by marks. Each chapter links to every past-paper question on it.

Chapter	Questions	Marks
Programming	3	29
Data Types and Structures	3	29
Algorithm Design and Problem-solving	2	17

Questions in 9618/22 May/June 2021

Question 1Programming · 11 marks
(a) (i) Complete the following table by giving the appropriate data type in each case. Variable Example data value Data type Name "Catherine" Index 100 Modified FALSE Holiday 25/12/2020 (ii) Evaluate each expression in the following table by using the …
Question 2Algorithm Design and Problem-solving · 11 marks
(a) Examine the following state-transition diagram. S1 Low level detected | Activate pump Normal level detected | Deactivate pump Normal level detected X Low level detected …
Question 3Data Types and Structures · 6 marks
The following diagram represents an Abstract Data Type (ADT). Dolphin A Cat Fish Elk B (a) Identify this type of ADT. (b) Give the technical term for the item labelled A in the diagram. (c) Give the technical term for …
Question 4Algorithm Design and Problem-solving · 6 marks
A teacher uses a paper-based system to store marks for a class test. The teacher requires a program to assign grades based on these results. The program will output the grades together with the average mark. Write a detailed description …
Question 5Data Types and Structures · 15 marks
(a) A student is learning about arrays. She wants to write a program to: • declare a 1D array RNum of 100 elements of type INTEGER • assign each element a random value in the range 1 to 200 inclusive …
Question 6Data Types and Structures · 8 marks
A procedure CountVowels() will: • be called with a string containing alphanumeric characters as its parameter • count and output the number of occurrences of each vowel …
Question 7Programming · 5 marks
A procedure, FormatName(): • is called with a string containing words and spaces as its parameter. In this context, a word is any sequence of characters that does not contain a space character. • creates a new formatted string from …
Question 8Programming · 13 marks
A program is needed to take a string containing a full name and to produce a new string of initials. Some words in the full name will be ignored. For example, “the”, “and”, “of”, “for” and “to” may all be …

Other Computer Science papers from May/June 2021

Questions students ask

Where can I get the 9618/22 May/June 2021 mark scheme?

Open the mark scheme above - it is the official Cambridge scheme for this exact paper (9618_s21_ms_22), and on a wide screen it sits beside the question you are reading.

What was the grade threshold for an A in 9618/22 May/June 2021?

45 marks out of 75, a C needed 32.

Which topics came up in 9618/22 May/June 2021?

Mostly Programming, Data Types and Structures, Algorithm Design and Problem-solving. The full list is in the table above.

Do I need an account to open 9618/22 May/June 2021?

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.