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2021

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

Computer Science 9618/21 Oct/Nov 2021 past paper

Cambridge A Level Computer Science (9618) Paper 2 (Problem-solving & programming), variant 1, Oct/Nov 2021: the question paper and its official mark scheme, 6 questions worth 75 marks, with the grade thresholds. Free to open, no account needed.

Questions
6
Marks
75
Grade A from
44
Open the question paperMark scheme

File names: 9618_w21_qp_21 · 9618_w21_ms_21

Grade thresholds for 9618/21 Oct/Nov 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.

ABCDE
4436292215

Topics in this paper

Which syllabus chapters 9618/21 Oct/Nov 2021 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Data Types and Structures456
Algorithm Design and Problem-solving112
Programming17

Questions in 9618/21 Oct/Nov 2021

  1. Question 1Data Types and Structures · 14 marks

    Sylvia is testing a program that has been written by her colleague. Her colleague tells her that the program does not contain any syntax errors. (a) (i) State what her colleague means by “does not contain any syntax errors”. (ii) …

  2. Question 2Algorithm Design and Problem-solving · 12 marks

    (a) An algorithm to sort a 1D array into ascending order is described as follows: • move the largest value to the end • keep repeating until the array is sorted. Apply the process of stepwise refinement to this algorithm …

  3. Question 3Data Types and Structures · 13 marks

    (a) The diagram below represents a queue Abstract Data Type (ADT) that can hold a maximum of eight items. The operation of this queue may be summarised as follows: • The front of queue pointer points to the next item …

  4. Question 4Programming · 7 marks

    A program controls the heating system in a sports hall. Part of the program involves reading a value from a sensor. The sensor produces a numeric value that represents the temperature. The value is an integer, which should be in …

  5. Question 5Data Types and Structures · 10 marks

    The following data items will be recorded each time a student successfully logs on to the school network: Data item Example data Student ID "CJL404" Host ID "Lib01" Time and date "08:30, June 01, 2021" The Student ID is six …

  6. Question 6Data Types and Structures · 19 marks

    A mobile phone has a touchscreen. The screen is represented by a grid, divided into 800 rows and 1280 columns. The grid is represented by a 2D array Screen of type INTEGER. An array element will be set to 0 …

Other Computer Science papers from Oct/Nov 2021

Questions students ask

Where can I get the 9618/21 Oct/Nov 2021 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (9618_w21_ms_21), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 9618/21 Oct/Nov 2021?
44 marks out of 75, a C needed 29.
Which topics came up in 9618/21 Oct/Nov 2021?
Mostly Data Types and Structures, Algorithm Design and Problem-solving, Programming. The full list is in the table above.
Do I need an account to open 9618/21 Oct/Nov 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.