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2021

Cambridge IGCSE · 0478 · Paper 2 · Algorithms, programming & logic

Computer Science 0478/21 Oct/Nov 2021 past paper

Cambridge IGCSE Computer Science (0478) Paper 2 (Algorithms, programming & logic), variant 1, Oct/Nov 2021: the question paper and its official mark scheme, 5 questions worth 50 marks, with the grade thresholds. Free to open, no account needed.

Questions
5
Marks
50
Grade A from
31
Open the question paperMark scheme

File names: 0478_w21_qp_21 · 0478_w21_ms_21

Grade thresholds for 0478/21 Oct/Nov 2021

The minimum raw marks Cambridge set for each grade on this component (out of 50). Thresholds change every session and variant, so always compare your score with the paper you actually sat.

ABCDEFG
312315121086

Topics in this paper

Which syllabus chapters 0478/21 Oct/Nov 2021 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Scenario Question120
Databases212
Boolean Logic110
Algorithm Design and Problem-Solving18

Questions in 0478/21 Oct/Nov 2021

  1. Question 1Scenario Question · 20 marks

    All variables, constants and other identifiers must have meaningful names. (a) Identify one constant that you could have used for Task 1. Give the value that would be assigned to this constant. State the use of this constant. Constant Value …

  2. Question 2Algorithm Design and Problem-Solving · 8 marks

    An algorithm has been written in pseudocode to generate 50 positive random integers with values less than or equal to 100. These random integers are stored in the array RandNum[ ] The function Rand(X, Y) generates a random integer greater …

  3. Question 3Boolean Logic · 10 marks

    A program has been written to check the value of a measurement. The measurement must be a positive number and given to three decimal places, for example, …

  4. Question 4Databases · 5 marks

    The algorithm shown by this flowchart allows the input of examination marks for a class of students. A mark of –1 ends the process. If a mark is 80 or over then a distinction grade is awarded. The number of …

  5. Question 5Databases · 7 marks

    A database table, APPLIANCE, is used to keep a record of kitchen appliances available for sale. The following data is stored for each appliance: • CATEGORY – washer, dishwasher, fridge or freezer • ECONOMYRATING …

Other Computer Science papers from Oct/Nov 2021

Questions students ask

Where can I get the 0478/21 Oct/Nov 2021 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0478_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 0478/21 Oct/Nov 2021?
31 marks out of 50, a C needed 15.
Which topics came up in 0478/21 Oct/Nov 2021?
Mostly Scenario Question, Databases, Boolean Logic. The full list is in the table above.
Do I need an account to open 0478/21 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.