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2021

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

Computer Science 0478/23 May/June 2021 past paper

Cambridge IGCSE Computer Science (0478) Paper 2 (Algorithms, programming & logic), variant 3, May/June 2021: the question paper and its official mark scheme, 6 questions worth 50 marks, with the grade thresholds. Free to open, no account needed.

Questions
6
Marks
50
Grade A from
29
Open the question paperMark scheme

File names: 0478_s21_qp_23 · 0478_s21_ms_23

Grade thresholds for 0478/23 May/June 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
292216131074

Topics in this paper

Which syllabus chapters 0478/23 May/June 2021 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Scenario Question120
Databases213
Algorithm Design and Problem-Solving18
Boolean Logic16
Programming13

Questions in 0478/23 May/June 2021

  1. Question 1Scenario Question · 20 marks

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

  2. Question 2Programming · 3 marks

    Draw a line to connect each Data Type to the most appropriate Description. Real Data Type Must be a whole number Description String Must be one of two values Integer May be any number Boolean May contain any combination of …

  3. Question 3Boolean Logic · 6 marks

    Identify a suitable validation check that could be used for each piece of normal test data and describe how it would be used. Each validation check must be different. Test data for entering an email address: id27@cambridgeuniversity.com Validation check name …

  4. Question 4Algorithm Design and Problem-Solving · 8 marks

    The pseudocode algorithm should allow a user to input the number of scores to be entered and then enter the scores. The scores are totalled, the total is output and the option to enter another set of scores is offered. …

  5. Question 5Databases · 7 marks

    The flowchart represents an algorithm. The algorithm will terminate if 0 is entered at the Op input. START INPUT Op END Yes Yes Yes Yes Yes No No No No No INPUT Value1 INPUT Value2 OUTPUT "Input Error" IS Op …

  6. Question 6Databases · 6 marks

    A car hire company uses a database table, TREAD, to store details of the cars. The table has fields to represent each car’s licence number, mileage, and the tread depth of each of its four tyres. (a) Suggest suitable names …

Other Computer Science papers from May/June 2021

Questions students ask

Where can I get the 0478/23 May/June 2021 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0478_s21_ms_23), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 0478/23 May/June 2021?
29 marks out of 50, a C needed 16.
Which topics came up in 0478/23 May/June 2021?
Mostly Scenario Question, Databases, Algorithm Design and Problem-Solving. The full list is in the table above.
Do I need an account to open 0478/23 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.