PrepWithTee owl logo PrepWithTee
2021

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

Computer Science 0478/22 May/June 2021 past paper

Cambridge IGCSE Computer Science (0478) Paper 2 (Algorithms, programming & logic), variant 2, 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
26
Open the question paperMark scheme

File names: 0478_s21_qp_22 · 0478_s21_ms_22

Grade thresholds for 0478/22 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
262015121074

Topics in this paper

Which syllabus chapters 0478/22 May/June 2021 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Scenario Question120
Databases316
Algorithm Design and Problem-Solving214

Questions in 0478/22 May/June 2021

  1. Question 1Scenario Question · 20 marks

    All variables, constants and other identifiers must have meaningful names. (a) Identify and give the data type and use of one array that you could have used for Task 1. Array Data type Use (b) Describe two validation checks that …

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

    (a) Write an algorithm in pseudocode to input 500 positive whole numbers. Each number input must be less than 1000. Find and output the largest number input, the smallest number input and the range (difference between the largest number and …

  3. Question 3Algorithm Design and Problem-Solving · 6 marks

    (a) Draw the most appropriate flowchart symbol for each pseudocode statement. Pseudocode statement Flowchart symbol IF Number = 20 PRINT Number Number ← Number …

  4. Question 4Databases · 7 marks

    This algorithm checks passwords. • Each password must be 8 or more characters in length; the predefined function Length returns the number of characters. • Each password is entered twice, and the two entries must match. • Either Accept or …

  5. Question 5Databases · 4 marks

    A one-dimensional array dataArray[1:20] needs each element set to zero. (a) Write a pseudocode routine that sets each element to zero. Use the most suitable loop structure. (b) Explain why you chose this loop structure.

  6. Question 6Databases · 5 marks

    A database table, PLANT, is used to keep a record of plants sold by a nursery. The table has these fields: • NAME – name of plant • FLOWER – whether the plant flowers (True) or not (False) • POSITION …

Other Computer Science papers from May/June 2021

Questions students ask

Where can I get the 0478/22 May/June 2021 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0478_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 0478/22 May/June 2021?
26 marks out of 50, a C needed 15.
Which topics came up in 0478/22 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 0478/22 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.