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2020

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

Computer Science 0478/22 Feb/March 2020 past paper

Cambridge IGCSE Computer Science (0478) Paper 2 (Algorithms, programming & logic), variant 2, Feb/March 2020: 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
33
Open the question paperMark scheme

File names: 0478_m20_qp_22 · 0478_m20_ms_22

Grade thresholds for 0478/22 Feb/March 2020

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
332619151296

Topics in this paper

Which syllabus chapters 0478/22 Feb/March 2020 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Scenario Question120
Databases218
Boolean Logic18
Algorithm Design and Problem-Solving14

Questions in 0478/22 Feb/March 2020

  1. Question 1Scenario Question · 20 marks

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

  2. Question 2Boolean Logic · 8 marks

    (a) An algorithm has been written in pseudocode to input 50 numbers. Positive numbers are stored in the array PosNum[ ]. Negative numbers are stored in the array NegNum[ ]. Zeros are not included in the positive and negative counts. …

  3. Question 3Databases · 8 marks

    This flowchart inputs student percentage marks for three examinations. If the average of these marks is 80% or over then a distinction grade is awarded. If the average of these marks is less than 40% then a fail grade is …

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

    Explain why validation and verification checks are needed when data is input. Include an example of each type of check in your answer. Question 5 starts on page 14.

  5. Question 5Databases · 10 marks

    A database table, BOX, is used to keep a record of boxes made and sold by a craftsman. Boxes are categorised by: • SIZE – small, medium or large • SHAPE – brief description for example ‘star shaped’ • WOOD …

Other Computer Science papers from Feb/March 2020

Questions students ask

Where can I get the 0478/22 Feb/March 2020 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0478_m20_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 Feb/March 2020?
33 marks out of 50, a C needed 19.
Which topics came up in 0478/22 Feb/March 2020?
Mostly Scenario Question, Databases, Boolean Logic. The full list is in the table above.
Do I need an account to open 0478/22 Feb/March 2020?
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.