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2018

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

Computer Science 0478/21 Oct/Nov 2018 past paper

Cambridge IGCSE Computer Science (0478) Paper 2 (Algorithms, programming & logic), variant 1, Oct/Nov 2018: 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
34
Open the question paperMark scheme

File names: 0478_w18_qp_21 · 0478_w18_ms_21

Grade thresholds for 0478/21 Oct/Nov 2018

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
342619151173

Topics in this paper

Which syllabus chapters 0478/21 Oct/Nov 2018 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Programming226
Algorithm Design and Problem-Solving318
Databases16

Questions in 0478/21 Oct/Nov 2018

  1. Question 1Programming · 20 marks

    (a) All arrays, variables, constants and other identifiers should have meaningful names. (i) State the name, data type and use of two arrays you created for Task 1. Array 1 name Data type Use Array 2 name Data type Use …

  2. Question 2Algorithm Design and Problem-Solving · 5 marks

    Six terms associated with programming and six descriptions are listed. Draw a line to link each term with its most appropriate description. Term Description Top-down design Pre-written code to include in your own program to carry out a common task. …

  3. Question 3Programming · 6 marks

    Describe, giving a different example for each, the purpose of these validation checks used in programming. Range check Example Length check Example Type check Example

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

    An algorithm is written in pseudocode: Total 0 FOR Count 1 TO 50 INPUT Num Total Total + Num NEXT Count OUTPUT Total (a) Describe the purpose of the algorithm. (b) Re-write the algorithm in pseudocode using a different type …

  5. Question 5Algorithm Design and Problem-Solving · 5 marks

    The flowchart performs a mathematical process on a number input called TestNum DIV is used to represent integer division e.g. 7 DIV …

  6. Question 6Databases · 6 marks

    The database table, PCSTOCK, is a part of the database in an electronics shop, showing some of the desktop (DT), tablet (TB) and laptop (LT) computers they have in stock. PCID ScreenSize RAM Type HDD(GB) Price DT303240 30 32 DT …

Other Computer Science papers from Oct/Nov 2018

Questions students ask

Where can I get the 0478/21 Oct/Nov 2018 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0478_w18_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 2018?
34 marks out of 50, a C needed 19.
Which topics came up in 0478/21 Oct/Nov 2018?
Mostly Programming, Algorithm Design and Problem-Solving, Databases. The full list is in the table above.
Do I need an account to open 0478/21 Oct/Nov 2018?
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.