2019

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

Computer Science 0478/22 Oct/Nov 2019 past paper

Cambridge IGCSE Computer Science (0478) Paper 2 (Algorithms, programming & logic), variant 2, Oct/Nov 2019: the question paper and its official mark scheme, 7 questions worth 50 marks, with the grade thresholds. Free to open, no account needed.

Questions
7
Marks
50
Grade A from
35

File names: 0478_w19_qp_22 ยท 0478_w19_ms_22

Grade thresholds for 0478/22 Oct/Nov 2019

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
352720161284

Topics in this paper

Which syllabus chapters 0478/22 Oct/Nov 2019 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Programming541
Databases16
Algorithm Design and Problem-Solving13

Questions in 0478/22 Oct/Nov 2019

  1. Question 1Programming ยท 20 marks

    (a) All variables, constants and other identifiers must have meaningful names. (i) Describe the data structures that you have used to store the data for the concrete slabs in Task 1, include the name, data type and use for each โ€ฆ

  2. Question 2Programming ยท 4 marks

    An algorithm has been written in pseudocode to select a random number using the function RandInt(n), which returns a whole number between 1 and the argument n. The algorithm then allows the user to guess the number. Number RandInt(100) TotalTry โ€ฆ

  3. Question 3Programming ยท 7 marks

    (a) The flowchart checks the lengths of a batch of 10 ropes. For the batch to be accepted 90% of the lengths need to be between 24.9 and 25.1 metres. START END Is Count โ€ฆ

  4. Question 4Algorithm Design and Problem-Solving ยท 3 marks

    Four validation checks and four descriptions are shown. Draw a line to connect each validation check to the correct description. Validation Check Description Range check Checks that some data is entered. Presence check Checks for a maximum number of characters โ€ฆ

  5. Question 5Programming ยท 4 marks

    A programmer writes a program to weigh baskets of fruit in grams, keeping a total of the weight and counting the number of baskets. The total weight is stored in a variable Total and the number of baskets is stored โ€ฆ

  6. Question 6Programming ยท 6 marks

    Explain why constants, variables and arrays are used in programming. Constants Variables Arrays

  7. Question 7Databases ยท 6 marks

    A database table, SALES, is used to keep a record of items made and sold by a furniture maker. Item number Order number Notes Amount Status CH001 1921 Smith โ€“ six dining chairs 6 Delivered TB003 1921 Smith โ€“ large โ€ฆ

Other Computer Science papers from Oct/Nov 2019

Questions students ask

Where can I get the 0478/22 Oct/Nov 2019 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0478_w19_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 Oct/Nov 2019?
35 marks out of 50, a C needed 20.
Which topics came up in 0478/22 Oct/Nov 2019?
Mostly Programming, Databases, Algorithm Design and Problem-Solving. The full list is in the table above.
Do I need an account to open 0478/22 Oct/Nov 2019?
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.