Multi-dimensional array

Term

Jump to a topic

See every item in the sequence

Definition

An array of arrays, used for grids or tables and accessed by row and column index, such as grid[row][col].

Example: 'grid[2][3]' is row 2, column 3.

Found in: syllabus.

Where you'll use it in the test

Syllabus area: Y11 Programming Fundamentals.

Question types it can appear in

Python: 2D list
Code reading: Code or algorithm reading: interpret a fragment and state its output or purpose.
Multiple choice: Pick the option that matches the definition or example.

Where it has appeared in the paper

The Software Engineering Project (Part A, B). Part letters follow each paper’s own layout.

How to use it

A model sentence

General advice, built from the definition and example above

“An array of arrays, used for grids or tables and accessed by row and column index, such as grid[row][col].” Then apply it: 'grid[2][3]' is row 2, column 3.

In a short answer, give the definition in your own words first, then tie it to the situation in the question. Do not copy the example above unless it fits the scenario.

Command words used with it

From the linked past questions

Identify: Recognise and name. (Sample exam Q21a (1 mark): 2D arrays (Python))

Official worked answer

Sample exam Q21a (1 mark): 2D arrays (Python) (1 mark): official criteria and sample answer

Criteria

1: Identifies the correct answer.

Sample answer

Timetable[0][2] (day index 0 = Monday, period index 2 = Period 3).

Open the question page

Go deeper

Flashcard: Multi-dimensional array in Programming Fundamentals (Year 11) · study that set
Memorise: Data structures
Full term page: every question, note and marking comment for Multi-dimensional array

Check yourself

Explain “Multi-dimensional array” in one sentence, give an example, and name a question type that could test it.

Reveal the answer