Which of the following best describes a one-dimensional (1D) array?
A variable that can store multiple values of different data types under one identifier
A data structure that stores a collection of elements of the same data type under a single identifier
A set of hardware devices used to store permanent files and system software
A relational database table containing multiple records linked by primary keys
36 exam-style questions on AQA GCSE Computer Science Data structures. Each one has a worked solution and a mark scheme showing where the marks go.