Data Structures Flashcards

OCR GCSE J277 Computer Science specification

Data structure

A way of organising and storing data to enable efficient access and modification.

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Terms in this set (10)

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Data structure

A way of organising and storing data to enable efficient access and modification.

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Array

A fixed-length indexed list used to store multiple values of the same data type.

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1D array

A one-dimensional array that stores a list of values in a single row.

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2D array

A two-dimensional array that stores data in a table format with rows and columns.

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Record

A data structure that groups related fields together, each with its own data type.

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Field

An individual piece of data within a record, such as a name or age.

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Use of 2D arrays

Used to emulate tables of records and fields, such as a database table.

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Advantages of arrays

Efficient for storing and accessing multiple values of the same type using an index.

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Advantages of records

Allows grouping of related data with different data types, making it easier to manage complex data.

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Index in arrays

A numerical position used to access a specific element in an array.

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