Topic 6: Data structures

• A data structure is a set of related data items stored in a computers memory
• Data structures are split into two which are static and dynamic
• In a static data structure, The size of the data is set at the beginning of the program and cannot be changed
• A static data structure is easier to program as you know how much space they take up
• In Dynamic structure, there is no fixed data length or size, They tend to be harder to program
• An array is a collection of data elements of the same data type stored under a single identifier
• A record is a set of data items all related to a single entity