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Planning & System installation IB Computer Science

HL Topics 1-7, d1-4 1: System design 2: Computer Organisation 3: Networks 4: Computational thinking 5: Abstract data structures 6: Resource management 7: Control D: OOP

HL only 5 Overview 1: System design 2: Computer Organisation Thinking recursively 5.1.1 Identify a situation that requires the use of recursive thinking 5.1.2 Identify recursive thinking in a specified problem solution 5.1.3 Trace a recursive algorithm to express a solution to a problem Abstract data structures 5.1.4 Describe the characteristics of a two-dimensional array 5.1.5 Construct algorithms using two-dimensional arrays 5.1.6 Describe the characteristics and applications of a stack 5.1.7 Construct algorithms using the access methods of a stack 5.1.8 Describe the characteristics and applications of a queue 5.1.9 Construct algorithms using the access methods of a queue 5.1.10 Explain the use of arrays as static stacks and queues Linked lists 5.1.11 Describe the features and characteristics of a dynamic data structure 5.1.12 Describe how linked lists operate logically 5.1.13 Sketch linked lists (single, double and circular) Trees 5.1.14 Describe how trees operate logically (both binary and non-binary) 5.1.15 Define the terms: parent, left-child, right-child, subtree, root and leaf 5.1.16 State the result of inorder, postorder and preorder tree traversal 5.1.17 Sketch binary trees Applications 5.1.18 Define the term dynamic data structure 5.1.19 Compare the use of static and dynamic data structures 5.1.20 Suggest a suitable structure for a given situation 3: Networks 4: Computational thinking 5: Abstract data structures 6: Resource management 7: Control D: OOP

Topic 5.1.18 Define the term: dynamic data structure

Abstract Data Structures (ADTs) 2D array Stack Queue Linked List (Binary) Tree Recursion

Dynamic data structures These data structures can change size during the execution of a program Dynamic data structures grow and shrink as required by the program The size of the structure is determined during run- time They are a very efficient use of memory space