Decomposition and abstraction (Edexcel GCSE Computer Science): Flashcards
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Decomposition (definition)
Decomposition (definition)
Breaking complex problems into smaller, manageable parts
Abstraction (definition)
Abstraction (definition)
Removing unnecessary details to focus on important points
Type of skills: decomposition & abstraction
Type of skills: decomposition & abstraction
Computational thinking skills
Main advantage of decomposition
Main advantage of decomposition
Transforms one overwhelming problem into several manageable tasks
Decomposition in programming appears as
Decomposition in programming appears as
Subprograms or groupings of code lines
What abstraction helps distinguish
What abstraction helps distinguish
Essential features from irrelevant/decorative ones
Abstraction in code appears in
Abstraction in code appears in
Names of variables, data structures, or subprograms
Algorithm (definition)
Algorithm (definition)
Precise instructions needed to solve a problem
Key benefit of algorithms
Key benefit of algorithms
Reusability - can be used again with slight modifications
Relationship: computer programs & algorithms
Relationship: computer programs & algorithms
Every computer program is essentially an algorithm
Algorithms are the outcome of applying
Algorithms are the outcome of applying
Decomposition and abstraction
Name one decomposition task from snakes & ladders example
Name one decomposition task from snakes & ladders example
Rolling dice (or displaying board, moving player, taking ladder, etc.)
Essential features in seating simulation abstraction
Essential features in seating simulation abstraction
Color, number of legs, inside/outside use, or capacity