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Abstraction is getting rid of information that is not needed or does not help us in solving a problem.
An algorithm is a step-by-step plan for solving problems.
Computational thinking is a problem-solving method using computer science techniques, where possible solutions are developed and presented in a way that can be understood by humans and computers.
Decomposition involves breaking down a complex problem or system into smaller parts that are more manageable and easier to understand.
Flowcharts are also known as a flow diagram. A diagram that shows the step-by-step flow of an algorithm.
Pseudocode is a method of writing up a set of instructions for a computer program using plain English. This is a good way of planning a program before coding.