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OCR A LEVEL COMPUTER SCIENCE H442

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OCR A LEVEL COMPUTER SCIENCE H442

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OCR A LEVEL COMPUTER SCIENCE
H446/02 ALGORITHMS COMPREHENSIVE
EXAMINATION TEST 2026 VERIFIED
QUESTIONS AND ANSWERS GRADED A+

●● Abstraction. Answer: Abstraction involves removing unnecessary
detail from a problem so that you can focus on the essentials


●● Decomposition. Answer: Breaking down a large problem into
smaller sub-problems that are easier to understand.


●● Algorithmic Thinking. Answer: Identifying the steps involved in
solving a problem.


●● Algorithm. Answer: A series of instructions that solve a problem.


●● Flowchart. Answer: A diagram that shows the inputs, outputs and
processes in an algorithm.


●● Pseudocode. Answer: Simplified programming code that is not
language specific, used to design algorithms.
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