OCR A LEVEL COMPUTER SCIENCE
H446/02 ALGORITHMS FINAL PAPER
EXAM 2026 PRACTICE SOLUTION TESTED
QUESTIONS AND ANSWERS GRADED A+
●● Algorithm. Answer: A Set of instructions for solving a problem or
completing a task
●● Abstraction. Answer: Removing unnecessary detail from a problem
to focus on the essentials
●● Decomposition. Answer: Breaking down a large problem into
smaller sub-problems and then breaking these down further into small,
manageable tasks
●● Binary Search. Answer: Search a sorted array by repeatedly dividing
the search interval in half.
●● Linear Search. Answer: Items are examined in sequence
●● Bubble Sort. Answer: Each item in a list is compared to the one next
to it, and if it is greater, they swap places
H446/02 ALGORITHMS FINAL PAPER
EXAM 2026 PRACTICE SOLUTION TESTED
QUESTIONS AND ANSWERS GRADED A+
●● Algorithm. Answer: A Set of instructions for solving a problem or
completing a task
●● Abstraction. Answer: Removing unnecessary detail from a problem
to focus on the essentials
●● Decomposition. Answer: Breaking down a large problem into
smaller sub-problems and then breaking these down further into small,
manageable tasks
●● Binary Search. Answer: Search a sorted array by repeatedly dividing
the search interval in half.
●● Linear Search. Answer: Items are examined in sequence
●● Bubble Sort. Answer: Each item in a list is compared to the one next
to it, and if it is greater, they swap places