3.1 Fundamentals of AlgorithmsStudy Notes

Memory Trick

Part of Binary Search · GCSE GCSE Computer Science revision

This study notes covers Memory Trick within Binary Search for GCSE Computer Science. Revise Binary Search in 3.1 Fundamentals of Algorithms for GCSE Computer Science with 15 exam-style questions and 10 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 7 of 9 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 7 of 9

Practice

15 questions

Recall

10 flashcards

Memory Trick

Bubble = Big values bubble to the top (end)
Insertion = Insert cards into your hand one by one
Merge = Split apart then Merge back together

Keep building this topic

Read this section alongside the surrounding pages in Binary Search. That gives you the full topic sequence instead of a single isolated revision point.

Deep Dive: Merge Sort Exam Tips Video Lesson Putting Things in Order

Practice Questions for Binary Search

Which of the following is a requirement before binary search can be used?

A. The list must contain an even number of items
B. The list must be sorted in order
C. The list must be stored in a 2D array
D. The target value must be in the first half of the list

1 markfoundation

Describe how a binary search algorithm finds a target value in a sorted list.

3 marksstandard

Quick Recall Flashcards

What technique does binary search use?

Divide and conquer - repeatedly halves the search space

What is the time complexity of binary search?

O(log n) - logarithmic time

15 questions on Binary Search — practise free

Instant marking, adaptive difficulty, and 10 spaced repetition flashcards. Free until your GCSEs.

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Deep Dive: Merge Sort

Exam Tips