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Home › CIE IGCSE Computer Science › Algorithm design and problem-solving: searching algorithms (linear search, binary search)
CIE · IGCSE · Computer Science

Algorithm design and problem-solving: searching algorithms (linear search, binary search)
Practice Questions

40 CIE IGCSE Computer Science questions on Algorithm design and problem-solving: searching algorithms (linear search, binary search), each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Algorithm design and problem-solving: searching algorithms (linear search, binary search).

Try 2 sample questions on Algorithm design and problem-solving: searching algorithms (linear search, binary search)

Question 1 · 1 mark · Difficulty 1/3

How does a linear search operate?

  1. It examines each item in turn, starting at the beginning, until the target is found or the list ends
  2. It repeatedly halves the list until the target is found
  3. It sorts the list and then examines the middle item
  4. It examines only the items at each end of the list
Show answer & explanation
✓ Answer: A — It examines each item in turn, starting at the beginning, until the target is found or the list ends
Award 1 mark. Because it makes no assumption about order, it works on an unsorted list.
Question 2 · 1 mark · Difficulty 1/3

In the best case, how many comparisons does a linear search need?

  1. Half the number of items
  2. 1
  3. The same as the number of items
  4. 2
Show answer & explanation
✓ Answer: B — 1
Award 1 mark. This occurs when the target happens to be the item at the start of the list.
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20 questions · 25 min · free

CIE IGCSE Computer Science: Algorithm design and problem-solving: searching algorithms (linear search, binary search) FAQ

Is Kramizo free for CIE IGCSE students preparing for Computer Science?
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Are the Algorithm design and problem-solving: searching algorithms (linear search, binary search) questions aligned to the official CIE IGCSE Computer Science syllabus?
Every question is written against the published CIE IGCSE Computer Science specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CIE paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CIE.
How is Algorithm design and problem-solving: searching algorithms (linear search, binary search) typically tested on CIE IGCSE Computer Science papers?
Algorithm design and problem-solving: searching algorithms (linear search, binary search) appears across multiple question types on real CIE IGCSE Computer Science papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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