Teacher Resources (new)
B 2.4.2 Linear and Binary Search
Dive into the world of search algorithms. This section explores linear and binary search, comparing their efficiency and guiding you in choosing the right one for your needs. Learn how to implement and...
Activities
B 2.4.2 Worksheet Linear Search in Python updated
Topic: Linear Search Algorithm Skill Level: Standard Level / Higher Level Language: Python Instructions: Complete the following exercises to demonstrate your understanding of the linear search algorithm...
Activities
B 3.2.3 Worksheet Python Answers
Answer: Abstraction is the process of hiding complex implementation details and showing only the essential features of the object. In Python, it allows us to focus on what an object does rather than how...
Activities
B 3.2.3 Worksheet Java Answers
Answer: Abstraction is the process of hiding the complex implementation details of a system and exposing only the essential features to the user. In Java, it allows us to focus on what an object does...
Blog
Teaching Databases for the First Time? Here is How to Check Your Students are With You Free
For many of us, this term marks a first: teaching Topic A3 (Databases) as a core unit of the new 2027 IB Computer Science guide. But databases are a "house of cards" topic; if a student misses Primary...
Review/revision
B2.2 Broken Code challenges - Java
...
Activities
B 2.5 Visualising File Operations - Worksheet - Python Free
Name: ___________________________________________________________________ Date: _____________________ In Python, when you open a file, imagine an invisible "cursor" (like the blinking line in a Word...
Activities
B2.5 Visualising File Operations - Worksheet - Java Free
Name: __________________________________________________________________ Date: _____________________ In Java, when you use a Scanner (for reading) or FileWriter (for writing) imagine an invisible "cursor"...
Activities
B 2.5 Visualising File Operations - Answers - Python
Task 1: Draw the Cursor The cursor is located after the last character written. Task 2: The Logic Error Answer: The file.read() method reads from the current cursor position to the end of the file. Since...
Activities
B2.5 Visualising File Operations - Answers - Java
Task 1: The Logic Error Answer: In Java, FileWriter may hold data in a memory buffer and not write it to the actual disk file until close() or flush() is called. If we try to read the file with a Scanner...