Activities
A 1.2.2 Worksheet
Storing data in binary A1.2.2 Explain how binary is used to store data. Answer in full sentences. For explain questions, give the mechanism and the reason, not just the outcome. Name: ______________________________ ...
Activities
A 1.2.1 Worksheet
A1.2.1 Worksheet Number systems and integer conversion A1.2.1 Describe the principal methods of representing data. Integers only. Show your working in the space provided. Use the reference table below....
Activities
A 1.2.1 Worksheet Answers
A1.2.1 Worksheet — Answer Key Number systems and integer conversion A1.2.1 Describe the principal methods of representing data. Integers only. Show your working in the space provided. Use the reference...
Assessment
Internal Assessment
Welcome to the central hub for the IB Computer Science Internal Assessment. Officially titled "The Computational Solution," this project is your chance to solve a real problem. This guide, based on official...
Activities
A 1.1.8 Worksheet Answers
1. Compression represents the same information in fewer bits [1], which reduces the size of the file [1]. (2 marks) 2. Redundancy is information that is repeated or predictable and can be removed without...
Activities
A 1.1.8 Worksheet
Describe the concept of compression. Name: ............................................ Class: ................ Total: /30 Answer in full sentences where a question asks you to describe or outline....
Blog
Help me test IB CS Learn - 100 beta spots open Free
As some of you saw teased in the last newsletter, IB CS Learn is now ready for its first real users and I'd love a few teachers and their students to help me put it through its paces. Try it now: brookebit.com...
Assessment
Criterion A: Problem Specification
Criterion A (4 marks) is your project's foundation. It defines the problem you are solving, the user you are solving it for, and the specific, measurable success criteria your product must meet. A strong...
eBook
B 1.1.4 Flowcharts
A flowchart is a visual representation of an algorithm using standardised symbols connected by arrows. Tracing a flowchart means following its execution step by step, recording how variable values change...
eBook
B 1.1.3 Applying computational thinking
The four concepts of computational thinking are not abstract ideas, they are active tools applied repeatedly when building software, analysing data, and securing systems. This page explains how and why...