Home of real teaching & learning
  • Full support for teachers
  • Focus on critical thinking
  • Engaging classroom activities
  • Integrated student eBook
  • Assessed tasks / qBank
  • Practice exam questions
Find out more Download brochure

The InThinking Guarantee: Our sites are written by expert practitioners and not by AI

See our AI policy

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Don't miss out, find out!

A 1.3 Operating systems and control systems

A1.3 covers how an operating system manages a computer's resources, and how control systems work (HL). It includes the role and functions of the OS, scheduling, polling and interrupts, and control system components and applications. This page holds the lessons and the lesson starters for this subtopic. Here are the lesson starters for A1.1. For more detail on how to use them go to the Lesson Starters Hub Link to...

Help