Treasure Inspiration
Computer Systems
T

What is inside a computer system?

Build the core idea from scratch with gentle steps and lots of hints.

Computer Science · Beginner

5

questions · ~4 min · 3 hints each (−5 pts)

Confidence tracking, 3-tier hints and instant feedback.

What you'll learn

Each question helps you build key knowledge and skills.

  • 1A computer system is made of hardware, which is the physical parts you can touch, and software, which is the programs and instructions that tell the hardware what to do.
  • 2The central processing unit, or CPU, is the part of the computer that carries out instructions, using components such as the arithmetic logic unit, the control unit and registers.
  • 3The CPU repeats a cycle called fetch decode execute, where it fetches an instruction from memory, works out what it means, and then carries it out.
  • 4Computers use RAM to hold programs and data that are currently in use, and ROM to hold permanent instructions needed when the computer starts up.
  • 5Secondary storage such as hard disks, solid state drives and USB sticks keeps data safely even when the power is turned off, and embedded systems are small computers built into everyday devices to do one specific job.

Question mix

A mix of question types to build your skills.

  • Multiple choice×3
  • True / False×1
  • Short answer×1

Different question types help you think in different ways.

How it works

A simple 3-step process

  1. 1

    Rate your confidence

    Tell us how sure you feel before answering. It helps us understand your starting point.

  2. 2

    Use hints if stuck

    Get up to 3 helpful hints per question. Each hint costs 5 Treasure Points.

  3. 3

    See what went wrong

    Get instant feedback with clear explanations, so you can learn and improve.

Ready when you are

This takes about 4 minutes.