Binary & Data
T

Number Systems

Push a bit harder. Apply what you know to less familiar problems.

Computer Science · Medium

5

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

Confidence tracking, 3-tier hints and instant feedback.

What you'll learn

  • 1Denary = base 10.
  • 2Binary = base 2.
  • 3Hexadecimal = base 16.
  • 4Colours often in hex.

Question mix

  • Multiple choice×4
  • Fill the gap×1

How it works

Score ≥ 80% to unlock
  • 1

    Rate your confidence

    Tell us how sure you feel before answering. It powers your weak-topic map.

  • 2

    Use hints if stuck

    Reveal up to 3 progressive hints per question. Each hint costs 5 Treasure Points.

  • 3

    See what went wrong

    Instant feedback solves the exact question you just answered, so nothing stays fuzzy.

Ready when you are. This takes about 4 minutes.