Machine learning model for labelled handwritten letters

2025-hsc-se-q03 · mcq_single · 1 mark

Source: NESA 2025 HSC Software Engineering HSC Q3

Question

An image recognition program uses machine learning to recognise letters. It is trained using a range of images of handwritten letters. Each of the images below is labelled with the letter B when training the program.

What model of ML training is used to train this software?

Examples of handwritten letter B used as labelled training images.
Labelled handwritten B examples.

Options

  1. A. Supervised learning
  2. B. Unsupervised learning
  3. C. Reinforcement learning
  4. D. Semi-supervised learning
Reveal answer

A. Supervised learning

Marking rubric

MarksDescription
1Identifies the correct answer.

Explanation

The training images are labelled with the expected output, so the model is using supervised learning.

Metadata

Submitter
Seed data
Created
2026-05-01
Status
published
Syllabus
SE12-AUTO-ML-TRAINING SE-12-03
Tags
machine learning supervised learning image recognition