HSC Enterprise Computing: the 2026 guide to the four Year 12 focus areas and the online exam
A complete guide to HSC Enterprise Computing (NESA, 2022 syllabus). The four Year 12 focus areas (Data Science, Data Visualisation, Intelligent Systems, Enterprise Project), the 80-mark online HSC exam, school-based assessment, 2025 scaling and links to every dot point answer.
HSC Enterprise Computing is the NESA course about how organisations collect, store, analyse, visualise and act on data, and how people build the systems that do it. It replaced Information Processes and Technology (IPT). Year 11 started the course in 2024, the first HSC exam was held in 2025, and 2026 is its second HSC exam.
This page is the index for the course: the four Year 12 focus areas, how the online exam works, school-based assessment, scaling, and links to every dot point answer we have written.
The four Year 12 focus areas
Year 12 is 120 hours, split evenly across four focus areas (30 indicative hours each). The headings inside each focus area are NESA's content groups.
- Data Science
- Collecting, storing and analysing data (quantitative and qualitative data, levels of measurement, sampling, data quality, blockchain, big data, data warehousing, data mining and storage). Data quality (ethical, social and legal issues, legislation and Indigenous data sovereignty, curated data and behaviour). Processing and presenting data (spreadsheets and dashboards, flat-file and relational databases, SQL, machine learning in analytics).
- Data Visualisation
- Using data to tell a story (purposes of visualisation, software features, OLAP, data integrity, big data, bias). Interpreting data visualisations (evaluating tools, interrogating a visualisation). Designing for user experience (UX criteria, emerging UI and UX technology). Creating data visualisations (sourcing and securing data, building a visualisation that shows trends and predictions).
- Intelligent Systems
- Systems and their applications (decision support systems, expert systems, inference engines, intelligent agents, hardware, disruptive effects and ethics). Data and intelligent systems (Internet of Things networks, simulation and data modelling, surveillance). Creating intelligent systems (rules and facts, certainty factors, IF-THEN knowledge bases, automated smart systems, assessing decision support output).
- Enterprise Project
- Identifying and defining, researching and planning, producing and implementing, and testing and evaluating an enterprise computing system, including Gantt charts, data flow diagrams, development approaches (waterfall, agile, prototyping, end-user, outsourcing) and implementation plans.
The Year 11 focus areas (Interactive Media and the User Experience, Networking Systems and Social Computing, Principles of Cybersecurity) are assumed knowledge for Year 12.
The HSC exam (online)
NESA's HSC examination specifications for Enterprise Computing:
- Worth 80 marks, completed on a computer (an online HSC exam).
- 2 hours and 30 minutes, including 10 minutes reading time.
- Objective-response items (about 20 marks): 14 to 18 items, each worth 1 to 4 marks. They may share stimulus with other items.
- Short-answer items (about 60 marks): 16 to 18 items, with at least three worth 4 to 8 marks.
- Questions may contain stimulus material, and headphones are required for video and audio stimulus.
Because objective-response items can be worth up to 4 marks, do not treat Section-style "multiple choice" as quick marks. Expect interactive item types in the online platform, and practise with NESA's online sample exam, which schools can enrol you in through Schools Online.
2026 date: NESA's 2026 HSC written exam timetable lists Enterprise Computing on Thursday 29 October 2026, 9.50 am to 12.20 pm (the start time is when reading time begins).
School-based assessment
Your school submits an assessment mark that counts for half of your HSC mark in the course. NESA's mandatory Year 12 components are:
| Component | Weighting |
|---|---|
| Knowledge and understanding of course content | 50% |
| Knowledge and skills in the practical application of the content | 50% |
NESA's sample Year 12 program has 4 assessment tasks, including an individual project worth 30% and a formal examination, with any single task weighted between 10% and 40%. Your school sets its own schedule within those rules, so check your assessment booklet.
How Enterprise Computing scaled in 2025
UAC's report on the scaling of the 2025 NSW HSC lists Enterprise Computing with 1,869 students and a mean scaled mark of 23.8 out of 50 per unit. At the median, an HSC mark of 37.5 per unit (75 out of 100) corresponded to a scaled mark of about 23.7; at the 90th percentile, an HSC mark of 43.5 per unit corresponded to about 39.1. Scaling depends on how the cohort performs across all its courses, so treat these as a guide rather than a promise.
Try your subject mix in the HSC ATAR calculator.
Syllabus, dot point by dot point
Every Year 12 content group has focused answer pages: a quick answer, the explanation, a worked example, common mistakes and original practice questions with worked solutions. Practice questions are written by us in the style of the course; they are not taken from NESA papers.
Browse the full set at /hsc/enterprise-computing/syllabus.
Study strategy
- Learn the syllabus vocabulary exactly. The content points name specific ideas (nominal, ordinal, interval and ratio data; forward and backward chaining; OLAP; data swamps; Industry 4.0). Short-answer marks go to precise definitions plus an applied example.
- Build things in the software. Make a spreadsheet dashboard with a pivot table and slicers, design a small relational database and query it with SQL, and build a simple rule-based expert system. The online exam can show you screenshots and data and ask you to interpret them.
- Practise reading stimulus. Many items give a scenario, a dataset or a visualisation. Practise answering in the context of the stimulus, not with a memorised generic answer.
- Link ethics and law to real cases. For data quality and intelligent systems, know the Privacy Act 1988 (Cth), the Australian Privacy Principles, the Notifiable Data Breaches scheme, NSW privacy law and Indigenous data sovereignty principles, and be able to apply them to a scenario.
- Use your project as an example bank. Your Enterprise Project gives you real examples of Gantt charts, data flow diagrams, development approaches and testing that you can use in exam answers.
- Do NESA's 2025 exam pack and the online sample exam under timed conditions in Term 3.
Coming from IPT?
If you have older IPT notes, databases, project management and social and ethical issues still overlap, but the syllabus and exam are different. Our legacy IPT notes are background only.
For the official syllabus
NESA publishes the Enterprise Computing 11-12 Syllabus (2022), the course specifications, the HSC exam specifications and the 2025 HSC exam pack on the NSW Curriculum website and the NESA HSC exam papers page. Always check the official documents for the current requirements.
Guides
In-depth written guides with paired practice quizzes.
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