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# Essential Terms — C10

The Hamilton and Alexandra College · Year 12 · 2026

A glossary of every term you need to recognise and use correctly across C10. Click a term to expand its definition. The three class writes are handwritten with no internet and no notes, so this vocabulary has to be in your head.

```mermaid
flowchart TD
    R["C10 vocabulary<br/>26 terms"]
    R --> G0["The judgement<br/>4 terms"]
    R --> G1["What you judge against<br/>5 terms"]
    R --> G2["Quality factors defined here<br/>8 terms"]
    R --> G3["The plan<br/>4 terms"]
    R --> G4["Why plans move<br/>3 terms"]
    R --> G5["Nearby, but NOT VCAA factors<br/>2 terms"]
```

*Where the C10 vocabulary sits, and how much of it is in each group — the 6 sections below follow the same order. Revise the heavy groups first.*

---

## The judgement

>| ### Evaluation
>| The final stage of the problem-solving methodology. It checks how well the solution is satisfying the needs of the user for which it was originally created.

>| ### Evaluation criteria
>| Performance criteria made from the expectations and specification.

>| ### Testing
>| Checks the accuracy of information outputs.

>| ### Beta testing
>| The phase of software testing where a sample of the intended audience tests the software in a real environment.

---

## What you judge against

>| ### Software requirements specification (SRS)
>| A single document that contains the outcomes of the analysis stage of the problem-solving methodology, including scope, constraints, functional requirements and non-functional requirements.

>| ### Functional requirements
>| The desired operations of a program that have specified inputs, behaviours and outputs.

>| ### Non-functional requirements
>| Qualitative requirements of a solution, often tied to solution constraints.

>| ### Constraints
>| Factors that may limit or restrict solution requirements.

>| ### Solution boundaries
>| The limits or edges of what a project or solution will encompass.

---

## Quality factors defined here

>| ### Completeness
>| The extent to which all necessary features and functionality are included in the software.

>| ### Functionality
>| The extent to which a solution is suited to its purpose.

>| ### Accuracy
>| The degree to which software correctly performs its intended functions without errors.

>| ### Usability
>| The extent to which a system is easy to learn and use.

>| ### Accessibility
>| Ensures that software can be used by people with a wide range of abilities and disabilities.

>| ### Relevance
>| The degree to which software meets the current needs and requirements of its users or market.

>| ### Timeliness
>| The ability of software to provide information or functionality when it is needed, without undue delay.

>| ### Maintainability
>| How easy a solution is to look after once it has been put in place.

---

## The plan

>| ### Project management
>| A method of recording the progress of a project and managing resources to operate within time, resource and cost availability.

>| ### Gantt chart
>| A type of bar chart or graphic timeline that shows the progress of a project by placing tasks on a timeline, often with comments or annotations.

>| ### Problem-solving methodology (PSM)
>| An approach that develops the stages involved in solving a problem.

>| ### Version control
>| The method that keeps track of the current, most up-to-date document through a drafting process.

---

## Why plans move

>| ### Scope creep
>| The tendency for a project's requirements to increase over time, often leading to delays and budget overruns.

>| ### Personnel changes
>| Modifications or transitions in the team composition that can impact the development process and timelines.

>| ### Technical issues
>| Challenges or problems related to the technology being used in software development, potentially impacting project progress.

---

## Nearby, but NOT VCAA factors

>| ### Fit for purpose
>| To be well suited for a role or purpose.

>| ### Reliability
>| How much a solution can be depended upon to function as designed, and for how long.

---

## See also

- [C10 home page](/sd/C10/C10-home) — everything else for this criterion
- [Efficiency vs Effectiveness](/sd/C04/Efficiency%20vs%20Effectiveness) — the full VCAA lists: exactly 3 efficiency factors and 11 effectiveness factors; only the ones this glossary defines appear above
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9