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AceDSE · 試卷 · 2026.07

設計與應用科技
Design and Applied Technology

Evidence-led Design Brief and Technical Option

分鐘85 分鐘
分35 分
應考部分English
考生姓名
日期

樣本依據

sample design briefs, product images, annotated-development work, technical calculations and extended evaluation

本卷範圍

The paper targets written design reasoning. It cannot replace the substantial SBA design project.

考生須知

  1. Complete the design brief and ONE technical option.
  2. Annotated sketches may be drawn in the answer spaces.
  3. A design feature earns credit only when linked to user evidence or a technical principle.

Compulsory design brief — Medication dispenser

20 分

User research (fictional)

  • Four of six older users sometimes press twice because they cannot see whether a dose has fallen.
  • Two users have hand tremor; one can comfortably operate controls only with a closed fist.
  • Carers want a log but users reject cameras and cloud accounts.
  • The device must be cleaned weekly and fit a 240 mm × 160 mm shelf.
1(a)
Convert the interview evidence into four ranked design specifications. Each must be measurable and justified.
[8 分]
1(b)
Develop two distinct concepts using annotated sketches. Compare them with a weighted decision matrix using at least four criteria, then select one without manipulating the scores.
[8 分]
1(c)
Describe a prototype test for accidental double dispensing. Include sample, procedure, success threshold and one ethical/safety precaution.
[4 分]

Technical option

15 分

Answer ONE technical option.

Option A — Electronics and control

2A(a)
A 5.0 V microcontroller output drives an LED rated 2.0 V at 15 mA. Calculate a suitable series resistor and choose from 180 Ω, 220 Ω and 330 Ω. State the resistor's minimum power rating with a safety margin.
[7 分]
2A(b)
Design control logic that prevents a second dose within four hours but permits an authorised carer override. Include sensor failure and power-loss behaviour.
[8 分]

Option B — Materials and manufacture

2B(a)
Compare injection-moulded ABS with laser-cut acrylic for a run of 5,000 housings. Consider tooling, unit cost, impact, geometry and end-of-life repair.
[8 分]
2B(b)
Specify three design-for-manufacture changes and two quality-control checks for the chosen housing.
[7 分]

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