A medical clinic would like to implement an automated appointment system. They are trying to work out whether to build a system or buy a system. Which of the following statements is NOT true:

Question

BlackTom AI · Accepted Answer

Off-the-shelf software typically has a much shorter time-to-deploy than a full custom build, so the statement that “because the clinic needs the system urgently, building the system is the best option” is NOT true.

1) Relevant knowledge points and concepts
- Off-the-shelf (buy) vs custom (build): Buy usually gives faster deployment, lower up-front development risk, and a known license/purchase cost; build requires requirements gathering, design, development, testing, and deployment—taking more time and often incurring uncertain costs.  
- Customisation: Even bought systems frequently require configuration or customization to meet specific business needs, which adds cost/time.  
- Time-to-market and risk: Urgent needs favor solutions with the shortest proven delivery path and lowest delivery risk.

2) Step-by-step reasoning
- Identify urgency: Clinic needs a working appointment system quickly due to rising patients.  
- Compare options by time: Buying an existing appointment package (possibly with light configuration) can often be implemented in days–weeks; building a custom system typically needs months for specification, development, testing, and rollout.  
- Compare costs and risk: Building has uncertain total cost and schedule risk; buying has a more fixed upfront price (though customisation adds cost).  
- Conclusion from comparison: For urgent requirements, buying (with configuration) is generally the better option than building from scratch.

3) Calculations / intermediate steps
- No numeric calculations required. Conceptual timeline comparison: Buy = fast (days–weeks) vs Build = slow (weeks–months) leads to buy being preferable under urgency.

4) Why the correct answer is correct
- The statement claims building is best because of urgency. That contradicts standard project selection logic: custom development increases time and risk, so it is not the best choice when speed is critical.

5) Why the other options are true (briefly)
- Option A: Appointment systems are generic, so vendors commonly sell them — true.  
- Option B: Purchased software often needs customization for clinic-specific workflows; that costs extra — true.  
- Option C: Owners preferring buy due to a fixed, known upfront cost is reasonable — true (buying gives clearer initial pricing compared with uncertain development costs).

6) Conclusion
The only false statement is “Due to an increase in patient numbers, they need the system urgently so building the system is the best option,” which matches the provided correct answer.

A medical clinic would like to implement an automated appointment system. They are trying to work out whether to build a system or buy a system. Which of the following statements is NOT true:单项选择题

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