Italian Phrase
Un DAE, a cosa serve?
Meaning
The sentence asks about the purpose or function of a DAE (defibrillatore automatico esterno). It is a straightforward way to request information about what the device does.
When to use
Use this question when you are in a medical‑safety briefing, a first‑aid course, or simply curious about the emergency equipment you see in a public place.
✦Grammar Breakdown
UnDAE,acosaserve?
Indefinite article (Un)
Use 'un' before masculine singular nouns or abbreviations that start with a consonant sound.
Abbreviation (DAE)
DAE stands for 'defibrillatore automatico esterno' and is treated as a masculine noun.
Interrogative structure (a cosa serve?)
The construction 'a cosa + verb' asks 'what is it used for?'. The verb 'servire' is used impersonally.
🗨In Conversation
Un DAE, a cosa serve?
A DAE, what is it used for?
Serve a ripristinare il ritmo cardiaco in caso di arresto cardiaco improvviso.
It is used to restore the heart rhythm in case of sudden cardiac arrest.
✕Common Mistakes
Un DAE, che serve?
While understandable, the idiomatic way to ask about purpose is 'a cosa serve'.
Un DAE, a cosa serve
Missing the question mark can make the sentence look like a statement.
Una DAE, a cosa serve?
Do not use the feminine article 'una' because DAE is masculine.
↔Alternatives
Che cosa fa un DAE?
What does a DAE do?
Qual è la funzione di un DAE?
What is the function of a DAE?
A cosa serve il DAE?
What is the DAE for?
Cultural Tip
In Italy, DAE units are increasingly installed in schools, gyms, airports and shopping centres. When you see one, you can ask 'Un DAE, a cosa serve?' to start a conversation about emergency preparedness. Remember that the word 'defibrillatore' is masculine, so you say 'il defibrillatore' and 'un DAE'.