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Added 07-21 exam

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Deco71 2022-11-16 18:08:57 +01:00
parent 1a3767b4a9
commit 81bfdb2c34
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17
Ingegneria del Software/0721_14/correct.txt Normal file
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<pre>
class Monitor
InputReal x; // plant output
OutputBoolean y;
Boolean z;
initial equation
y = false;
equation
z = (time > 20) and ((x >= 30) or (x <= 20)) ;
algorithm
when edge(z) then
y := true;
end when;
end Monitor;
</pre>

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Ingegneria del Software/0721_14/quest.txt Normal file
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Si consideri il seguente requisito:
RQ1: Dopo 20 unità di tempo dall'inizio dell'esecuzione la variabile x è sempre nell'intervallo [20, 30].
Quale dei seguenti monitor meglio descrive il requisito RQ1 ?

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Ingegneria del Software/0721_14/wrong1.txt Normal file
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<pre>
class Monitor
InputReal x; // plant output
OutputBoolean y;
Boolean z;
initial equation
y = false;
equation
z = (time > 20) and (x >= 20) and (x <= 30) ;
algorithm
when edge(z) then
y := true;
end when;
end Monitor;
</pre>

17
Ingegneria del Software/0721_14/wrong2.txt Normal file
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<pre>
class Monitor
InputReal x; // plant output
OutputBoolean y;
Boolean z;
initial equation
y = false;
equation
z = (time > 20) or ((x >= 20) and (x <= 30)) ;
algorithm
when edge(z) then
y := true;
end when;
end Monitor;
</pre>