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Add 21-50 question of 01/22

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Lorenzo 2022-11-02 09:13:43 +01:00
parent 604c2269b6
commit 5c561b5538
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15
Ingegneria del Software/30/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>

3
Ingegneria del Software/30/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 ?

15
Ingegneria del Software/30/wrong 2.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>

15
Ingegneria del Software/30/wrong.txt Normal file
View file

@ -0,0 +1,15 @@
<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>