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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/27/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 > 0) and ((x >= 5) or (x <= 0)) and ((x >= 15) or (x <= 10)) ;
algorithm
when edge(z) then
y := true;
end when;
end Monitor;
</pre>

4
Ingegneria del Software/27/quest.txt Normal file
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Si consideri il seguente requisito:
RQ1: Durante l'esecuzione del programma (cioè per tutti gli istanti di tempo positivi) la variabile x è sempre nell'intervallo
[0, 5] oppure [10, 15]
Quale dei seguenti monitor meglio descrive il requisito RQ1 ?

15
Ingegneria del Software/27/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 > 0) and ( ((x >= 0) and (x <= 5)) or ((x >= 10) and (x <= 15)) );
algorithm
when edge(z) then
y := true;
end when;
end Monitor;
</pre>

15
Ingegneria del Software/27/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 > 0) and ((x >= 0) or (x <= 5)) and ((x >= 10) or (x <= 15)) );
algorithm
when edge(z) then
y := true;
end when;
end Monitor;
</pre>