so-un-bot/Ingegneria del Software/0721_17/quest.txt

Si consideri il seguente modello Modelica.
<pre>
class System
Boolean x;
initial equation
x = false;
equation
when sample(0, 2) then
    x = not (pre(x));
end when;
end System;
</pre>
Quale delle seguenti affermazioni vale per la variabile booleana x ?
Downloaded 0721 questions 2022-11-15 14:27:16 +01:00			`Si consideri il seguente modello Modelica.`
New questions correctly formatted 2022-11-16 17:56:16 +01:00			`<pre>`
Downloaded 0721 questions 2022-11-15 14:27:16 +01:00			`class System`
			`Boolean x;`
			`initial equation`
			`x = false;`
			`equation`
			`when sample(0, 2) then`
			`x = not (pre(x));`
			`end when;`
			`end System;`
New questions correctly formatted 2022-11-16 17:56:16 +01:00			`</pre>`
Downloaded 0721 questions 2022-11-15 14:27:16 +01:00			`Quale delle seguenti affermazioni vale per la variabile booleana x ?`