
Il modello a processi
Quiz
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others
•
•
Practice Problem
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Hard
Francesco Pacenza
FREE Resource
Enhance your content in a minute
8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual è la differenza tra un programma e un processo
2.
OPEN ENDED QUESTION
30 sec • Ungraded
Cosa è e cosa contiene il Process Control Block (PCB) di un processo? (Descriverne schematicamente ogni elemento in max 500 char)
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cosa è il context switching?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cosa è un interrupt?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cosa ci riferiamo parlando di time slice?
6.
OPEN ENDED QUESTION
30 sec • Ungraded
Descrivere l'immagine in figura facendo riferimento allo stato dei processi (max 500 char)
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcolare in numero di stampe del seguente programma C/C++ facente uso dell'istruzione fork()
------------------------------------------------------
#include
#include
int main()
{
fork();
fork();
fork();
printf("Stampa\n");
return 0;
}
8.
OPEN ENDED QUESTION
30 sec • Ungraded
Indicare l'output/i possibili output del seguente programma C/C++ facente uso delle funzioni fork() e wait()
------------------------------------------------------
#include
#include
#include
int main() {
if (fork() == 0)
printf("HC: hello from child\n");
else {
printf("HP: hello from parent\n");
wait(NULL);
printf("CT: child has terminated\n");
}
printf("Bye\n");
return 0;
}
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OFF
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