quiz 2Science1

Quiz
•
Computers
•
2nd Grade
•
Hard
sana rihane
Used 20+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
20 sec • 4 pts
Une variable de type chaîne de caractères :
Peut contenir un seul caractère
Sa valeur se trouve entre parenthèses()
Est une une succession de n caractères avec n>=0
2.
MULTIPLE SELECT QUESTION
30 sec • 4 pts
lesquelles de ces propositions correspondent à une chaine vide?
Ch←""
Ch←" "
Ch←"0"
la chaine ayant sa longueur est 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
48
"48"
2024
"2024"
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
3
2
-1
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
On veut à partir de Ch1 et n avoir le résultat "Bienvenue 2024" dans la variable Ch3, quelle instruction utiliser
6.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
le caractère "b"
le code ASCII du caractère "b"
le code ASCII du caractère "i"
7.
MULTIPLE SELECT QUESTION
45 sec • 8 pts
On veut mettre la première lettre de Ch1 en majuscule, quelle instruction utiliser
8.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
vrai
faux
a
"a"
9.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
On veut afficher aléatoirement un caractère de la chaine Ch1
L←long(Ch1)
Écrire(chr(L))
L←long(Ch1)
Ecrire
(ch[aléa(0,L-1)])
Ecrire
(aléa((ord( "a"),ord( "z" )))
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