Algoritmik tillar va dasturlash fanidan 1-kurs “Amaliy matematika” yo’nalishi talabalari uchun yn (Yakuniy Nazorat) test savollari

int[] Sonlar = new int [2] { 20, 22, 23, 0 };
====
byte[] Sonlar = new byte [4] { 20, 22, 23, 0 };
++++

C# da massiv elementlarining toifasini ko’rsatmasdan masiivni e’lon qilish uchun qaysi kalit so’zidan foydalanish lozim?
====
out
====
var
====
ref
====
for
++++

C# da var b = new[] { 1, 1.5, 2, 2.5 }; deb e’lon qilingan b massiv elemaentlari qaysi toifaga mansub?
====
double
====
int
====
string
====
float
++++

C# da var а = new[] { 1, 10, 100, 1000 }; deb e’lon qilingan a massiv elemaentlari qaysi toifaga mansub?
====
double
====
int
====
string
====
float
++++

C# da var с = new[] { "hello", null, "world" }; deb e’lon qilingan c massiv elemaentlari qaysi toifaga mansub?
====
double
====
int
====
string
====
float
++++

C# da xato yozilgan e’lon ifodasi qaysi?
====
var а = new[] { 1, 10, 100, 1000 };
====
var b = new[] { 1, 1.5, 2, 2.5 };
====
с = new[] { "hello", null, "world" };
====
var d = new[] { 1, "bir", 2, "ikki", false };
++++

C# da string[] S = new string[] { "bir", "ikki", "uch" };
Console.WriteLine("{0}", S.Length); ifodalari bajarilsa, konsol ekraniga nima chiqadi?
====
3
====
2
====
1
====
0
++++

Agar C# da massiv object [] MM = new object [4]; deb e’lon qilingan bo’lsa, ushbu 1) MM[0] = 10; 2) MM[1] = false; 3) MM[2] = new DateTime(1969, 3, 24);
4) MM[3] = "Form & Void"; ifodalarning (ya’ni o’zlashtirish operatorlarining) qaysilari to’g’ri?
====
1), 2) va 3)
====
hammasi
====
2), 3) va 4)
====
1), 3) va 4)
++++