
Указатели
Authored by Михаил Смирнов
Computers
University
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Задана переменная x. Какая операция вычисляет адрес переменной x?
&x
|x
#x
*x
2.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Объявлены переменная X и указатель xPtr. xPtr = &x;
X = 10;
Адрес X = 0x00FF
Адрес xPtr = 0x11AA
Какое значение лежит в xPtr?
0x00FF
0x11AA
10
xPtr пуст
3.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Объявлены переменная X и указатель xPtr = &X. Как можно записать новое значение в переменную X используя указатель?
*xPtr = 10
xPtr = 10
&xPtr = 10
4.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Объявлена переменная X, лежащая по адресу 0x1001. Указать значение Ptr после выполнения программы.
long x = 10;
long *Ptr = &x;
Ptr += 3;
0x100D
0x1003
13
D
5.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Объявлен массив int V[10]. Как нельзя объявить указатель на нулевой элемент массива?
int *vPtr = V[0]
int *vPtr = V
int *vPtr = &V[0]
Все способы верные
6.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Объявлен массив int V[10] и указатель на его нулевой элемент int *Ptr = V. Как нельзя получить доступ к 5 элементу массива?
V[5] = 20
Ptr[5] = 20
*(Ptr + 5) = 20
Все способы верные
7.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
Как динамически выделить память под скалярную целочисленную переменную и инициализировать ее?
int *Ptr = new int(100)
new int Ptr = 100
int *Ptr = 100
int *Ptr = new(100)
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