[CP 2] M5 - Pointers and Dynamic Arrays
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67 Terms
1
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int *p;
What is the declaration for the pointer that points to a variable of type int?
2
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20
What is the output of the following?
\#include
\#include
3
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*
A symbol used to access the value of an address
4
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&
A symbol used to determine the address of a variable
5
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p now points to b
What will happen in this code?
int a \= 100, b \= 200;
int *p \= &a, *q \= &b;
p \= q;
int a \= 100, b \= 200;
int *p \= &a, *q \= &b;
p \= q;
6
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&
Which of the following is a reference operator?
&
*
@
&
&
*
@
&
7
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string mystring *;
Which of the following is NOT a way to declare a pointer variable?
8
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All of the given
To create a dynamic array, you have to use:
"Pointer Variable
All of the given
Array
New operator"
"Pointer Variable
All of the given
Array
New operator"
9
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It depends on user input
How many number 5 will display based on the given program?
\#include
\#include
10
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Memory space is allocated at runtime
Which of the following is NOT true about static arrays?
11
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Error
What is the output of the program?
\#include
\#include
12
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143
What is the output of the given program?
\#include
\#include
13
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A memory address
What is the output of the program?
\#include
\#include
14
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1 2 3 4 5
What is the output of the following?
\#include
\#include
15
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Pointer
It stores the memory address as its value.
16
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90
What is the output of the following?
\#include
\#include
17
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100 200 300 400 500
What is the output of the following program?
\#include
\#include
18
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int *ip;
Which of the following is illegal?
string s, *sp \= 0;
int *pi \= 0;
int *ip;
int i; double * dp \= &i;
string s, *sp \= 0;
int *pi \= 0;
int *ip;
int i; double * dp \= &i;
19
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Pizza Pizza
What is the output of the following program?
\#include
\#include
20
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var1
Complete the given code:
\#include
\#include
21
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void pointer
It is a pointer not associated with any data types
22
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new operator
Denotes a request for memory allocation on the Free Store
23
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float a [10];
How a static array is declared?
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Heap
Dynamically allocated memory is allocated on \___________________
25
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error
What is the output of the given program?
\#include
\#include
26
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8
What is the output of the following?
\#include
\#include
27
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memory space is allocated during compile time
Which of the following is NOT true about dynamic arrays?
Group of answer choices
Memory space is allocated during compile time
Memory space is allocated at runtime
Located in Heap memory space
Dynamic size
Group of answer choices
Memory space is allocated during compile time
Memory space is allocated at runtime
Located in Heap memory space
Dynamic size
28
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by applying the dereference operator
What is used for accessing the contents of memory location whose address is stored in a pointer variable?
29
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143
What is the output of the given program?
\#include
\#include
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90
What is the output of the following?
\#include
\#include
31
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x is a pointer to a string, y is a string
Choose the right option:
string* x, y;
Group of answer choices
x is y
x is a pointer to a string, y is a string
this statement produces an error
both x and y are pointer to string types
string* x, y;
Group of answer choices
x is y
x is a pointer to a string, y is a string
this statement produces an error
both x and y are pointer to string types
32
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dynamic array declaration
double * p \= new double [45]; is an example of:
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100 200 300 400 500
What is the output of the following program?
\#include
\#include
34
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ALL OF THE MENTIONED
A void pointer can point to which type of objects?
int
float
double
all of the mentioned
int
float
double
all of the mentioned
35
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fg daw
What is the output of this program?
\#include < iostream \>
using namespace std;
int main()
{
char *ptr;
char Str[] \= "abcdefg";
ptr \= Str;
ptr +\= 5;
cout << ptr;
return 0;
}
\#include < iostream \>
using namespace std;
int main()
{
char *ptr;
char Str[] \= "abcdefg";
ptr \= Str;
ptr +\= 5;
cout << ptr;
return 0;
}
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45241
\#include
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Pizza Pizza
What is the output of the following program?
\#include
\#include
38
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40
What is the output of the following?
\#include
\#include
39
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20
What is the output of the following?
\#include
\#include
40
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delete operator
What operator is used to free allocated memory?
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40461
What is the output of the following program?
\#include
\#include
42
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it depends on user input
How many number 5 will display based on the given program?
\#include
\#include
43
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100 200 300 400 500
What is the output of the following program?
\#include
\#include
44
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error
What is the output of the program?
\#include
\#include
45
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8
What is the output of the following?
\#include
\#include
46
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1 2 3 4 5
What is the output of the following?
\#include
\#include
47
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error
What is the output of the given program?
\#include
\#include
48
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a memory address
What is the output of the program?
\#include
\#include
49
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Pizza Pizza
What is the output of the following program?
\#include
\#include
50
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None of the mentioned
"By its definition a void pointer does not point to data of a specific type. Therefore you cannot de-reference a void pointer
when it cast to another type of object yung tamang sagot"
"By its definition a void pointer does not point to data of a specific type. Therefore you cannot de-reference a void pointer
when it cast to another type of object yung tamang sagot"
When does the void pointer can be dereferenced?
51
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Pizza
What is the output of the following code?
\#include
\#include
52
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Pizza Pizza
What is the output of the following program?
\#include
\#include
53
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Pizza
What is the output of the following code?
\#include
\#include
54
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20
What is the output of the following?
\#include
\#include
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new and delete
what functions are used in dynamic memory allocation in C++?
56
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45241
What is the output of the following?
\#include
\#include
57
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40461
What is the output of the following program?
\#include
\#include
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90
What is the output of the following?
\#include
\#include
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100 200 300 400 500
\#include
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It depends on user input
How many number 5 will display based on the given program?
\#include
\#include
61
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143
\#include
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delete
to free the dynamically allocated array pointed by pointer-variable, use:
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new
it is used to declare memory blocks at run time (dynamically)
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dangling pointer
a pointer that no longer points to something valid on the heap
65
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delete ptr;
what is the correct syntax for deleting a pointer named ptr:
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new operator
It requests for the memory allocation in heap
67
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call the pointer
the method of passing arguments to a function copies the address of an argument into the formal parameer