CSCI 2010 Midterm Questions and
Verified Answers| Latest Update
The _________ , also known as the address operator, returns the memory address
of a variable.
a. asterisk ( * )
b. ampersand ( & )
c. percent sign (%)
d. exclamation point ( ! )
e. None of these
B
With pointer variables, you can __________ manipulate data stored in other
variables.
a. never
b. seldom
c. indirectly
d. All of these
e. None of these
C
,The statement int *ptr;
has the same meaning as
a. int ptr;
b. *int ptr;
c. int ptr*;
d. int* ptr;
e. None of these
D
When you work with a dereferenced pointer, you are actually working with:
a. a variable whose memory has been deallocated
b. a copy of the value pointed to by the pointer variable
c. the actual value of the variable whose address is stored in the pointer variable
d. All of these
e. None of these
C
These can be used as pointers.
a. Array names
,b. Numeric constants
c. Punctuation marks
d. All of these
e. None of these
A
The contents of pointer variables may be changed with mathematical statements
that perform:
a. all mathematical operations that are legal in C++
b. multiplication and division
c. addition and subtraction
d. b and c
e. None of these
C
A pointer may be initialized with
a. the address of an existing object
b. the value of an integer variable
c. the value of a floating point variable
d. all of these
e. None of these
, A
What does the following statement do?
double *num2;
a. Declares a double variable named num2.
b. Declares and initializes an pointer variable named num2.
c. Initializes a variable named *num2.
d. Declares a pointer variable named num2.
e. None of these
D
When the less than ( < ) operator is used between two pointer variables, the
expression is testing whether
a. the value pointed to by the first is less than the value pointed to by the second
b. the value pointed to by the first is greater than the value pointed to by the
second
c. the address of the first variable comes before the address of the second
variable in the computer's memory
d. the first variable was declared before the second variable
e. None of these
C
Verified Answers| Latest Update
The _________ , also known as the address operator, returns the memory address
of a variable.
a. asterisk ( * )
b. ampersand ( & )
c. percent sign (%)
d. exclamation point ( ! )
e. None of these
B
With pointer variables, you can __________ manipulate data stored in other
variables.
a. never
b. seldom
c. indirectly
d. All of these
e. None of these
C
,The statement int *ptr;
has the same meaning as
a. int ptr;
b. *int ptr;
c. int ptr*;
d. int* ptr;
e. None of these
D
When you work with a dereferenced pointer, you are actually working with:
a. a variable whose memory has been deallocated
b. a copy of the value pointed to by the pointer variable
c. the actual value of the variable whose address is stored in the pointer variable
d. All of these
e. None of these
C
These can be used as pointers.
a. Array names
,b. Numeric constants
c. Punctuation marks
d. All of these
e. None of these
A
The contents of pointer variables may be changed with mathematical statements
that perform:
a. all mathematical operations that are legal in C++
b. multiplication and division
c. addition and subtraction
d. b and c
e. None of these
C
A pointer may be initialized with
a. the address of an existing object
b. the value of an integer variable
c. the value of a floating point variable
d. all of these
e. None of these
, A
What does the following statement do?
double *num2;
a. Declares a double variable named num2.
b. Declares and initializes an pointer variable named num2.
c. Initializes a variable named *num2.
d. Declares a pointer variable named num2.
e. None of these
D
When the less than ( < ) operator is used between two pointer variables, the
expression is testing whether
a. the value pointed to by the first is less than the value pointed to by the second
b. the value pointed to by the first is greater than the value pointed to by the
second
c. the address of the first variable comes before the address of the second
variable in the computer's memory
d. the first variable was declared before the second variable
e. None of these
C
