BÀI THI TRẮC NGHIỆM LẠP TRÌNH C TRÊN LINUX

1.What value is stored in x after the following two statements are Dan Quayle once said, "Who’s responsible for the riots?. 20.Given the following function prototype: void fooint arr[];

BÀI THI TRẮC NGHIỆM LẬP TRÌNH C TRÊN LINUX

ĐỀ SỐ: 501

1.What value is stored in x after the following two statements are

Dan Quayle once said, "Who’s responsible for the riots? The rioters." A

cout << "Dan Quayle once said, "Who\’s responsible for the riots? The rioters " ";

3.Which of the following will output "Yes" if the integer variable num is either 2, 3, 4, or 5?

C

D

5.

variable named num?

A

cout << num;

the top of the program?

three integers passed in?

A

C

D

13.

20.Given the following function prototype:

void foo(int arr[]);

Which statement correctly passes the array to the function?

int arr[10]; foo(arr[10]);

two-dimensional array of type double?

int main(){

Foo f;

f->printMessage(); return 0;

There are no public accessor methods.

members of the structure?

struct Point {

int x;

int y;

};

30.Under the principle of information hiding, which class definition best encapsulated the variable named "x"?

A

B

C

31.

val1=2 val2=1 val1=2 val2=2 val1=2 val2=2

B

val1=0 val2=1 val1=0 val2=2 val1=0 val2=2

In default constructor Printing

35.

upon declaring the variable of type Foo?

C

D

40.

There should be no semicolon after the right curly brace in the

definition of the Foo class

int operator %(const Number &x, const Number &y);

Dan Quayle once said, "Who’s responsible for the riots? The rioters." A

cout << "Dan Quayle once said, "Who\’s responsible for the riots? The rioters " ";

Before foo, X=1 In foo, X=2, After foo, X=2

the top of the program?

three integers passed in?

A

C

D

16.

void foo(int &);

Which of the following calls would give an error message?

B

C

D

A

B

C

D

all elements in the array?

int arr[10];

D

int[11] arr;

encapsulated the variable named "x"?

A

B

D

27.

"ID" cannot be all uppercase

A

We can specify member variables to be public or private within a class, but not within a struct.

B

A class allows member functions in addition to member variables while

a struct does not.

Money m1(10,50), m2(10,50);

A

B

In default constructor Printing

In default constructor

In default constructor Printing

Printing

34.

val1=2 val2=1 val1=2 val2=2 val1=3 val2=2

B

val1=2 val2=1 val1=2 val2=2 val1=2 val2=2

val1=0 val2=1 val1=0 val2=2 val1=0 val2=2

D

val1=1 val2=1 val1=2 val2=2 val1=3 val2=2

35.

2 dollars and 50 cents 4 dollars and cents

upon declaring the variable of type Foo?

struct Stuff {

A

B

C

There should be no semicolon after the right curly brace in the

definition of the Foo class

D

The constructor must have a return type of void in the implementation

41.

6 7

B

6 8

7 8

D

7 9

43.

BÀI THI TRẮC NGHIỆM

C

D

3.

7.How can we input a value from the keyboard and store it in the variable named num?

Dan Quayle once said, "Who’s responsible for the riots? The rioters."

10 4 10 4

void foo(int &);

Which of the following calls would give an error message? A

B

C

D

18.

void foo(int arr[]);

Which statement correctly passes the array to the function? A

int arr[10]; foo(arr[0]);

B

C

D

25.

There are no private variables

There is a semicolon missing after the right curly brace

members of the structure?

struct Point {

int x;

int y;

};

Point p; p:x = 10; p:y = 20;

B

Point p; p.x = 10; p.y = 20;

C

Point p; p::x = 10; p::y = 20;

D

Point p; p->x = 10; p->y = 20;

29.

encapsulated the variable named "x"?

A

C

D

Printing

In default constructor Printing

In default constructor Printing

C

In default constructor

In default constructor Printing

val1=1 val2=1 val1=2 val2=2 val1=3 val2=2

B

val1=2 val2=1 val1=2 val2=2 val1=2 val2=2

val1=0 val2=1 val1=0 val2=2 val1=0 val2=2

D

val1=2 val2=1 val1=2 val2=2 val1=3 val2=2

35.

upon declaring the variable of type Foo?

6 7

B

6 8

7 8

D

7 9

42.