CS 225 – What will be displayed on the console

Question 1

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 3;

int num2 = 4;

myFunction (num1, num2);

system(“pause”);

return 0;

}

void myFunction (int num1Par, int num2Par) {

cout << num1Par << num2Par;

}

A) 33

B) 34

C) 35

D) 36

Question 2

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 3;

int num2 = 4;

myFunction (num1, num2);

return 0;

}

void myFunction (int num1Par, int num2Par) {

num1Par++;

num2Par++;

cout << num1Par << num2Par;

}

A) 42

B) 43

C) 44

D) 45

Question 3

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 3;

int num2 = 4;

myFunction (num1, num2);

return 0;

}

void myFunction (int num1Par, int num2Par) {

num1Par++;

num2Par++;

++num1Par;

++num2Par;

cout << num1Par << num2Par;

}

A) 65

B) 56

C) 23

D) 43

Question 4

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 3;

int num2 = 4;

myFunction (num1, num2);

system(“pause”);

return 0;

}

void myFunction (int num1Par, int num2Par) {

cout << pow(num2Par,num1Par);

}

A) 33

B) 46

C) 64

D) 65

Question 5

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 4;

int num2 = 3;

myFunction (num1, num2);

system(“pause”);

return 0;

}

void myFunction (int num1Par, int num2Par) {

cout << pow(num2Par,num1Par);

}

A) 81

B) 80

C) 79

D) 77

Question 6

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 2;

int num2 = 2;

myFunction (num1, num2);

return 0;

}

void myFunction (int num1Par, int num2Par) {

cout << pow(num2Par,pow(num1Par,num2Par));

}

A) 14

B) 15

C) 16

D) 13

Question 7

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 18;

int num2 = 2;

cout << modIt(num1, num2);

return 0;

}

int modIt(int num1Par, int num2Par) {

return num1Par % num2Par;

}

A) 2

B) -1

C) 1

D) 0

Question 8

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 1234561;

int num2 = 2;

cout << modIt(num1, num2);

return 0;

}

int modIt(int num1Par, int num2Par) {

return num1Par % num2Par;

}

A) 4

B) 3

C) 2

D) 1

Question 9

What will be displayed on the console given the following code fragment?

int main() {

int aSide = 3;

int bSide = 4;

myFunction (aSide, bSide);

return 0;

}

void myFunction (int num1Par, int num2Par) {

cout << sqrt(pow(num1Par,2.0) + pow(num2Par, 2.0));

}

A) 5555

B) 555

C) 55

D) 5

Question 10

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 3;

int num2 = 4;

myFunction (num1, num2);

return 0;

}

void myFunction (int num1Par, int num2Par) {

cout << pow(num2Par,num2Par);

}

A) 245

B) 256

C) 222

D) 652

Question 11

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 3;

int num2 = 4;

myFunction (num1, num2);

return 0;

}

void myFunction (int num1Par, int num2Par) {

cout << sqrt(num2Par);

}

A) 5

B) 4

C) 3

D) 2

Question 12

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 3;

int num2 = 4;

myFunction (num1, num2);

cout << (num1 * num2);

return 0;

}

void myFunction (int num1Par, int num2Par) {

cout << num1Par << num2Par;

}

A) 1234

B) 3412

C) 1423

D) 2345

Question 13

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 3;

int num2 = 4;

num1 = myFunction (num1, num2);

cout << num1;

return 0;

}

int myFunction (int num1Par, int num2Par) {

cout << num1Par << num2Par;

return (num1Par * num2Par);

}

A) 1234

B) 3412

C) 4312

D) 3222

Question 14

What will be displayed on the console given the following code fragment?

int main() {

int num1 = 3;

double num2 = 4.0;

num1 = gradeIt(num2);

cout << num1;

return 0;

}

int gradeIt (double scorePar) {

if (scorePar >= 60.0)

return 1;

else

return -1;

}

A) 2

B) 1

C) 0

D) -1

Question 15

What will be displayed on the console given the following code fragment?

int main() {

double num2 = 4.0;

string message = “”;

cout << gradeIt(num2);

return 0;

}

string gradeIt (double scorePar) {

if (scorePar < 60.0)

return “Passed”;

else

return “Failed”;

}

A) Passed

B) Failed

C) PassedFailed

D) none of the above

Question 16

What will be displayed on the console given the following code fragment?

int main() {

double num2 = 4.0;

string message = “”;

cout << gradeIt(pow(20, num2));

return 0;

}

string gradeIt(double scorePar) {

if (scorePar > 60.0)

return “Passed”;

else

return “Failed”;

}

A) Passed

B) Failed

C) Pass

D) Fail

Question 17

What will be assigned to variable messagegiven the following code fragment?

int main() {

int num1 = 3;

int num2 = 5;

double num3 = 6.0;

string message = “”;

message = gradeIt(num2) + gradeIt(num1, num2);

return 0;

}

string gradeIt (double scorePar) {

if (scorePar < 60.0)

return “Passed”;

else

return “Failed”;

}

string gradeIt (int num1Par, int num2Par) {

if (num1Par > 3 && num2Par > 3)

return “YES”;

else

return “NO”;

}

A) PassedNO

B) PassedYES

C) Passed

D) YES

Question 18

What will be assigned to variable statementgiven the following code fragment?

int main() {

int num1 = 3;

int num2 = 5;

double num3 = 6.7;

string statement = “CS”;

statement = gradeIt(num2, num3);

return 0;

}

string gradeIt (double scorePar) {

if (scorePar < 60.0)

return “Passed”;

else

return “Failed”;

}

string gradeIt (int num1Par, int num2Par) {

if (num1Par > 3 && num2Par > 3)

return “YES”;

else

return “NO”;

}

string gradeIt (int num1Par, double num2Par) {

return to_string(num1Par * (int)num2Par);

}

A) 20

B) 30

C) 40

D) 50

Question 19

What will be assigned to variable outputgiven the following code fragment?

int main() {

double num1 = 3;

double num2 = 5;

int num3 = 9;

string output = “CS”;

output = output + modIt(num3) + modIt(num1, num2);

return 0;

}

string modIt(int num3Par) {

return to_string(num3Par) + “ABC”;

}

string modIt (double num1Par, double num2Par) {

return “CS225”;

}

A) CS9AB

B) CS9ABCCS

C) CS9ABCCS22

D) CS9ABCCS225

Question 20

What will be assigned to variable outputgiven the following code fragment?

int main() {

double num1 = 3;

double num2 = 5;

int num3 = 9;

string output = “CS”;

output = output + concatIt(num3) + concatIt(num1+1.0, num2+2.0);

}

string concatIt(int num3Par) {

return to_string(num3Par) + “ABC”;

}

string concatIt(double num1Par, double num2Par) {

return “CS225”;

}

A) CS9ABCCS

B) CS9ABCCS225

C) ABCCS225

D) CS9S225

Question 21

What will be assigned to variable resultgiven the following code fragment?

int main() {

double num1 = 3;

double num2 = 5;

int result;

result = modIt(num2, num1);

return 0;

}

int modIt (double num1Par, double num2Par) {

return (int)pow(num1Par, num2Par);

}

A) 125

B) 124

C) 123

D) 122

Question 22

What will be the final value of variable num2when the program is executed given the following code fragment?

int main() {

double num1 = 3;

double num2 = 5;

int result;

result = modIt(num2, num1);

}

int modIt(double &num1Par, double &num2Par) {

num1Par++;

num2Par++;

return (int)pow(num1Par, num2Par);

}

A) 9

B) 8

C) 6

D) 7

Question 23

What will be the final value of variable num1when the program is executed given the following code fragment?

int main() {

double num1 = 3;

double num2 = 5;

int result;

result = modIt(num2, num1);

}

int modIt(double &num1Par, double &num2Par) {

num1Par++;

num2Par++;

return (int)pow(num1Par, num2Par);

}

A) 1

B) 2

C) 3

D) 4

Question 24

What ultimately will be assigned to variable answergiven the following code fragment?

int main() {

int num3 = 9;

string answer = “CS”;

answer = modIt(num3);

answer = answer + to_string(num3);

return 0;

}

string modIt(int &num3Par) {

num3Par++;

return to_string(num3Par);

}

A) 10

B) 1010

C) 101010

D) 0101

Question 25

The output of the statement: cout << pow(3.0, 2.0) + 5 << endl; is ____.

A) 11.0

B) 12.0

C) 13.0

D) 14.0

Question 26

The output of the statement:

cout << pow(2.0, pow(3.0, 1.0)) << endl;

is ____.

A) 6.0

B) 7.0

C) 8.0

D) 9.0

Question 27

The heading of the function is also called the ____.

A) title

B) function signature

C) function head

D) function header

Question 28

A variable listed in a header is known as a(n) ____ parameter.

A) actual

B) local

C) formal

D) function

Question 29

Given the following function prototype: int test(float, char);, which of the following statements is valid?

A) cout << test(12, &);

B) cout << test(“12.0”, ‘&’);

C) int u = test(5.0, ‘*’);

D) cout << test(’12’, ‘&’);

Question 30

A function prototype is ____.

A) a definition, but not a declaration

B) a declaration and a definition

C) a declaration, but not a definition

D) a comment line

Question 31

Suppose that you have the following declaration.

enum cars {FORD, GM, TOYOTA, HONDA};

cars domesticCars = FORD;

The statement:

domesticCars = static_cast<cars>(domesticCars + 1);

sets the value of domesticCars to ____.

A) FORD

B) GM

C) TOYOTA

D) HONDA

Question 32

Consider the declaration:

enum sports {BASKETBALL, FOOTBALL, HOCKEY, BASEBALL, SOCCER};

which of the following statements is true?

A) SOCCER– = BASEBALL

B) BASEBALL++ = SOCCER

C) HOCKEY + FOOTBALL < SOCCER

D) FOOTBALL <= SOCCER

Question 33

What is the output of the following code?

enum courses {ALGEBRA, BASIC, PASCAL, PHILOSOPHY, ANALYSIS};

courses registered;

registered = ALGEBRA;

cout << registered << endl;

A) ALGEBRA

B) 0

C) 1

D) “ALGEBRA”

Question 34

Which of the following statements creates an anonymous type?

A) enum grades {A, B, C, D, F};

B) enum grades {};

C) enum {};

D) enum {A, B, C, D, F} grades;

Question 35

Before using the data type string, the program must include the header file ____.

A) enum

B) iostream

C) string

D) std

Question 36

Suppose str = “ABCDEFGHI”. The output of the statement

cout << str.length() << endl;

is ____.

A) 7

B) 8

C) 9

D) 10

Question 37

The length of the string “Hello There. ” is ____.

A) 11

B) 12

C) 13

D) 14

Question 38

Consider the following statements:

string str = “ABCDEFD”;

string::size_type position;

After the statement position = str.find(‘D’); executes, the value of position is ____.

A) 3

B) 4

C) 6

D) 7

Question 39

Considering the statement string str = “Gone with the wind”;, the output of the statement cout << str.find(“the”) << endl; is ____.

A) 9

B) 10

C) 11

D) 12

Question 40

The ____ function is used to interchange the contents of two string variables.

A) iterator

B) traverse

C) swap

D) change

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