Question

1. Consider the accompanying class definition, and the declaration:

ovalType smallOval;

Which of the following statements is correct?

ovalType:print();

smallOval:print();

smallOval.print();

ovalType.print();

2. Which of the following statements correctly initializes the component length of mySquare?

mySquare(length)= 5;

mySquare[0]= 5;

mySquare.length = 5;

mySquare = {5};

3. Suppose that inventory is an array of 50 components of type int. Which of the following correctly initializes the array inventory?

for (int j = 1; j <= 50; j++)
inventory[j] = 0.0;

for (int j = 0; j <= 49; j++)
inventory[j] = 0;

for (int j == 1; j <= 49; j++)
inventory[j] = 0.0;

for (int j == 0; j <= 50; j++)
inventory[j] = 0;

4. Which of the following monitors the overall activity of the computer and provides services?

arithmetic logic unit

central processing unit

computer application

operating system

5. Which of the following is an example of a floating point data type?

char

double

int

short

6. Suppose that ch1 and ch2 are char variables and the input is:

ABCD

What is the value of ch2 after the following statements execute?

cin.get(ch1);
cin.putback(ch1);
cin >> ch2;

A

D

B

C

7. Which of the following statements correctly initializes the component length of mySquare?

mySquare = {5};

mySquare.length = 5;

mySquare[0]= 5;

mySquare(length)= 5;

8. What is the output of the following code?

enum courses {CALCULUS, FORTRAN, COBOL, RELIGION, HISTORY};
courses registered;
registered = FORTRAN;
cout << registered+1 << endl;

FORTRAN

1

2

COBOL

9. What does every node (except of the last node) in a singly linked list contain?

the address of the next node

no address information

the address of the previous node

the next node

10. In what type of recursive function is the last statement executed the recursive call?

indefinite recursive

direct recursive

indirect recursive

tail recursive

11. If the derived class classA overrides a public member function functionName of the base class classD, then to specify a call to that public member function of the base class you use the statement ____.

classD.functionName();

classA.functionName();

classA::functionName();

classD::functionName();

12. What is the return type of the function operator ==?

int

void

char

bool

13. If the search item is the 500th item in the list, how many key comparisons does the sequential search make to find the search item?

250

500

125

50

14. What is a variable or expression listed in a call to a function?

formal parameter

data type

type of the function

actual parameter

15. The following expression (a + b) * (c - d) is equivalent to which of the following postfix expressions?

a b - + c d *

a b c d - + *

a b + c d - *

c d + a b - *

16. What is the value of z after the following statements execute?

int z = 10;
int *p;
p = &z;
*p = 12;

0

12

null

10

17. Suppose that z is an int variable. Which of the following expressions always evaluates to true?

(z > 0) && ( z == 0)

(z > 0) || (z == 0)

(z >= 0) || ( z <= 0)

(z > 0) && (z >= 0)

18. To sort a list of length 500, bubble sort makes about how many item assignments?

"500,000"

"62,000"

"124,000"

"11,000"

19. Which of the following is a valid C++ statement?

assert(0 += divisor);

assert(divisor is 0);

assert(divisor == 0);

assert(divisor = 0);

20. What is the output of the following code?

stackType stack;
int x, y;

x = 9;
y = 3;
stack.push(8);
stack.push(x);
stack.push(x + 1);
y = stack.top();
stack.pop();
stack.push(x + y);
x = stack.top();
stack.pop();

cout << ""x = "" << x << endl;

x = 22

x = 19

x = 15

x = 12

Answer 1

1 smallOval.print();

2 mySquare.length = 5;

3 for (int j = 0; j <= 49; j++)
inventory[j] = 0;

4 operating system

5 double

6 A

7 mySquare.length = 5;

8COBOL

9the address of the next node

10tail recursive