Question 1

The __________ loop is a good choice when you do not want the loop to iterate if the condition is False in the beginning.

Accepted Answer

A)  while 
B)  infinite 
C)  switch 
D)  do-while 
E)  post-test 
A)  while 
B)  infinite 
C)  switch 
D)  do-while 
E)  post-test A

Question 2

A file must be __________ before data can be written to or read from it.

Accepted Answer

A)  opened 
B)  closed 
C)  named 
D)  buffered 
E)  initialized 
A)  opened 
B)  closed 
C)  named 
D)  buffered 
E)  initialized A

Question 3

When the increment operator precedes its operand, as ++num, the expression is in __________ mode.

Accepted Answer

A)  postfix 
B)  prefix 
C)  preliminary 
D)  binary 
E)  None of these 
A)  postfix 
B)  prefix 
C)  preliminary 
D)  binary 
E)  None of these B

Question 4

What will the following code display?
Int number = 6;
Int x = 0;
X = number--;
Cout << x << endl;

Accepted Answer

A)  6 
B)  5 
C)  7 
D)  0 
A)  6 
B)  5 
C)  7 
D)  0

Question 5

What will the following code display?
Int x = 0;
While (x < 5)
{
Cout << x << " ";
X++;
}

Accepted Answer

A)  0 1 2 3 4 5 
B)  0 1 2 3 4 
C)  0
1
2
3
4 
D)  This is an infinite loop 
A)  0 1 2 3 4 5 
B)  0 1 2 3 4 
C)  0
1
2
3
4 
D)  This is an infinite loop

Question 6

string objects have a member function named c_str that returns the contents of the object formatted as a null-terminated C-string.

Accepted Answer

A) True 
 B)False

Question 7

The __________ loop is ideal in situations where you want the loop to iterate at least once.

Accepted Answer

A)  while 
B)  for 
C)  switch 
D)  do-while 
E)  pre-test 
A)  while 
B)  for 
C)  switch 
D)  do-while 
E)  pre-test

Question 8

A file __________ is a small holding section of memory that file-bound information is first written to.

Accepted Answer

A)  name 
B)  number 
C)  buffer 
D)  segment 
E)  None of these 
A)  name 
B)  number 
C)  buffer 
D)  segment 
E)  None of these

Question 9

An initialization expression may be omitted from the for loop if no initialization is required.

Accepted Answer

A) True 
 B)False

Question 10

An output file is a file that data is written to.

Accepted Answer

A) True 
 B)False

Question 11

The while loop is a __________ loop.

Accepted Answer

A)  post-test 
B)  pre-test 
C)  infinite 
D)  limited 
E)  None of these 
A)  post-test 
B)  pre-test 
C)  infinite 
D)  limited 
E)  None of these

Question 12

A variable that is regularly incremented or decremented each time a loop iterates is a

Accepted Answer

A)  constant 
B)  counter 
C)  control 
D)  null terminator 
E)  None of these 
A)  constant 
B)  counter 
C)  control 
D)  null terminator 
E)  None of these

Question 13

Multiple relational expressions cannot be placed into the test condition of a for loop.

Accepted Answer

A) True 
 B)False

Question 14

How many times will the following loop display "Hello world!"?
For (int i = 0; i < 20; i++)
Cout << "Hello world!" << endl;

Accepted Answer

A)  20 
B)  19 
C)  21 
D)  an infinite number of times 
A)  20 
B)  19 
C)  21 
D)  an infinite number of times

Question 15

You may not use the break statement in a nested loop.

Accepted Answer

A) True 
 B)False

Question 16

This operator increments the value of its operand and then uses the value in context.

Accepted Answer

A)  prefix increment 
B)  postfix increment 
C)  prefix decrement 
D)  postfix decrement 
E)  None of these 
A)  prefix increment 
B)  postfix increment 
C)  prefix decrement 
D)  postfix decrement 
E)  None of these

Question 17

What will the following code display?
Int number = 6;
Int x = 0;
X = --number;
Cout << x << endl;

Accepted Answer

A)  6 
B)  5 
C)  7 
D)  0 
A)  6 
B)  5 
C)  7 
D)  0

Question 18

You may not use both break and continue statements within the same set of nested loops.

Accepted Answer

A) True 
 B)False

Question 19

The update expression of a for loop can contain more than one statement, for example:
for(i = 5; i <= 10; i++, total+= sales)

Accepted Answer

A) True 
 B)False

Question 20

The do-while loop is considered

Accepted Answer

A)  a pre-test loop 
B)  a post-test loop 
C)  an infinite loop 
D)  a counter-controlled loop 
E)  None of these 
A)  a pre-test loop 
B)  a post-test loop 
C)  an infinite loop 
D)  a counter-controlled loop 
E)  None of these

Exam 5: Loops and Files

The __________ loop is a good choice when you do not want the loop to iterate if the condition is False in the beginning.

A file must be __________ before data can be written to or read from it.

When the increment operator precedes its operand, as ++num, the expression is in __________ mode.

What will the following code display? Int number = 6; Int x = 0; X = number--; Cout << x << endl;

What will the following code display? Int x = 0; While (x < 5) { Cout << x << " "; X++; }

string objects have a member function named c_str that returns the contents of the object formatted as a null-terminated C-string.

The __________ loop is ideal in situations where you want the loop to iterate at least once.

A file __________ is a small holding section of memory that file-bound information is first written to.

An initialization expression may be omitted from the for loop if no initialization is required.

An output file is a file that data is written to.

The while loop is a __________ loop.

A variable that is regularly incremented or decremented each time a loop iterates is a

Multiple relational expressions cannot be placed into the test condition of a for loop.

How many times will the following loop display "Hello world!"? For (int i = 0; i < 20; i++) Cout << "Hello world!" << endl;

You may not use the break statement in a nested loop.

This operator increments the value of its operand and then uses the value in context.

What will the following code display? Int number = 6; Int x = 0; X = --number; Cout << x << endl;

You may not use both break and continue statements within the same set of nested loops.

The update expression of a for loop can contain more than one statement, for example: for(i = 5; i <= 10; i++, total+= sales)

The do-while loop is considered

Introduction to Computers and Programming

Introduction to C

Expressions and Interactivity

Making Decisions

Functions

Arrays and Vectors

Searching and Sorting Arrays

Pointers

Characters, C-Strings, and More About the String Class

Structured Data

Advanced File Operations

Introduction to Classes

More About Classes

Inheritance, Polymorphism, and Virtual Functions

Exceptions and Templates

The Standard Template Library

Linked Lists

Stacks and Queues

Recursion

Binary Trees

Filters