CSC 101 Final Review Questions with Correct Answers

CSC 101 Final Review Questions
with Correct Answers
Which of the following statements is used to simplify the accessing of all globalType
namespace members? - Answer-using namespace globalType;

The identifiers in the system-provided header files such as iostream, cmath, and
iomanip are defined in the namespace ____. - Answer-std

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

Suppose that str1, str2, and str3 are string variables. After the following statements
execute, the value of str3 is "____".

str1 = "abc";
str2 = "xyz";
str3 = str1 + '-' + str2; - Answer-abc-xyz

Suppose str = "xyzw";. After the statement str[2] = 'Y'; The value of str is "____". -
Answer-xyYw

Suppose str = "ABCDEFGHI". The output of the statement

cout << str.length() << endl; - Answer-9

The length of the string "Hello There. " is ____. - Answer-13

11 Consider the following statements.

string str = "ABCDEFD";
string::size_type position;

After the statement position = str.find('D'); executes, the value of position is ____. -
Answer-3

11 Considering the statement string str = "Gone with the wind";, the output of the
statement cout << str.find("the") <<

endl; is ____. - Answer-10

, 11 Consider the following statements.

string str1 = "ABCDEFGHIJKLM";
string str2;

After the statement str2 = str1.substr(1,4); executes, the value of str2 is "____". -
Answer-BCDE

11 Consider the following statements.

string str1 = "Gone with the wind";
string str2;

After the statement str2 = str1.substr(5,4); executes, the value of str2 is "____". -
Answer-with

11 The ____ function is used to interchange the contents of two string variables. -
Answer-swap

11 Which of the following statements declares alpha to be an array of 25 components of
the type int? - Answer-int alpha[25];

Assume you have the following declaration int beta[50];. Which of the following is a valid
element of beta? - Answer-beta[0]

What is the output of the following loop?

count = 5;
cout << 'St';
do
{
cout << 'o';
count--;
}
while (count <= 5); - Answer-This is an infinite loop.

____ loops are called post-test loops. - Answer-do...while

Which of the following loops does not have an entry condition? - Answer-do...while loop

The ____ statement can be used to eliminate the use of certain bool variables in a loop.
- Answer-break

What executes immediately after a continue statement in a while and do-while loop? -
Answer-loop-continue test