C++ Ch.2 - 2.6

A preprocessor directive starts with what character or characters?

#

Write the include directive needed to allow use of the various I/O operators such as cout and cin

#include <iostream>

Rearrange the following code so that forms a correct program that prints out the letter Q:

#include <iostream> using namespace std; int main() { cout<<"Q"; return 0; }

Suppose your name was George Gershwin. Write a complete program that would print your last name, followed by a comma, followed by your first name. Do not print anything else (that includes blanks)

#include <iostream> using namespace std; int main() { cout << "Gershwin,Ggeorge" <<endl; return 0; }

Write a complete program that prints Hello World to the screen

#include <iostream> using namespace std; main() { cout<<Hello Word"; return 0; }

Write the include directive that allows use of the function headers in the file myFuncs.h.

#include<myFuncs.h>

A comment starts with what characters?

//

How many spaces printed out by this statement: cout << "how" << "now" << "brown" << "cow" << "?";

0

Write a literal representing the integer value zero

0

Write a hexadeciaml integer literal representing the value fifteen

0xf

Write a literal representing the long integer value twelve million

12000000L

Qualifying an integer declaration with "unsigned" essentially increases the maximum value of the variable by a factor of ___

2

Write a long integer literal that has the value thirty-seven

37L

How many lines are printed out by this statement: cout << "abc\ndef\tghi\njkl" << endl << endl << "mno\npqr\n";

6

Which of the following is NOT a legal identifier?

7thheaven

Which special of the following special characters does NOT need to be paired with another special character in C++

;

The world in the brackets of an include directive specifies

A file containing code that is copied into the program at the point

The text of a comment

Can be anything the programmer wants to write

Which of the following will not be recognized if iostream is not included in the program?

Cout

Preprocessor directive are carried out

Just before a program is processed by the compiler

Every C++ program must contain a ______ function

Main

Which of the following names in a program is equivalent to the name int?

None of the above

An identifier that cannot be used as a variable name is a _____________

Reserved Word

The names defined in iostream are associated with which namespace?

STD

The character escape sequence to represent a double quote is:

\"

The character escape sequence to represent a single quote is:

\'

The character escape sequence to represent a backslash is:

\\

The character escape sequence to force the cursor to go to the next line is:

\n

The character escape sequence to force the cursor to advance forward to the next tab setting is:

\t

Which of the following IS a legal identifier?

__________________

Write a statement that prints Hello World to the screen

cout<<"Hello World";

Suppose your name is Alan Turing. Write a statement that would print your last name, followed by a comma, followed by your first name. Do not print anything else (that includes blanks)

cout<<"Turing,Alan";

Write a statement that prints the following to standard output: i=

cout<<"i=";

Given an integer variable count, write a statement that write the value of count to standard output

cout<<count;

Given an integer variable drivingAge that has already been declared, write a statement that assigns the value 17 to drivingAge

drivingAge=17;

Of the following variable names, which is the best one for keeping track of whether a patient has a fever or not?

hasFever

Write a declaration for two integer variables, age and weight

int age; int weight;

Write a declaration of variable named count that can be used to hold numbers like 90000 and -1 and -406

int count;

Write a statement that declares an int variable named count

int count;

Declare an integer variable named degreesCelsius

int degreesCelsius;

Write a declaration for a variable hits that can hold the number of times a baseball player has hit the ball in a baseball game

int hits;

Write a declaration of a variable named numberOfWidgets that can be used to hold numbers like 57 and 981 and -4

int numberOfWidgets;

Write a declaration of a variable named number_of_children that can be used to hold the number of children in a family

int number_of_children;

Declare a variable populationChange, suitable for holding number like -593142 and 8930522

int populationChange;

Declare two integer variables named profitStartOfQuarter and cashFlowEndOfYear

int profitStartOfQuarter; int cashFlowEndOfYear;

Declare a long integer variable named grossNationalProduct

long int grossNationalProduct;

Which of the following is NOT a C++ keyword?

main

Of the following variable names, which is the best one for keeping track of whether an integer might be prime or not?

mightBePrime

Which is the best identifier for a variable to represent the amount of money your boss pays you each month?

monthlyPay

Write a statement to set the value of num to 4 (num is a variale that has already been declared)

num=4;

Declare an unsigned integer variable named degreesKelvin

unsigned int degreesKelvin;