Question 1

A comment starts with what characters?

Accepted Answer

//

Question 2

The text of a comment is checked by the compiler for accuracy. must appear in the first line of the program. is printed out when the program runs. can be anything the programmer wants to write.

Accepted Answer

can be anything the programmer wants to write.

Question 3

A preprocessor directive starts with what character or characters?

Accepted Answer

#

Question 4

Preprocessor directives are carried out: just before a program is loaded into the processor. just before a program is executed by the central processing unit (CPU). just before a program is processed by the compiler. just before the program's output is processed.

Accepted Answer

just before a program is processed by the compiler.its the set up for your source code.They also dont require ; at the end

Question 5

Function

Accepted Answer

Can be though of as a group of one or more programming statements that collectively has a name.

Question 6

{} Braces

Accepted Answer

All the statements that make up a function are enclosed in a set of braces.

Question 7

Literals

Accepted Answer

Constant values that are assigned to variables. can be string or integer

Question 8

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

Accepted Answer

;

Question 9

Every C++ program must contain a ____ function.

Accepted Answer

main

Question 10

Which of the following names in a program is equivalent to the name int? Int INT All of the above None of the above

Accepted Answer

None of the above//Correct - Only int is int: case matters.

Question 11

The names defined in iostream are associated with which namespace?

Accepted Answer

std

Question 12

Rearrange the following code so that it forms a correct program that prints out the letter Q: int main()}// A SCRAMBLED program return 0;#include <iostream> cout << Q;{using namespace std;

Accepted Answer

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

Question 13

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

Accepted Answer

n

Question 14

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

Accepted Answer

t

Question 15

The character escape sequence to represent a single quote is:

Accepted Answer

'

Question 16

The character escape sequence to represent a double quote is:

Accepted Answer

Question 17

How many lines are printed out by this statement: cout << abcndeftghinjkl << endl << endl << mnonpqrn;

Accepted Answer

6

Question 18

Write a complete program that prints Hello World to the screen.

Accepted Answer

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

Question 19

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).

Accepted Answer

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

Question 20

Write a statement that prints the following to standard output :i=Just write one statement that generates the message above: do not generate any extraneous spaces. Do not declare variables , do not write a main() function, do not write a whole program .

Accepted Answer

cout << i=;

Question 21

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

Accepted Answer

cout << count;

Question 22

The word in the brackets of an include directive specifiesA. a namespace.B. a file containing code that is copied into the program at that point.C. a file containing definitions of input/output code.D. the name of the program.

Accepted Answer

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

Question 23

Which of the following will not be recognized if iostream is not included in the program? main std namespace return cout

Accepted Answer

cout

Question 24

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

Accepted Answer

#include <iostream>

Question 25

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

Accepted Answer

#include <myFuncs.h>

Question 26

Write a statement that declares an int variable named count.

Accepted Answer

int count;

Question 27

Declare an integer variable named degreesCelsius .

Accepted Answer

int degreesCelsius;

Question 28

Which of the following is NOT a legal identifier? outrageouslyAndShockinglyLongRunon _42 _ lovePotionNumber9 7thheaven

Accepted Answer

7thheaven

Question 29

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

Accepted Answer

reserved word

Question 30

Which of the following IS a legal identifier? 5_And_10 Five_Constant ____________ LovePotion#9 Hello World

Accepted Answer

____________Rules:First character , must be a letter or underscore character.After first, you may use letters, numbers, or underscore.Upper and lower case symbolize 2 diff things.

Question 31

Which of the following is NOT a C++ keyword? using int main namespace return

Accepted Answer

main

Question 32

Identifier

Accepted Answer

A programmer-defined name that rep some element of a program.

Question 33

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

Accepted Answer

monthlyPay

Question 34

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

Accepted Answer

hasFever

Question 35

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

Accepted Answer

mightBePrime

Question 36

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

Accepted Answer

int populationChange;

Question 37

Declare two integer variables named profitStartOfQuarter and cashFlowEndOfYear.

Accepted Answer

int profitStartOfQuarter;int cashFlowEndOfYear;

Question 38

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

Accepted Answer

int numberOfWidgets;

Question 39

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.

Accepted Answer

int hits;

Question 40

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

Accepted Answer

int count;

Question 41

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

Accepted Answer

int number_of_children;

Question 42

Write a declaration for two integer variables , age and weight.

Accepted Answer

int age, weight;

Question 43

Declare an unsigned integer variable named degreesKelvin .

Accepted Answer

unsigned int degreesKelvin;

Question 44

Declare a long integer variable named grossNationalProduct.

Accepted Answer

long int grossNationalProduct;

Question 45

Write a hexadecimal integer literal representing the value fifteen.

Accepted Answer

0xf

Question 46

Write a literal representing the long integer value twelve million.

Accepted Answer

12000000L

Question 47

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

Accepted Answer

37L

Question 48

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

Accepted Answer

2

Question 49

Write a character literal representing the (upper case) letter A .

Accepted Answer

'A'

Question 50

Write a literal representing the character whose ASCII value is 65.

Accepted Answer

'A'

Question 51

Write a character literal representing the digit 1 .

Accepted Answer

'1'

Question 52

Write a literal representing the largest character value . Suppose we are using unsigned one-byte characters .

Accepted Answer

255

Question 53

Declare a character variable named c.

Accepted Answer

char c;

Question 54

Integer variables

Accepted Answer

Can only hold whole numbers.-Float point holds decimals

Question 55

QUESTION 1: How many bytes are needed to store: 'n' ? QUESTION 2: How many bytes are needed to store: n ? QUESTION 3: How many bytes are needed to store: 'n' ? QUESTION 4: How many bytes are needed to store: n, ? QUESTION 5: How many bytes are needed to store: n ? QUESTION 6: How many bytes are needed to store:  ?

Accepted Answer

1. 12. 23. 1 4. 25. 36. 1

Question 56

What's the difference in UNICODE value between 'E' and 'A'? (consult a table of UNICODE values): QUESTION 2: What's the difference in UNICODE value between 'e' and 'a'? (consult a table of UNICODE values): QUESTION 3: What's the difference in UNICODE value between '3' and '0'? (consult a table of UNICODE values): QUESTION 4: What's the difference in UNICODE value between '6' and '0'? (consult a table of UNICODE values):

Accepted Answer

1. 42. 43. 34. 6

Question 57

Write the necessary preprocessor directive to enable the use of the C++ string class .

Accepted Answer

#include <string>

Question 58

Declare a string variable named mailingAddress.

Accepted Answer

string mailingAddress;

Question 59

Declare a string variable named empty and initialize it to the empty string .

Accepted Answer

string empty=;

Question 60

Assume that message is a string variable . Write a statement to display its value on standard output .

Accepted Answer

cout << message;

Question 61

Assume that word is a string variable . Write a statement to display the message Today's Word-Of-The-Day is:  followed by the value of word on standard output .

Accepted Answer

cout << Today's Word-Of-The-Day is: +word;

Question 62

Write a literal corresponding to the value of the first 6 digits of PI (three point one four one five nine).

Accepted Answer

3.14159

Question 63

Write a floating point literal corresponding to the value zero.

Accepted Answer

.0

Question 64

Write a statement that declares a double variable named dosage.

Accepted Answer

double dosage;

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