Week 2 (Intro to C++)

Question 1

What is the std namespace

Answer 1

namespace for iostream

Question 1

\a

Answer 1

alarm (beep)

Question 2

When are semi colons to be used

Answer 2

At the end of complete statements

Question 2

What does the return of the main function do?

Answer 2

sends integer value 0 when program executed successfully

Question 2

{ }(name and description)`

Answer 2

Open and closing braces, Encloses a group of statements such as the contents of a function

Question 3

What denotes the beginning of a function

Answer 3

() for argument followed by a {

Question 3

what type of object is the cout object

Answer 3

stream object

Question 3

What are constants

Answer 3

data items, values can not change

Question 4

what is the << called

Answer 4

Steam insertion operator

Question 4

What is the skeleton for definition / declaration:

Answer 4

dataType variableName(identifier) ;

Question 4

What is the keyword for a boolean

Answer 4

bool

Question 5

Syntax for an Assignment Statement

Answer 5

variableName = expression;

Question 6

How do you not confuse double long with int long

Answer 6

add L to the end of the floating point number

Question 8

What are Variables

Answer 8

storage locations in memory

Question 9

What is the skeleton of a function

Answer 9

returnType functionName () { }

Question 10

When does a preprocessor directive act?

Answer 10

Before you compile

Question 11

what operator can determine size?

Answer 11

sizeof()

Question 12

What is a return type

Answer 12

type of value function sends back when done executing

Question 13

What does a namespace do?

Answer 13

Organize names for variables, functions, and objects

Question 15

What is an assignment statement

Answer 15

Sores a value in a variable

Question 17

What follows a double slash (//)

Answer 17

Comment

Question 18

What does a preprocessor directive do?

Answer 18

“Sets up” your source code (Header File)

Question 18

What is the text inside double quotes called

Answer 18

String Literal

Question 18

What happens when you put a double into an integer?

Answer 18

Truncate, loss of data.

Question 19

What is the difference between standard and prestandard header files

Answer 19

Prestandard header files included a .h at the end. Example:

Question 20

What follows #include

Answer 20

Preprocessor Directive

Question 21

\r

Answer 21

Return (cursor to go to the beginning of the current line)

Question 22

What does the include directive do

Answer 22

causes another file to be inserted into your program (not part of C++ core language, not seen by C++, commands to preprocessor, no semi colon)

Question 24

\t

Answer 24

horizontal tab (skips to next tab stop)

Question 26

( ) (name and description)

Answer 26

Open and closing parentheses, Used in naming a function, as in int main()

Question 28

what is the symbol for the include directive

Answer 28

(pound sign)

Question 28

What is an example of a variable declaration / definiton?

Answer 28

int age;

Question 30

What does a variable definition / declaration do?

Answer 30

Assigns an identifier to a location in memory (variable)

Question 31

” “(name and description)

Answer 31

Open and closing quotation marks, Encloses a string of characters, such as a message to be printed on the screen.

Question 33

\n

Answer 33

newline (cursor to next line)

Question 34

(name and description)

Answer 34

Pound sign, Beginning of a preprocessor directive

Question 36

; (name and description)

Answer 36

Semi colon, Marks the end of a complete programming statement.

Question 37

What is an Identifier

Answer 37

Names for variables

Question 38

Why is the header file included?

Answer 38

for input / output

Question 40

what are the two ways to add a line

Answer 40

endl AND “\n” (use quotes for \n)

Question 41

What do include for string

Answer 41

include

Question 42

// (name and description)

Answer 42

Double slash, Beginning of a comment

Question 43

\b

Answer 43

Backspace (causes the cursor to move left one position)

Question 44

What is iostream for?

Answer 44

Input and output

Question 45

What can the first character of an identifier have to be?

Answer 45

letter or underscore

Question 46

< > (name and description)

Answer 46

Open and closing brackets, Encloses a file-name when used with the # include