Chapter 3 Review C++
True
A keyword is a word that has a special meaning in programming language in which you are using
True
A variable is a memory location whose value can change during runtime
variable
A____ is a memory location whose value can change during runtime
keyword
A_____ is a word that has a special meaning in programming language you are using
literal constant
A_____ is not a memory location; rather, it is an item of data that can appear in a program instruction and can be stored in a memory location
named constant
A______ is a memory location whose value cannot change during runtime
double
All numeric literal constants with a decimal place are treated as the _____ data type
string
All of the following are fundamental data types except______
name in C++ are not case sensitive
All of the following are rules for naming a memory location in C++ except______
True
Another name for fundamental data types are primitive data types
Initializing
Assigning a beginning value to a memory location is referred to as _____
False
Camel case means capitalizing the entire name of a variable or named constant
binary
Data is stored in memory using the _____ number system
implicit type conversion
If the value's data type does not match the memory location's data type, the computer uses a process called ________ to convert the value to fit the memory location
False
If the value's data type does not match the memory location's data type, the computer uses a process called explicit type conversion to convert the value to fit memory location.
True
In C++, the float and double variable data types are used to store real numbers
1
In all the number systems, the result of raising the base number to the 0th power is ____
False
Numbers are represented in memory using the decimal number system
string yourname= 0.0 ; double yourname= 0.0; double yourincome= 0.0;
Short answer Write the C++ statements to declare and appropriately initialize variables representing the following: 1. Your name 2. Your age 3. Your income
none of the above
The ASCII value of the number zero would be _________ a. 0 , b. 0.0, c. either a or b, d. none of the above
False
The name of a memory location in C++ can be a keyword
False
The name of a memory location in C++ can contain a space
True
The name of location in C++ must begin with a letter
0.0
The proper initial value for a variable declared to be of the float data type would be ____
two
The short data type can only store a number in the range from -32,768 to +32,767. How many bytes of memory is required for the short data type?
False
The string data type is an example of a fundamental data type in C++
True
The term syntax refers to the rules of a programming language
False
The value of a named constant is allowed to change during runtime
False
User-defined data types are the basic data types built into the C++ language
0111
What is the binary equivalent of the decimal number 7?
promoted
When a numeric value is converted from one data type that can store larger numbers, the value is said to be ______
Camel case
When a variable's name contains two or more words, most C++ programmers enter the name using ______
const
When declaring a named constant, the ___ keyword indicates that the memory location is being declared cannot be changed during runtime
False
When naming a memory location in C++, names are not case sensitive
float
Which of the following data types can contain a real number?
-123
Which of the following is a valid integer value?
a1B2c3D4
Which of the following would be a valid name for a memory location in C++?
2ndname
Which of the following would be an invalid name for a memory location in C++?
Syntax
____ refers to the rules of a programming language
single
a character literal constant is a single character enclosed in ______ quotation marks
ASCII
is a coding scheme that assigns a specific numeric code to each character on your keyboard
one
memory locations assigned the char data type can store _____ character(s)
data is being demoted and it can affect the outcome
short answer What happens in C++ when a number is converted from one data type to another data type that can store only smaller numbers? Are there any potential consequences from this occurring? If so, please give an example
A variable can change while the programing but the named constant can't
short answer What is the primary difference between a variable and a named constant C++?
because it makes it easier for the user to identify which are constants
short answer why are the names given to named constants usually spelled in all capitals in C++?
6
what id the decimal equivalent of the binary number 110?
demoted
when a numeric value is converted from one data type to another data type that can store smaller numbers, the value is said to be _______
all of the above
which of the following is a string literal constant? a. "" ,b. "&", c. "Hello" d. all of the above
"string"
which of the following would be a valid string literal constant?