2.2.0 Programming Basics

Which of these is not true about variable names?

• They must be descriptive

• They must be in capital letters

• They can't start with numbers or contain spaces

• They point to a memory location

In an assignment operation, this appears on the right hand side.

• Label for a variable that is the destination of data

• Multiple variables that are destinations for data

• Source variables or operations

• the assignment operator

Which of these is not a valid constant?

• SPACE

• PI

• UserName

• WORDLIMIT

Which of these is a valid keyword for output?

• PRINT

• SHOW

• DISPLAY

• INPUT

Consider the expression a = b

This means...

• a will always be equal to b

• b is being renamed into a

• the value of the memory location a gets copied into memory location b

• the value of the memory location b gets copied into memory location a

Which of the following is not a valid data type?

• Real

• String

• Character

• Fraction

Quotation marks around a variable's identifyer imply...

• it is an integer

• it is a string

• it is a Boolean

• it is a real

Multiplication tables are best displayed using this data type.

• Boolean

• Character

• Integer

• Real

This data type can only have the value of True or False

• Boolean

• Integer

• String

• Character

Casting refers to...

• Boolean algebra

• rounding of reals

• converting between variable data types

• printing out the program's results.