Variables and Constants

What are the references for three basic data types?

• string

• int

• flt

• str

• float

Which answer correctly initializes the number of tennis balls in a package?

• numTennisBalls = 3

• numTennisBalls = float(3)

• numTennisBalls = "3"

• numTennisBalls = int(3)

Which answer correctly initializes the number of cookies in a cookie jar?

• numCookies = 14.5

• numCookies = float(14.5)

• numCookies = "14.5"

• numCookies = int(14.5)

Which answer correctly initializes the name of the college as a constant?

• collegeName = "Lone Star College"

• COLLEGE_NAME= "Lone Star College"

• collegeName = str ("Lone Star College")

• COLLEGE_NAME= str(Lone Star College)

• COLLEGE_NAME= str("Lone Star College")

What notation is used to store float variables ?

• ASCII Notation

• Float Notation

• Floating Point Notation

• Two's Complement Notation

• Binary Notation

What notation is used to store int variables ?

• ASCII Notation

• Float Notation

• Floating Point Notation

• Two's Complement Notation

• Binary Notation

What notation is used to store str variables ?

• ASCII Notation

• Float Notation

• Floating Point Notation

• Two's Complement Notation

• Binary Notation

Once an integer variable is assigned a value ...

• that value cannot be changed.

• that value may be changed to any other value.

• that value may only be changed to another integer

• that value may only be changed to another numeric, either integer or float

Once an integer constant is assigned a value ...

• that value cannot be changed.

• that value may be changed to any other value.

• that value may only be changed to another integer

• that value may only be changed to another numeric, either integer or float

Which is a correct declaration and initialization for someone's phone number?

• phoneNum = str("2819283321")

• phoneNum = int(2819283321)

• phoneNum = float(281.928.3321)

• PHONE_NUM = int(2819283321)