What does a data type say about a value?

Question

Select one:

a.
The kind of data that can be stored in the value

b.
All of these are true

c.
The amount of computer memory needed to hold the data

d.
The types of operations that can be done on the data

Answer 1

b. All of these are true

Answer 2

Which of the following best describes a variable?

Select one:

a.
A named area in computer memory that holds a value

b.
None of these are true

c.
A place where you store a value that can never change

d.
A Python statement that has random effects

Answer 3

a. A named area in computer memory that holds a value

Answer 4

Which of the following statements correctly assigns the value 42 to a variable named "theAnswer"?

Select one:

a.
42 # theAnswer

b.
42 = theAnswer

c.
theAnswer(42)

d.
theAnswer = 42

Answer 5

d. theAnswer = 42

Answer 6

Which of the following variable names are valid in Python?

Select one:

a.
All of these are valid

b.
testing123

c.
testing_123

d.
TESTING

Answer 7

a. All of these are valid

Answer 8

Which of the following variable names are invalid in Python?

Select one:

a.
testing 123

b.
testing#123

c.
All of these are invalid

d.
123_testing

Answer 9

c. All of these are invalid