AP CSA | U2_L1 Variables

What are the references for three basic data types?

• string

• int

• flt

• str

• float

What data type should we use to hold if you have a pet?

• int

• double

• boolean

• String

What type of data is the following?: X = "195.67"

• Float

• String

• Boolean

• integer

True or false:

This is a correct initialization of a variable.

boolean happy = true;

• true

• false

True or false:

This is a correct initialization of a variable.

String favoriteDay = "Saturday";

• true

• false

What are the final values of x and y in the following code segment?

int x = 3;

int y = ++x * 5 / 2;

• x = 3, y = 10

• x = 4, y =7

• x = 4, y = 10

• x = 3, y = 7

• This code segment will not compile.

What does the following Python program print?

X = "Hello World!"

Y = "I can code "

Z = " In Python"

print( X + Y + Z)

• Hello World! I can code In Python

• Hello World!I can code In Python

• Hello World! I can codeIn Python

• Hello World!I can code In Python

Answer explanation

There is a space after the word "code" and before the word "In".

float, integer, boolean, and string are all examples of what?

• Variables

• Data Types

• Words

• Concatenation

What is the final value of x in the following code segment?

(Assume the header file <cmath> has been included.)

double x = pow(2, 3) + 1 / 2;

• 9.5

• 8.5

• 8.0

• 9.0

• This code segment will not compile.

print("Python " * 3); will print out what

• Python 3 Python 3 Python 3

• Python Python Python

• PythonPythonPython

• Python*3 Python*3 Python*3