What is a method that allow a user to observe, but not change the state of an object?

• input
• reader
• accessor
• observer

Which method of the Turtle class moves the turtle to the center of the graphics window, without drawing any line?

• reset()
• home()
• zero()
• center()

What type of function calls itself?

• self-calling
• constructor
• recursive
• unitary

Which socket method does a script run to obtain information sent by the server?

• bind
• listen
• recv
• accept

What is the RGB value of the white?

• (0, 0, 255)
• (255, 255, 255)
• (255, 0, 0)
• (0, 0, 0)

In which phase of the waterfall model does the programmer determine how the program will do its task?

• design
• customer request
• analysis
• maintenance

Which technique can make recursive functions that are called repeatedly with the same arguments more efficient?

• optimization
• memoization
• simplification
• tweaking

What will the following loop print on the screen? for count in range(5): print count,

• 4
• 5
• 0 1 2 3 4
• 1 2 3 4 5

What is the process provided by a Python module that allows the programmer to save and load objects?

• converting
• pickling
• serializing
• streaming

What is the binary representation of the decimal number 9?

• 0101
• 111
• 1001
• 101