Question 1

When a function is invoked, a new namespace known as the function namespace is created corresponding to the function itself.

Accepted Answer

A) True 
 B)False

Question 2

Resolution is typically expressed as a number of:

Accepted Answer

A)  pixels. 
B)  megapixels. 
C)  digital dots. 
D)  RGB.

Question 3

Case Study 1:
>>> p = Pixel(200, 100, 150)
>>> p
(200, 100, 150)
>>> p.getRed()
1. ??????
>>> p.setBlue(20)
>>> p
2. ??????
>>>
-Refer to the session in the accompanying Case Study 1. What is printed on line 1?

Accepted Answer

A)  200 
B)  100 
C)  150 
D)  (200, 100, 20)

Question 4

Which of the following is a grayscale color?

Accepted Answer

A)  (1, 2, 3) 
B)  (30, 30, 30) 
C)  (0, 20, 20) 
D)  (255, 0, 0)

Question 5

What image object is used to create an image from a file?

Accepted Answer

A)  FileImage 
B)  PixelImage 
C)  EmptyImage 
D)  ImageWin

Question 6

Match each definition with its term.
-Created within a function.

Accepted Answer

A)  __name__ 
B)  Local variables 
C)  builtins namespace 
D)  Edge detection

Question 7

How can you discover the names of the objects in the built-in namespace?

Accepted Answer

The answer of How can you discover the names of...

Question 8

Explain how to create a negative image at the pixel level.

Accepted Answer

The answer of Explain how to create a negative image...

Question 9

In Python, all the names defined in a program, whether for data or for functions, are organized into namespaces.

Accepted Answer

A) True 
 B)False

Question 10

Case Study 2:
>>> def squareIt(n):
return n * n
>>> squareIt(3)
9
>>> squareIt(squareIt(3))
1. ??????
>>> squareIt
<function squareIt at 0x0000022740D68E18>
>>> z = squareIt
>>> z(3)
9
>>> z
2. ??????
-Refer to the session in the accompanying case study. What is printed on line 2?

Accepted Answer

A)  9 
B)  81 
C)  function squareIt at 0x0000022740D68E18 
D)  An error message

Question 11

Explain how the different Python namespaces are organized with respect to one another.

Accepted Answer

The answer of Explain how the different Python namespaces are...

Question 12

What module contains objects that allow us to construct and manipulate pixels?

Accepted Answer

A)  RGB 
B)  pixelimg 
C)  cImage 
D)  pImage

Question 13

What statement constructs a window that is 600 pixels wide and 400 pixels high?

Accepted Answer

A)  PixelWin(400, 600) 
B)  PixelWin(600, 400) 
C)  ImageWin("Image Processing", 400, 600) 
D)  ImageWin("Image Processing", 600, 400)

Exam 6: Image Processing: Nested for Loops, Functions As Parameters, Namespaces, Lists of Lists