TEST BANK for Fundamentals of Python: First Programs 3rd Edition by Kenneth Lambert All Chapters 1-13

https://www.stuvia.com/user/Smartscroll




Page | 1
v v

,https://www.stuvia.com/user/Smartscroll




CHAPTER 1, INTRODUCTION v v




TABLE OF CONTENTS
v v v




Exercise Solutions v 1

Exercise 1.1 v 1

Exercise 1.2 v 2

Exercise 1.3 v 3

Review Questions Answers v v 4

Programming Exercises Solutions v v 8

Debugging Exercises Solutions 8 v v v




EXERCISESOLUTIONS v




EXERCISE 1.1
v v




1. List three common types of computing agents.
v v v v v v




Solution:

Human beings, desktop computers, cell phones
v v v v v




2. Write an algorithm that describes the second part of the process of making change (counting out the coins
v v v v v v v v v v v v v v v v v




and bills).
v v




Solution:

There are various ways to do this, but here is one:
v v v v v v v v v v




Repeat

Select the largest unit of money that is less than or equal to the remaining change Subtract this unit from the
v v v v v v v v v v v v v v v v v v v v




remaining change
v v




Until the remaining change is 0
v v v v v




The collection of units selected represent the change
v v v v v v v




Page | 2v v

,https://www.stuvia.com/user/Smartscroll




3. Write an algorithm that describes a common task, such as baking a cake.
v v v v v v v v v v v v




Solution:

There are various ways to do this, but here is one:
v v v v v v v v v v




Preheat an oven to 375 degrees v v v v v




Add 1 cup of water and 1 egg to a mixing bowl
v v v v v v v v v v v




Beat the liquid mixture in the bowl until the ingredients are blended Add the contents of a boxed cake mix to the
v v v v v v v v v v v v v v v v v v v v v




mixing bowl
v v




Beat the mixture in the bowl until the ingredients are blended
v v v v v v v v v v




Pour the contents of the mixing bowl into a lightly greased cake pan Bake the cake in the oven for 45 minutes
v v v v v v v v v v v v v v v v v v v v v




4. Describe an instruction that is not well defined and thus could not be included as a step in an algorithm. Give
v v v v v v v v v v v v v v v v v v v v




an example of such an instruction.
v v v v v v




Solution:

Attempting to divide a number by 0 v v v v v v




5. In what sense is a laptop computer a general-purpose problem-solving machine?
v v v v v v v v v v




Solution:

A laptop computer is a general-purpose problem-solving machine because it is programmable and can solve
v v v v v v v v v v v v v v




any problem for which there is an algorithm.
v v v v v v v v




6. List four devices that use computers and describe the information that they process. (Hint: Think of the
v v v v v v v v v v v v v v v v




inputs and outputs of the devices.)
v v v v v v




Solution:

Digitalcamera—images, music player—sound, cell phone—text, ATM—numbers
v v v v v v




Page | 3 v v

, https://www.stuvia.com/user/Smartscroll




Page | 4
v v