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This module contains review questions and answers keyed to the module titled Itse1359-1020-Numbers

Table of contents

Preface

This module is one in a collection of modules on Python designed for teaching ITSE 1359 Introduction to Scripting Languages: Python at Austin Community College in Austin, TX.

This module contains review questions and answers keyed to the module titled Itse1359-1020-Numbers .

Once you study that module, you should be able to answer the review questions in this module.

The questions and the answers in this module are connected by hyperlinks to make it easy for you to navigate from the question to the answer and back again.

(Note to blind and visually impaired students: with the exception of two bitmap images that are used solely as spacers to separate the question sectionfrom the answer section, all of the material in this module is presented in plain text format and should be accessible using an audio screen reader or abraille display.)

Questions

Question 1

True or False? Python programming comments are ignored by the computer.

Go to answer 1

Question 2

True or False? Just like in C, C++, and Java, a Python comment begins with two slash characters (//) and continues to the end of the line.

Go to answer 2

Question 3

True or False? The only prompt used by the Python interactive system is the one consisting of three right-angle brackets (>>>).

Go to answer 3

Question 4

True or False? The output produced by the Python interactive system appears on a line without either of the prompts mentioned above.

Go to answer 4

Question 5

True or False? If you enter an expression at the prompt and press the Enter key, the result of evaluating the expression will be displayed on the next linewithout a prompt.

Go to answer 5

Question 6

True or False? Computer programs are composed of expressions, which are made up of statements.

Go to answer 6

Question 7

In the following expression, 2+5, what is the common jargon for the plus sign, and what is the common jargon for the 2 and the 5?

Go to answer 7

Question 8

List the operators discussed in the module titled Itse1359-1020-Numbers , and describe the purpose of each.

Go to answer 8

Question 9

True or False? Integer division produces a decimal result with non-zero digits to the right of the decimal point.

Go to answer 9

Question 10

True or False? The modulus operator is used to produce the quotient in division.

Go to answer 10

Question 11

Describe the use of parentheses in expressions.

Go to answer 11

Question 12

Describe how Python evaluates an expression containing parentheses.

Go to answer 12

What is the meaning of the following two images?

These images were inserted here simply to insert some space between the questions and the answers to keep them from being visible on the screen at thesame time.

Spacer image of a rabbit and a penguin.

This image was also inserted for the purpose of inserting space between the questions and the answers.

Spacer image of a penguin and some houses.

Answers

Answer 12

A Python expression is evaluated by first evaluating each of the sub-expressions in the parentheses, and then using those values to complete theevaluation. If the expression contains nested parentheses, the evaluation is performed by evaluating the innermost parentheses first and working outwardsfrom there.

Go back to Question 12

Answer 11

Parentheses can be used to group terms in an expression in order to provide control over the order in which the operations are performed.

Go back to Question 11

Answer 10

False, the modulus operator is used to produce the remainder.

Go back to Question 10

Answer 9

False. Integer division produces an integer or whole number result with no non-zero digits to the right of the decimal point even if a decimal point isdisplayed.

Go back to Question 9

Answer 8

The operators and their purposes are:

  • The addition operator, +
  • The subtraction operator, -
  • The multiplication operator, *
  • The division operators, / and //
  • The modulus operator, %

Go back to Question 8

Answer 7

The plus sign is commonly called the operator. The 2 and the 5 are commonly called operands. More specifically, the 2 is the left operand and the 5 is theright operand.

Go back to Question 7

Answer 6

False. Just the reverse is true. Programs are made up of statements, which are composed of expressions.

Go back to Question 6

Answer 5

True, unless the expression can't be evaluated, in which case an error message will appear.

Go back to Question 5

Answer 4

True.

Go back to Question 4

Answer 3

False. The Python interactive system also uses a secondary prompt consisting of three periods (...).

Go back to Question 3

Answer 2

False. In Python, a comment starts with the hash character (#) and ends at the end of the line.

Go back to Question 2

Answer 1

True. Programming comments are used for program documentation and are intended for human consumption.

Go back to Question 1

Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Itse1359-1020r-Review
  • File: Itse1359-1020r.htm
  • Published: 10/14/14
  • Revised: 12/28/14
Disclaimers:

Financial : Although the Connexions site makes it possible for you to download aPDF file for this module at no charge, and also makes it possiblefor you to purchase a pre-printed version of the PDF file, you should be aware that some of the HTML elements in this module maynot translate well into PDF.

I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version ofthe module.

In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale onAmazon.com showing me as the author. I neither receive compensation for those sales nor do I know who does receive compensation. If youpurchase such a book, please be aware that it is a copy of a module that is freely available on cnx.org and that it was made andpublished without my prior knowledge.

Affiliation : I am a professor of Computer Information Technology at Austin Community College in Austin, TX.

-end-

Questions & Answers

how are we going to draw scale of preference
Achor Reply
how do we identify choice
Achor
how do we identify opportunity cost
Achor
IAC curve is geueraly
Subham Reply
what are the benefits or tourism?
Maake Reply
please I don't understand the division of labor increase
Dery Reply
Labour increasing according to demand of company or as the condition of profit and standards or weight of working level ,,,,
SHOM
Please can someone help me With the demand of labour.
Eshmel
what are the basic concept of economics
Busanga Reply
end mean and scarcity
Dery
What the term economics?
Nuran Reply
economic is the study of mankind in the ordinary business life
Dery
want to find how can a geography teacher can contribute to the economic development of a country .
Bernadette Reply
what is labour
Ab Reply
labour is the skill of a person who knows the tinitiol thinks
Mustafe
what is want, cost,
Muhammad Reply
during reccessionary and unemployment in a country which kind economic policy measure do we adopt
samuel
want is a mere demand of a commodity which is not backed by purchasing power.
marcus
ok
Tetteh
ok
Mustafe
what demand
Mustafe
demand is d desire backed up by d ability to pay
Emmanuel
demand is the purchases power
Dery
in what ways is monopolist competition different from perfect competition
Juliana Reply
The principal difference between these two is that in the case of perfect competition the firms are price takers, whereas in monopolistic competition the firms are price makers. Perfect competition is not realistic, it is a hypothetical situation, on the other hand, monopolistic competition is a pra
marcus
what is economics
Lizzy Reply
is the study of how you can make your own business to develop yourself and even the other countries
Abdifatah
the study of economic enable us to practice how to manage and arranged our daily basic of life.
Jonathan
Economics is a science that studies human behaviour as a relationship between ends and scarce means. .
Dan
Am I totally agree the scare means are the wants and beings the humans need
Anastassiya
simple meaning.....Demand and Supply
Pranav
economics is science and art economics means , branch of that knowledge which teach of economic nature
RAJESH
Economics is the study of human in relation to resources and scarce means to solve problems.
marcus
jkk
marcus
Economics is a Social Science that studies human behavior in relation to resources and scarce means to solve social problems.
marcus
Expalin why demand curve for a perfectly competitive firm is perfectly elastic and eams normal profit in the long run
Abdi Reply
how does elasticity helps in our daily lives
Chris Reply
it help me a lot, in search for slipper I can purchase shoe, in such for car I can purchase bike it helps a lot to everyone in the world.
Jonathan
List and explain four factors of production
Vuyo Reply
capital labour entrepreneur natural resources
Thembi
land labour entrepreneur capital
Ebrima
What is supply
Ogodo Reply
when the supply decreases demand also decreases
Thembi
supply is the quantity of good and services a producer is willing to supply to the market for sale at a particular price
Ebrima
when supply decrease daman is high
Dorcas
supply is the quantity of goods and services which willing to supply to market to sale a particular price
Dorcas
Difference between extinct and extici spicies
Amanpreet Reply
While the American heart association suggests that meditation might be used in conjunction with more traditional treatments as a way to manage hypertension
Beverly Reply
Researchers demonstrated that the hippocampus functions in memory processing by creating lesions in the hippocampi of rats, which resulted in ________.
Mapo Reply
The formulation of new memories is sometimes called ________, and the process of bringing up old memories is called ________.
Mapo Reply
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Source:  OpenStax, Itse 1359 introduction to scripting languages: python. OpenStax CNX. Jan 22, 2016 Download for free at https://legacy.cnx.org/content/col11713/1.32
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