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Tkc0100: preface  (Page 4/7)

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In my opinion, the most difficult aspect of teaching coding to beginners is getting their attention and getting them engaged. Therefore, the firstgroup of instructional modules in this collection will be designed to help beginners, their parents, and their teachers get started programming with Scratch .

Links to useful Scratch material

Up until May 9, 2013, the latest version of Scratch was version 1.4. For several days prior to May 9, the Scratch website was shut down to allow the folks at MIT to migrate from version 1.4 to version 2.0.

On May 9, 2013, Scratch version 2.0 was officially released and the Scratch website was reopened reflecting that change. I will have more to say about the new versionof Scratch later. In the meantime, some of the following links may take you to information about the old version, some maytake you to information about the new version, and unfortunately, some may have become broken during the transition.

  • Click here to watch a short video about Scratch .
  • Click here to see what Mitch Resnick, director of the Lifelong Kindergarten group at MIT Media Lab has to say about the need for beginners to learn to code.
  • Click here to view the online version of an interesting Scratch project named Day Dream.
  • Click here to take an online tour of Scratch .
  • Click here to view online Scratch tutorial videos from MIT.
  • Click here to view thousands of online scratch projects.
  • Click here to learn more about scratch.

New features in Scratch 2.0

There are a number of new features in v2.0, some of which are very nice. I will refer you to this preview article that discusses some of those new features.

Internet access is required

There are a couple of critical aspects of v2.0 that I will mention. Although there was a strong web component that involved sharing projects with Scratch v1.4, that version of Scratch was a program that was downloaded, installed on the local machine, and run locally. Once the program was installed on the localmachine, Internet access was nice but no longer required.

Scratch v2.0 requires Internet access to be of any use. The developmentprogram runs online in a browser. Therefore, those without Internet access and those with poor Internet access won't be able to use Scratch v2.0.

Version 1.4 is still available

Fortunately, as of May 2013, it is still possible to download and install v1.4 from (External Link) . Then the program can be run locally without a requirement for Internet access.

The adobe flash player is required

Another critical aspect v2.0 is that the Adobe Flash player must be installed on the local machine to use v2.0. While this may not be a problem in most cases, itis something that potential users of v2.0 should be aware of.

My publications for Scratch v2.0

On the release date for v2.0 (May 9, 2013) , I was about two-thirds complete in the publication of a series of modules designed to connect the fun side of Scratch v1.4 to the serious world of Computer Science. I immediately put that v1.4 series on the back burner and began a newseries built around Scratch v2.0 . However, for the benefit of those who still need information about v1.4, I did not deletethe modules that I had previously published for that version. You will find those modules in this collection in addition to the modules for v2.0.

Questions & Answers

differentiate between demand and supply giving examples
Lambiv Reply
differentiated between demand and supply using examples
Lambiv
what is labour ?
Lambiv
how will I do?
Venny Reply
how is the graph works?I don't fully understand
Rezat Reply
information
Eliyee
devaluation
Eliyee
t
WARKISA
hi guys good evening to all
Lambiv
multiple choice question
Aster Reply
appreciation
Eliyee
explain perfect market
Lindiwe Reply
In economics, a perfect market refers to a theoretical construct where all participants have perfect information, goods are homogenous, there are no barriers to entry or exit, and prices are determined solely by supply and demand. It's an idealized model used for analysis,
Ezea
What is ceteris paribus?
Shukri Reply
other things being equal
AI-Robot
When MP₁ becomes negative, TP start to decline. Extuples Suppose that the short-run production function of certain cut-flower firm is given by: Q=4KL-0.6K2 - 0.112 • Where is quantity of cut flower produced, I is labour input and K is fixed capital input (K-5). Determine the average product of lab
Kelo
Extuples Suppose that the short-run production function of certain cut-flower firm is given by: Q=4KL-0.6K2 - 0.112 • Where is quantity of cut flower produced, I is labour input and K is fixed capital input (K-5). Determine the average product of labour (APL) and marginal product of labour (MPL)
Kelo
yes,thank you
Shukri
Can I ask you other question?
Shukri
what is monopoly mean?
Habtamu Reply
What is different between quantity demand and demand?
Shukri Reply
Quantity demanded refers to the specific amount of a good or service that consumers are willing and able to purchase at a give price and within a specific time period. Demand, on the other hand, is a broader concept that encompasses the entire relationship between price and quantity demanded
Ezea
ok
Shukri
how do you save a country economic situation when it's falling apart
Lilia Reply
what is the difference between economic growth and development
Fiker Reply
Economic growth as an increase in the production and consumption of goods and services within an economy.but Economic development as a broader concept that encompasses not only economic growth but also social & human well being.
Shukri
production function means
Jabir
What do you think is more important to focus on when considering inequality ?
Abdisa Reply
any question about economics?
Awais Reply
sir...I just want to ask one question... Define the term contract curve? if you are free please help me to find this answer 🙏
Asui
it is a curve that we get after connecting the pareto optimal combinations of two consumers after their mutually beneficial trade offs
Awais
thank you so much 👍 sir
Asui
In economics, the contract curve refers to the set of points in an Edgeworth box diagram where both parties involved in a trade cannot be made better off without making one of them worse off. It represents the Pareto efficient allocations of goods between two individuals or entities, where neither p
Cornelius
In economics, the contract curve refers to the set of points in an Edgeworth box diagram where both parties involved in a trade cannot be made better off without making one of them worse off. It represents the Pareto efficient allocations of goods between two individuals or entities,
Cornelius
Suppose a consumer consuming two commodities X and Y has The following utility function u=X0.4 Y0.6. If the price of the X and Y are 2 and 3 respectively and income Constraint is birr 50. A,Calculate quantities of x and y which maximize utility. B,Calculate value of Lagrange multiplier. C,Calculate quantities of X and Y consumed with a given price. D,alculate optimum level of output .
Feyisa Reply
Answer
Feyisa
c
Jabir
the market for lemon has 10 potential consumers, each having an individual demand curve p=101-10Qi, where p is price in dollar's per cup and Qi is the number of cups demanded per week by the i th consumer.Find the market demand curve using algebra. Draw an individual demand curve and the market dema
Gsbwnw Reply
suppose the production function is given by ( L, K)=L¼K¾.assuming capital is fixed find APL and MPL. consider the following short run production function:Q=6L²-0.4L³ a) find the value of L that maximizes output b)find the value of L that maximizes marginal product
Abdureman
types of unemployment
Yomi Reply
What is the difference between perfect competition and monopolistic competition?
Mohammed
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Source:  OpenStax, Teaching beginners to code. OpenStax CNX. May 27, 2013 Download for free at http://cnx.org/content/col11498/1.20
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