Page 75 - ConceptGP_C3_Fb
P. 75

A computer also follows stepwise instructions to complete any task known as a
                 program. We can define a program as a set of systematic instructions that direct

                 the computer to do specific tasks and get the desired results. Programs are written
                 in a special language known as a programming language. The person who writes
                 these programs is known as a programmer.

                 In  this chapter we will learn  about  Scratch. It is a block-based  programming

                 language.




                          WHAT IS SCRATCH?

                 Scratch is a visual programming language used to create computer

                 animation,  games  and stories.  Visual  programming means  that
                 rather than having to type the code (instructions), we use blocks of
                 code that we put together to create our projects. This makes it easier

                 to get started. It enables us to see the results of our work quickly and
                 even includes graphics and sound to it.


                                                                                                     PURE
                         Scratch was created by Mitchel Resnick at the MIT Media Lab in 2007.        FACT






                          ADVANTAGES OF SCRATCH


                 Scratch is simple, easy to understand and learn. It is used more than many other
                 programming languages for the following reasons:

                    We don’t have to remember or type commands, we can just drag and drop them
                   as we desire.


                    Commands fit together like puzzle pieces, so we get clear visual hints about how
                   to combine them.

                    We can create animations, quizzes and stories.

                   We can create and share our Scratch project online on the Scratch website.




                                In how many languages is Scratch available?







                                                                                 Introduction to Scratch Programming  73
   70   71   72   73   74   75   76   77   78   79   80