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    INSIDE THE SERIES

                      The key features of the series have been designed to ensure better learning and assessment.

                        Learning Resources

                            1      Google Drawings
                                                        Let's Surf provides
                          Let’s surf
                                                        an overview of the
                             Components of Google Drawings
                             Working with Lines       Working with Shapes
                                          Inserting Text
                             Working with Tables
                                         Working with Images
                             Downloading a Drawing
                                         Sharing a Drawing  chapter contents.
                         graphic designs and publications.
                         Google Drawings is a multipurpose and very useful tool that allows the users to make all types of
                           COMPONENTS OF GOOGLE DRAWINGS
                         Let’s discuss the components of Google Drawings.
                           Title bar  Menu bar
                                Standard toolbar
                                                                                                  2      Scratch Programming
                                           Horizontal Ruler
                                           Drawing Canvas
                                                                                                  Let’s surf   Block Categories
                                                                                                   Setting the Sprite Position    Programs in Scratch
                            Vertical Ruler                                                         Components of Scratch Desktop     Repeat block
                                                                                                   Forever Block    Variables
                                                                                                   Sensing Blocks    Creating a Game
                                Drawings Interface                                                 Conditional Blocks
                          Title bar                                                                                   Critical Thinking
                                                                                                 Let’s PLug-in
                                                                                                  Identify the given blocks and guess which block will you use to make the sprite talk and move.
                        The title bar shows the name of the drawing on which the user is working. If the user has not saved the
                        file with another name. Drawings gives it the default name ‘Untitled Drawing’.
                                          Google Drawings                                         Tick () the correct option and cross () the wrong one:
                                               7
                                                                   Let's Plug-in links back to
                                                                  previous knowledge before
                                                                      starting the lesson.
                                                                                                  You have learnt about Scratch in your previous class. Scratch is a software which helps you create
                                                                                                  many games. There are many versions of Scratch. The latest version is Scratch 3.0.
                                                                                                  You know that Scratch blocks are divided into different categories. Each block performs a different
                                                                                                  function. Let us recall some previous tasks and also learn about these blocks in detail.
                                                                                                                     Scratch Programming  19
                                                        Tech Hint
                                                      provides a tip
                                                        to help the
                                                      students in the
                                   Tech Hint
                          In Scratch, each number is equal to 1 step  of the sprite on the stage. In the turn block,   lab.
                          change the degree from 15 to 90.
                           FOREVER BLOCK
                         Forever block is used to make the sprite do something infinitely (nonstop) until a command is passed
                         over it by the user. To use the Forever block, replace the repeat block with a forever block. Create the
                         following Script and Run to watch your Sprite go round and round!
                                         when  clicked
                             Let’s Practice  forever pen down
                             Open Scratch.  Create  a script  using   move 100  steps
                             sensing block and conditional block where   turn  90  degrees  ARTIFICIALLY INTELLIGENT MACHINES
                             a penguin ask questions to a bear.
                                                                           For a machine to be artificially intelligent, it must be
                                                                           able to do the following:
                            PROGRAMS IN SCRATCH                            a.   It should be able to solve tasks and take decisions.
                          Create these scripts and get the output.  b.     b.   It should be able to understand and express human
                              a.                                            language.
                                                                           c.  It should be able to recognise images.
                                                                                      Tech Fact
                                                                             SHRDLU was one of the first AI programs to try to understand natural language.
                                                                             AI AROUND US
                                                                            AI was developed to make our life easier and do our daily tasks in a better manner. Let us look at
                                                                            artificial intelligence that we see around us.
                            SENSING BLOCKS
                           Sensing blocks in Scratch sense the input from the keyboard or the mouse at the time of execution   Voice  Assistant  is  an AI technology  that  can   Tech Fact presents
                                                                              Voice Assistant
                           of a script.                                     understand  human commands  and execute   a fact about
                                                                            them. Some  examples of  voice assistants  are
                           26  Premium Edition-VI                           Google assistant, Cortana and Siri.  Cortana  Siri  the topic.
                                                                                          Face Detection
                                                                                        Face detection is an AI technology  which is used
                                                                                        for a variety of purposes. We use face detection in
                                                                                        filters on face while taking pictures and use face ID for
                                                                                        unlocking the phone.
                                                                              Premium Edition-VI
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