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    3. Write 'T' for true or 'F' for false.

                          a.  The Visible Eyeball icon means the layer is shown in your artwork.

                          b.  The "when clicked" block starts the script when the green flag is clicked.

                          c.  You can draw the shapes in any direction you want.

                          d.  Atlas operates only indoors and cannot sense obstacles.

                          e.  Autonomous robots require constant human supervision to operate.

                      4. Match the following:

                          a.   move  10  steps                            (i)  Starts the script when clicked

                                                                        (ii)  Plays a sound
                          b.   when    clicked

                          c.   switch costume to  costume2              (iii)  Moves the sprite forward

                          d.   play sound  Meow  until done             (iv)  Changes the sprite’s costume

                      5. Short answer type questions.

                        a.  What are Layers?

                        b.  How can Sound blocks make a sprite "talk"?

                        c.  What is the main purpose of Pen blocks in Scratch?

                        d.  Define the term robots.
                        e.  What are tele-operated robots designed for?

                      6. Long answer type questions.

                        a.  List any three options present in the Hamburger icon.

                        b.  Which Scratch block lets you change costumes and display text?

                        c.  How do you make a sprite draw a circle in Scratch?

                        d.   How does the humanoid robot "Palki" contribute to the dining experience at the
                            restaurant in Guwahati?

                        e.  What type of environment do pre-programmed robots work in?

                      108   Premium Edition-IV

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