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    3.   In Scratch, how many operators allow you to compare the relationship between two values
                             or variables?

                                    a.  Two                                       b.  Three

                                    c.  Four                                      d.  Five

                          4.   Vedant is creating a Scratch project. In the project, he wants to run a set of instructions in
                             loop till a specified condition is satisfied. Which of the following blocks should he use?

                                    a.  Forever block                             b.  Repeat block

                                    c.  If…then block                             d.  Repeat until block

                          Tick ( ) the correct statements and cross ( ) the wrong ones.

                          1.  Operators blocks category are oval and hexagon in shape.

                          2.  Sensing blocks sense the input from the keyboard only.

                          3.  Variables have a fixed value, it cannot be changed.

                          4.  The automatic running of a set of instructions more than once is called looping.

                         Fill in the blanks with the correct words.

                                                     Hints Not, Two, If…then, Operators

                          1.                       blocks are used to do arithmetic and logical calculations.
                          2.   In                    logical operator, the result is true only if the expression is false.

                          3.  There are                      conditional blocks in Scratch.

                          4.   In                    block if the condition is true, the blocks inside the conditional blocks
                             will run otherwise the blocks outside the conditional block will run.

                    Q    Answer the following questions:
                      A
                          1.  What is the use of                    block?

                          2.   What are variables? Explain.

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