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    REVISIT

                        ▶   Touch events let apps respond to screen interactions like taps, swipes or touches.
                        ▶   Drawing and Animation tools let you create apps for drawing and moving objects on the screen.
                        ▶   The Magic_Pad app lets you draw with your finger, change colours and reset the screen like a digital drawing book.
                        ▶   A sensor lets an app interact with the environment by detecting motion, location, sound and more.
                        ▶   Sensors can create apps that respond to movement.

                      1.  Tick ( ) the correct option.

                         a.  Choose the event that occurs when the user moves their finger on the screen.

                             (i)  Touch Down                               (ii)  Touch Up
                            (iii)  Touch Move                              (iv)  Click

                         b.  Select the component that enables inserting text typed by a user.

                             (i)  Button                                   (ii)  Label
                            (iii)  Text Box                                (iv)  ImageSprite

                         c.  Which of the following is a non-visible component in MIT App Inventor?

                             (i)  Canvas                                   (ii)  Button
                            (iii)  Pedometer                               (iv)  Image

                         d.  Identify the sensor that is used in weather apps to measure air humidity.
                             (i)  Gyroscope                                (ii)  Hygrometer

                            (iii)  Light Sensor                            (iv)  Proximity Sensor

                         e.  Mark the event that is triggered when the user lifts the finger from the screen.
                             (i)  Touch Up                                 (ii)  Touch Down

                            (iii)  Touch Move                              (iv)  Click

                      2.  Fill in the blanks using the words from the help box.

                                                 Ball, Data, Blocks, Brightness, Gyroscope

                         a.   MIT App Inventor use colourful ___________ instead of long codes.

                         b.  The ___________ sensor is used in VR apps to detect rotation and tilting.
                         c.  ___________ is a round object that you can add to the Canvas.
                         d.   The NFC sensor enables devices to share ___________ when close together.

                         e.  The Light Sensor is used to adjust screen ___________.

                       70   Computer Science (V5.0)-VI

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