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    Basic Components Used with Breadboards

                       Resistors: Control the flow of current in the circuit.

                      LEDs: Light up when current flows through them. Used as indicators.

                      Switches: Used to open or close circuits.

                       Wires: Connect different components on the breadboard.

                                                           exercise

                     A.  Tick ( ) the correct option.
                        1.   What is the function of sensors in a robot?

                             (i)   To store energy

                            (ii)  To control the robot’s movement
                            (iii)   To gather information from the environment

                            (iv)  To make the robot look nice

                        2.   Which part of a robot is responsible for movement?
                             (i)   Sensors                                    (ii)   Actuators

                            (iii)   Battery                                  (iv)   Microcontroller

                        3.   What is a robot?
                             (i)   A type of machine that works on code

                            (ii)   A machine that can perform tasks automatically

                            (iii)   A kind of computer game

                            (iv)   A type of plant

                        4.   What is the purpose of a resistor in a circuit?
                             (i)   To make light

                            (ii)   To control the flow of electricity

                            (iii)   To store energy

                            (iv)   To connect wires

                                                                           Introduction to Robotics and Electronics  11

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