There can be multiple definitions of Query in a database, however, If we go as per the definitions given above, i think most suited description is that the Query allows retrieval of information from multiple tables based on the criteria specified by the user.
The two wires are Wi-Fi antenna, which also known as access Point, it translates all data packets into EM waves, and these waves are used in data processing using the mobile device. In communication devices have a central component in their antenna, and wrong choices can be described as follows:
In option a, It is a hardware device, that's why it is wrong.
Option b and Option c both were wrong because video cable is used to connect a webcam and both are used in communication.