Smart" Internet of Things, e.g., smartphones or smart cars, are smart because devices are equipped with sensors. [ True / False ] All smartphones and most IoTs have a small database package embedded in themselves. The embedded database package is called mySQL. [ True / False ] XCode Swift does not care about the types of data. [ True / False ] Swift is an object-oriented programming language. [True / False ] In Swift, any variables can be simply used without having to declare them first. [True / False ] In Swift, functions can receive a function as an argument. [True/False] In Swift, functions can return another function as a complete argument. [True/False] Ultrasonic distance sensor is an active sensor [ True / False ] Most sensors themselves do not send their data to another outside. In such cases, (9) _______ can be used, which has GPIO pins to wire with sensors in two pinout modes: (10) _________ mode and (11) ______ mode. Fill in the blank.

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Control structures

Control structures are block of statements that analyze the value of variables and determine the flow of execution based on those values. When a program is running, the CPU executes the code line by line. After sometime, the program reaches the point where it has to make a decision on whether it has to go to another part of the code or repeat execution of certain part of the code. These results affect the flow of the program's code and these are called control structures.

Switch Statement

The switch statement is a key feature that is used by the programmers a lot in the world of programming and coding, as well as in information technology in general. The switch statement is a selection control mechanism that allows the variable value to change the order of the individual statements in the software execution via search.