Review: Flowcharts, Pseudocode, Logic Gates, C++ for Arduino

Which of the following is a correct way to declare an integer variable in C++ for Arduino?

• `int number;`

• `integer number;`

• `var number;`

• `num number;`

What does the symbol of a rectangle represent in a flowchart?

• Decision

• Process

• Input/Output

• Start/End

In pseudocode, how would you represent a loop that runs 10 times?

• `FOR i = 1 TO 10`

• `WHILE i < 10`

• `REPEAT 10 TIMES`

• `LOOP 10`

Which logic gate outputs true only when both inputs are true?

• OR

• AND

• NOT

• XOR

What is the purpose of the `setup()` function in an Arduino sketch?

• To initialize variables and pin modes

• To run the main loop of the program

• To handle errors

• To upload the code to the Arduino

Which of the following is a common method for debugging Arduino code?

• Using a debugger tool

• Printing messages to the Serial Monitor

• Running the code in a simulator

• Using breakpoints

What does the diamond shape represent in a flowchart?

• Process

• Input/Output

• Decision

• Connector

In pseudocode, how would you represent an if-else statement?

• `IF condition THEN action ELSE alternative`

• `IF condition DO action OTHERWISE alternative`

• `WHEN condition THEN action ELSE alternative`

• `IF condition THEN action OR alternative`

Which logic gate outputs true when at least one input is true?

• AND

• OR

• NOT

• NAND

What is the role of the `loop()` function in an Arduino sketch?

• To initialize the Arduino board

• To run code continuously after `setup()`

• To upload the code to the Arduino

• To handle errors