Fourth Signal Interview Questions and Answers

While loop executes the code block as long as the condition is true. Do while loop executes the code block at least once before checking the condition.

• While loop checks the condition before executing the code block

• Do while loop executes the code block first and then checks the condition

• While loop may not execute the code block at all if the condition is false initially

• Do while loop always executes the code block at lea...read more

A program to swap the values of two variables.

• Declare three variables, two for the values to be swapped and one as a temporary variable.

• Assign the first variable's value to the temporary variable.

• Assign the second variable's value to the first variable.

• Assign the temporary variable's value to the second variable.