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To design a flowchart for inputting two numbers and swapping their values, start with a terminal symbol indicating the start. Next, use input/output symbols to prompt the user to enter the two numbers, labeling them as A and B. Then, employ a process symbol to perform the swap, which can be done using a temporary variable, such as: temp = A; A = B; B = temp. Finally, use another input/output symbol to display the swapped values of A and B, and end the flowchart with a terminal symbol.
To draw a flowchart to check if a number is a perfect square, you would start with a start/end symbol. Then, you would input the number to be checked. Next, you would use a decision symbol with a condition to check if the square root of the number is an integer. If it is, the flowchart would output that the number is a perfect square; if not, it would output that the number is not a perfect square. Finally, you would end the flowchart.
Paper and pencil, A flowchart symbol template helps but is not required.
To create a flowchart to print odd numbers from 1 to 10, you would start with a terminal or start/end symbol. Then, you would use a process symbol to initialize a variable to 1. Next, you would use a decision symbol to check if the variable is less than or equal to 10. If it is, you would use another decision symbol to check if the variable is odd. If it is odd, you would use an output symbol to print the number. Finally, you would use a process symbol to increment the variable by 2 and loop back to the decision symbol to continue the process until the variable reaches 10.