Which term describes adding up numbers?

Which term describes adding up numbers?

• A. String
• B. Selection
• C. Totalling
• D. Counting

Answer: (C)

Adding up numbers is called totalling. In algorithms, totalling means computing the sum by maintaining a running total and adding each value to it as you go through the data. For example, you start with total = 0 and update it with total = total + number for every number you encounter. Counting, by contrast, is about determining how many items there are by increasing a counter by 1 for each item, not summing their values. The other terms don’t describe this arithmetic action: a string is text data, and selection is a branching decision, not a numeric sum. Totalling is the right term because it captures the process of combining numbers to produce their total.

Adding up numbers is called totalling. In algorithms, totalling means computing the sum by maintaining a running total and adding each value to it as you go through the data. For example, you start with total = 0 and update it with total = total + number for every number you encounter. Counting, by contrast, is about determining how many items there are by increasing a counter by 1 for each item, not summing their values. The other terms don’t describe this arithmetic action: a string is text data, and selection is a branching decision, not a numeric sum. Totalling is the right term because it captures the process of combining numbers to produce their total.