Question: Which of the following best summarizes the passage\'s conclusion about digital sum? (2023)

Options:

1. Digital sum is a complex concept that few understand.
2. The relevance of digital sum will diminish in the future.
3. Digital sum remains a fundamental concept in technology.
4. There are better alternatives to digital sum in mathematics.

Correct Answer: Digital sum remains a fundamental concept in technology.

Exam Year: 2023

Solution:

The conclusion of the passage asserts that digital sum continues to be a fundamental concept in the field of technology.