The first widely-used commercial form of Artificial Intelligence (Al) is being used in many popular products like microwave ovens, automobiles and plug in circuit boards for desktop PCs. It allows machines to handle vague information with a deftness that mimics human intuition. What is the name of this AI?

• A. Boolean logic
• B. Human logic
• C. Functional logic
• D. Fuzzy logic
• E. None of these

Answer: (D)