Which statement best describes a perceptive system?

• A. Machines possessing a visual and/or aural perceptual ability that affects their physical behavior
• B. A system for automated payroll processing
• C. A database optimization technique
• D. A text processing utility

Answer: (A)

Perceptive systems are those that sense the surrounding environment and use that information to guide their actions. The statement describes machines with visual and/or aural perceptual abilities that influence their physical behavior, which is exactly what perception-enabled systems do—they observe (see/hear) and then adjust how they move or act in response. This is different from tasks like payroll processing, database optimization, or text processing, which involve handling data or performing computations without sensing the world and altering behavior based on that input. An example is a robot that uses cameras and microphones to detect obstacles or sounds and then changes its path accordingly.