Cognitive computers, also known as cognitive systems, are computer systems designed to simulate human thought processes, such as learning and problem-solving. In recent years, there has been a growing interest in cognitive computing, with businesses and organizations using these systems to gain insights into complex data and improve decision-making. Some synonyms for cognitive computer include artificial intelligence (AI), machine learning, and deep learning. Other related terms include natural language processing, neural networks, and expert systems. As technology continues to evolve, the field of cognitive computing is likely to expand and take on new forms, with continued research and development into advanced algorithms and data analytics.