answer:Computer scientists have made significant contributions to artificial intelligence by developing algorithms, programming languages, and software tools that enable machines to simulate human-like intelligence. They have created expert systems, genetic algorithms, artificial neural networks, natural language processing, and machine learning techniques that have revolutionized the field of AI. In addition, they have facilitated the development of robotics and autonomous systems that can perform tasks and make decisions without human intervention.

answer:This statement is generally true as electric pencil sharpeners have a mechanical motor that sharpens the pencil consistently, while manual sharpeners are subject to inconsistencies based on the user's technique.

answer:Common traditions of Irish families during Christmas include attending mass, decorating the Christmas tree, exchanging gifts, eating a Christmas dinner with turkey and ham, enjoying Christmas pudding or cake, and participating in various social events and festivities.

answer:Pre-existing conditions, cosmetic procedures, elective surgeries, injuries from illegal activities, experimental medications, and self-inflicted injuries are some common exclusions in a health insurance policy.