随 着科技的进步和电子技术的发展 ,如今电脑已广泛应用于各行各业 ,并已进入了寻常百姓家。电脑在国民经济各行各业、各个领域发挥了巨大的作用 ,推动了经济的快速发展。电脑又在人们的日常工作和生活中 ,在医疗保健、安全防范、提高人们的生活质量等方面 ,替代了许多人们过去 With the progress of science and technology and the development of electronic technology, computers are now widely used in all walks of life and have entered the homes of ordinary people. In all walks of life in the national economy, computers have played a huge role in various fields and promoted the rapid economic development. In the daily work and life of people, computers have replaced many people’s past in terms of health care, safety precautions and improvement of people’s living standards