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一自从本世纪40年代第一台计算机在美国宾夕法尼亚诞生以来,随着科学技术的发展,计算机的应用越来越广泛,几乎遍及国民经济、文化教育和家庭、个人日常事务管理等各个领域。计算机的需求量大幅度提高,世界计算机市场景象繁荣。1989年世界信息技术业总销售额高达2560亿美元。1990年世界最大100家信息技术公司的营业收入比上一年增长8.9%,高于1989年的增长率5.3%,达2785亿美元。在过去5年中,100家最大公司的营业收入增长了1000亿美元,1986～1990年增长率达12.5%。美国是计算机的发明国,既是世界最大的计算机产地,又是世界最大的计算机市场,在计算机产业中具有传统优
Since the birth of the first computer in the United States in Pennsylvania in the 1940s, with the development of science and technology, the use of computers has become more and more widespread, covering almost every area such as the national economy, cultural education and family, personal daily affairs management. The demand for computers has greatly increased, and the world computer market is booming. In 1989, the total sales of the world’s information technology industry reached 256 billion U.S. dollars. In 1990, the operating income of the world’s 100 largest information technology companies increased by 8.9% from the previous year, which was higher than the 5.3% growth rate in 1989, reaching US$ 278.5 billion. In the past five years, the operating income of the 100 largest companies has increased by US$100 billion, with a growth rate of 12.5% from 1986 to 1990. The United States is the inventor of computers, and it is the world’s largest computer production base and the largest computer market in the world, with traditional advantages in the computer industry.