2. 职称英语
  3. Generally, a computer is any device that can perform numerical calculations.

Generally, a computer is any device that can perform numerical calculations.

游客2025-04-21  30
问题     Generally, a computer is any device that can perform numerical calculations. Currently,【C1】______, the term usually refers【C2】______an electronic device that can【C3】______a series of tasks according to a set of instructions.
    In 1953 there were only about 100 computers【C4】______use in the world. Today hundreds of millions of computers are【C5】______in homes, schools, businesses, government offices, and universities for almost every conceivable【C6】______.
    Modern desktop【C7】______computers, or PCs, are many times more powerful than the huge, million dollar【C8】______computers of the 1960s and 1970s. Most PCs can perform from 400 million to several billion operations per second. These computers are used not【C9】______for household management and personal entertainment, but also for most of the automate【C10】______require by small business. The fastest desktop computers are called workstations, and they are generally used for scientific, engineering, or advanced business application. [br] 【C3】
选项
答案 perform
解析 本题空格处讲的是这种电子设备可以根据一组指令来执行一系列的任务。perform意为“履行，执行，表演，演出”。
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