COBOL语言 标准化一种语言,使人们能用该语言在任何机器上编写程序,同时任何懂这种语言的人都能读懂这些程序。Cobol语言正是这样的一种尝试。事实上,它是世界商业应用中使用最广泛的语言。目前约有170亿种产品在使用中。 早期的计算机编程是很困难的。最早的计算机采用接线绳,编程困难且费时。插线板——一种可交换的大的硬件片,使人们能够很容易地改 The COBOL language standardizes a language that allows people to write programs on any machine in that language, and anyone who understands it understands these programs. Cobol is just one such attempt. In fact, it is the most widely used language in business world applications. There are about 17 billion products currently in use. Early computer programming was difficult. The earliest computers used wiring cords, programming was difficult and time-consuming. Patch Panel - A large piece of hardware that can be swapped so that people can easily change it