本文研究并设计了一种新的接口电路，使PC- 1500计算机能够与软磁盘机配接、并能通过键盘编制注解文件。
A new interface circuit is researched and designed by the author it can be connected with PC-1500 computer and floppy disk machine.
文件编制，文档资料，文本：对描写计算机程序的结构、目的、操作、维修及数据要求等记录的结构化集合。
Computer Science the organized collection of records that describe the structure, purpose, operation, maintenance, and data requirements for a computer program.
文件编制，文档资料，文本对描写计算机程序的。
The organized collection of records that describe the structure, purpose, operation, maintenance, and data requirements for a computer program.
文件编制，文档资料，文本对描写计算机程序的。
The organized collection of records that describe the structure, purpose, operation, maintenance, and data requirements for a computer program.
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