In the early 1950s, while at the Massachusetts Institute of Technology (MIT), he pioneered "time-sharing", by which multiple users could work on a single mainframe simultaneously.
20世纪50年代早期在麻省理工学院，Mc Carthy首倡分时系统，通过这一系统多重用户可以在同一台大型机上同时工作。
When distribution technology is used in it, aspects as dispersedness in space, parallelizability in time and data sharing are considered.
当其与分布式技术结合起来之后，更需要考虑空间离散化、时间并行化和数据共享等方面的问题。
Most of inputs of PLC use time-sharing multiplexing technology and outputs use matrix outputs, which greatly reduce I/O points.
LC大部分输入采用分时复用技术，输出采用矩阵输出的方法，大大减少了I/O点数。
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