Studies on the Hardware Read-Write Program's Availability in TMIS

Given that the data in TMIS can hardly be interactively visited by the use of the third-party software for the present time,the paper puts forward the idea of realizing data read-write by means of hardware so that such problems as a lack of data in developing a software and the database's consistency with operating system interface can be avoided. The paper discusses the realization process of the hardware read-write program and illustrates the hardware circuit and realization process of procuring data based upon the parallel bus line and modeling keyboard input through PS/2.