Method of interfacing peripheral devices with a central processo

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G06F 300, G06F 500, G06F 700

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045920125

ABSTRACT:
A method of interfacing peripheral digital information gathering devices with a computer includes the positioning of an interface module with each peripheral device and obtaining information therefrom in series of N-bit words. Thereafter each such series of words is stored in the interface modules. Thereafter, words in the interface modules to be disregarded are electronically masked, and the output of non-masked words are stored in a memory. The memory is provided with a not-empty indicator adapted to block further input from the peripheral when the memory has words in storage. Thereupon, communication of the non-disregarded memory words occurs to the computer. The method also includes the usage of parallel-to-serial converters within each interface module to thus enable parallel data generated by the peripheral to be received in memory as serial data.

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