Chapter 9. Input and Output of Text
Complete computer systems include components dedicated to the input and output of data. Devices for I/O connect to the central processor and memory through bus structures, as pictured in Figure 2-1. Straying momentarily, but usefully, from our core topic and the instruction set, we include in this chapter a treatment of input and output from a high-level programmer's perspective. We shall leave consideration of the physical devices (including bus protocols and timing) to books on computer organization, detailed explanation of file systems (including directories and security) to books on operating systems, and description of internal file organization (e.g., sequential or indexed) to books on data structures ...
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