What are the main uses of microprocessors

Microprocessor Technology pp 61-144 | Cite as

Part of the Springer textbook book series (SLB)


Chapter 1 focused on an introduction to the structure, operation and assembly language programming of computer systems and presented a simplified CISC processor with 16-bit processing width and a simple RISC processor with 32-bit processing width. Today's high-performance CISC and RISC processors are usually designed as 32-bit processors, but are much more complex than the RISC from Chapter 1. This is due, on the one hand, to a high degree of parallelism in processing, which can be found in assembly line structures and Expresses the number and organization of functional units working in parallel. In connection with this, these processors can also be clocked very high. On the other hand, this is due to the processor-external and processor-internal wider data and possibly address paths of mostly 64 bits. The former enable a higher transmission capacity ("bus bandwidth") for the transport of commands and data using processor-internal caches. The latter make it possible to provide larger addresses and thus to be able to expand the directly addressable address space beyond the otherwise existing limitation of 4 G addresses.

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© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  1. 1.Institute for Technical Computer ScienceTechnical University BerlinBerlinGermany