March 2018
Beginner
744 pages
26h 5m
English
Content preview from Essentials of Computer Organization and Architecture, 5th Edition
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8.4 PROGRAMMING TOOLS
The operating system and its collection of applications provide an interface between the user who is writing the programs and the system that is running them. Other utilities, or programming tools, are necessary to carry out the more mechanical aspects of software creation. We discuss them in the sections below.
8.4.1 Assemblers and Assembly
In our layered system architecture, the level that sits directly on the operating system layer is the assembly language layer. In Chapter 4, we presented a simple, hypothetical machine architecture, which we called MARIE. The architecture is so simple, in fact, that no real machine would ever use it. For one thing, the continual need to fetch operands from memory would make ...
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