| address space The range of addresses which a processor or process can access, or at which a can be accessed. The term may refer to either or . The size of a processor's address space depends on the width of the processor's and address . Each device, such as a memory , will have its own local address space which starts at zero. This will be mapped to a range of addresses which starts at some base address in the processor's address space. Similarly, each will have its own address space, which may be all or a part of the processor's address space. In a system this may depend on where in memory the process happens to have been loaded. For a process to be able to run at any address it must consist of . Alternatively, each process may see the same local address space, with the mapping this to the process's own part of the processor's address space. (1999-11-01) |
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