Memory Address - Addressing Schemes

Addressing Schemes

A computer program can access an address given explicitly – in low-level programming this is usually called an absolute address, or sometimes a specific address, and is known as pointer data type in higher-level languages. But a program can also use relative address which specifies a location in relation to somewhere else (the base address). There are many more indirect addressing modes.

Mapping logical addresses to physical and virtual memory also adds several levels of indirection; see below.

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