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Drawback of no abstraction Problem is that both programs reference absolute pnysical memory People hope that they can have a private space, that is addresses local to it BM360 a Modify the second program on the fly as it loaded it into memory a static re|ocatⅰon When a program is loaded into 16384, then the constant is added to every address Slow down loading needs extra information No abstraction memory still used in embedded and smart systemsDrawback of no abstraction ◼ Problem is that both programs reference absolute physical memory ◼ People hope that they can have a private space, that is, addresses local to it ◼ IBM 360 ❑ Modify the second program on the fly as it loaded it into memory ❑ Static relocation ◼ When a program is loaded into 16384, then the constant is added to every address ◼ Slow down loading, needs extra information ◼ No abstraction memory still used in embedded and smart systems
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