Memory « Paul Nicholls

21May/080

Managing Your Memory

Another key role of the Operating System is to manage memory resources, there are two separate conceptual levels of memory. Firstly, physical memory - this is what the operating system sees, and it relates directly to your actual physical hardware. Secondly, there is virtual memory, which is what a programmer will see when developing an application to run within an operating system. Virtual memory is viewed as limitless, and is not dependent on the physical memory available - so applications can be programmed to run on systems with different physical memory capabilities.

Tagged as: CSYS, Memory, Operating Systems Continue reading

18May/082

Computer Architecture

The function of a computer is to carry out instructions, this occurs within the Central Processing Unit in loop known as a the Fetch-Execute Cycle.

Tagged as: CSYS, Machine Architecture, Memory Continue reading

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