Technical Ramblings

Tag: CSYS

Managing Your Memory

May 21, 2008 r9paul

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 […]

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Comsci Notes CSYS, Memory, Operating Systems1 Comment on Managing Your Memory

Computer Architecture

May 18, 2008 r9paul

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.

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Comsci Notes CSYS, Machine Architecture, Memory2 Comments on Computer Architecture

Binary Arithmetic

May 17, 2008 r9paul

We can apply the normal rules of arithmetic to binary, just as we can to any other number system – and the only time this can get a little complicated is when considering binary subtraction – or negative binary since strictly the negative sign should not be used.

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Number Bases

May 17, 2008 r9paul

We are used to working with the concept that there are 10 unique numerical digits, 0 to 9, however due to the boolean nature of logic circuits, computers tend to operate using just the digits 0 and 1, the binary number system.

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Comsci Notes Binary, CSYS, Hexadecimal, Machine ArchitectureLeave a Comment on Number Bases

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