computer repair, pc repair, computer support, pc support

Microsoft Windows Vista is the current version of Microsoft's Windows operating system series. Windows Vista Business and Enterprise Editions replaced Windows XP Professional Edition in November 2006 and Vista Home Basic/Premium replaced XP Home Edition in January 2007.

The most noticeable change from Windows XP to Vista is a significantly redesigned user interface called Aero, which stands for "authentic, energetic, reflective and open." While Windows Vista shares many similarities with Windows XP, it is a completely different operating system. This is evident in all levels of the user experience including the appearance and functionality of the GUI's, the way workflows are handled, the way the system is configured, and in the stability and security features.

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computer repair, pc repair, computer support, pc support

Random access memory (RAM) is the best known form of computer memory. RAM is considered "random access" because you can access any memory cell directly if you know the row and column that intersect at that cell.

Types of RAM

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computer repair, pc repair, computer support, pc support

Cache memory is random access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. As the microprocessor processes data, it looks first in the cache memory and if it finds the data there (from a previous reading of data), it does not have to do the more time-consuming reading of data from larger memory. Cache memory is sometimes described in levels of closeness and accessibility to the microprocessor. An L1 cache is on the same chip as the microprocessor. (For example, the PowerPC 601 processor has a 32 kilobyte level-1 cache built into its chip.) L2 is usually a separate static RAM (SRAM) chip. The main RAM is usually a dynamic RAM (DRAM) chip.

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