System Memory Optimization Methods
The memory in the system is a place where the computer preserves the programmers and the data that are currently used. The levels of computer memory vary with the particular objective of the operation of the system. Among them, some are ROM, RAM, cache, page and graphics. The technology plays a vital role on the performance of the memory of the computer.
Even though the memory is utilized in various types in the region of the modern systems of computers, it can be classified into two important types. They are RAM and ROM. The expansion of ROM is Read Only Memory. It is comparatively small but very important for the working of a computer. ROM can always be seen at the mother boards. But, with the recent improvement in the technology, it can also been seen on the graphic cards and also in some of the expansion cards and the peripherals. There will not be change in the ROM. The basic instruction is formed with the ROM which enables the operation of the hardware in the system and also retains the data in tact inside the system even if the system is switched off. There is a possibility of updating the RAM which is done only on necessity and very rarely. The major fact is that the computer will not run if the ROM is damaged or if it is not working.
The other type of memory is called as RAM and its expansion is Random Access Memory. This is impulsive. It will hold the memory only when the system is on or only on the availability of power. RAM is not stable and it changes constantly as per the operation of the system and gives the provision for storing all the required data by the software and the operating system. Due to the increased demands by the dominant software and the operating systems, the requirement of RAM has considerably accelerated over the period. To quote an example, earlier the requirement of the computers was restricted to a minimum of 128 Mb whereas the same is now increased to 2GB with the advance in technology and the programmes.
It is very visible that the modern computers have been appreciably loaded with more memory when compared to the PC’s introduced earlier. This impact leads to the development of the architecture in the computers. The main drawback is storage and retrieval of data from the huge block of memory which consumes more time when compared to do the same function from a small block. With a huge amount of memory, the dissimilarity in time stuck between the register access and the memory access is very huge and that has resulted in the additional layers of cache in the storage chain of command.
When the memory is accessed, an immense agreement from RAM will be demanded by the fast processor. In the worst case, the clock cycles may be wasted by the CPU during the waiting period for retrieving the data.
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