Memory is used to collect data. And the program to use the next time!At present, there are many different kinds of recording media. Due to hardware technology has developed very quickly. The recording media is developing along with the smaller more capacity
.Current technology hardware technology has developed continuously and fast. The recording media is changing as well. The smaller, but the capacity to record information more and more.Data can be stored forever after we managed to shut down your computer!Secondary memory will help we can retain information to use it in the next future. The processing computer to deal with the data in main memory.Sometimes cannot collect all the information it
.So, if the user wants to collect data or the results are in the main memory for permanently to bring back again or used with the computer. .Or secondary memory (Secondary Storage) recording media of various types used with the computer system, ังนี้ knife
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