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Both short term storage of data during the quick sessions and storing the saved data that is used is mutile sessions are what the memory components are designed to do within the computer. The area for the processor to get the instructions and data it needs to get the job done is coming from the memory.

It is always better to have more memory for your computer. The more memory it has, the quicker it will be able to perform any task you give it. When buying a new computer you should always get as much memory as possible, or you may face an upgrade down the road. Computer memory is relatively cheap and the amount you need depends on the programs you like to run on your computer.

In computer, random access memory (RAM) and the cache memory are used to manage data in different sessions. Random access memory chips contain more of the addressable memory. Cache is a faster memory which stores copies of the data from the most frequently used main memory locations.

During the execution of a software program, the computer stores the data temporarily on RAM chips as RAM offers faster access to this data and helps in faster execution of the program. However, for longer term data storage, hard disks are used because when power supply to the computer is cut off, the data on the RAM is erased.

Besides hard disks and RAM, various other types of computer memory exist. For example flash memory is a type of computer memory used to carry fixed instructions, but unlike the data in read only memory, it can be quickly erased and written to in units called blocks. With the development of micro-sd memory card and the memory stick, it is possible for users to use the USB port available in computers to transfer data and images between various electronics devices.

You need to choose memory that matches the speed of your computer's motherboard. If your personal computer is slow and you are constantly closing programs to keep working in a normal manner, then you could probably do with upgrading the memory capacity of your computer.

A computer uses two kinds of memory to manage data during a session, the Random Access Memory, physical component of your computer, and the cache memory, used to store data that the processor needs immediately. If you have more computer memory available, your computer will function better, therefore it is crucial to obtain a computer with the most memory. Other type of memory available is flash memory; it has no moving parts and is quickly erased. USB memory stick and Micro-SD memory card are perfect examples of this type of memory, they allow you to easily carry and transfer data with simplicity.

- David Ross