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The RAM provides temporary storage for programs and processes being used by the CPU. The RAM is cleared when the PC is restarted, or the processes are finished.

RAM is sometimes referred to as simply 'Memory', 'Main Memory' or 'System Memory'.

RAM is measured in MB’s or GB’s with most new systems containing at least 2 GB of RAM.

Upgrading RAM is often an inexpensive method of improving computer performance.

As with all components RAM has appeared in many forms and specifications. This is covered in greater depth in the next unit, the RAM used in the tasks is classified as DDR3. This is probably the most common type of PC RAM, used in entry level systems at the time of writing.