Dell Inspiron 20 (3048, Early 2014) - Manual (Page 33)

Memory Module
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Memory Module
A memory module stores temporary data that your computer needs to
perform tasks. Any file or application loads in the memory modules before
you can open or use them. Memory modules are categorized based on
their capacity (in GB) and speed (in MHz). Faster and higher amount of
memory generally provides better performance. Common memory-module
types are:
• Dual In-line Memory Module (DIMM) — Used in desktop computers.
• Small Outline Dual In-line Memory Module (SODIMM) — Smaller in size
than DIMMs. Generally used in laptop computers, however, may also be
used in some compact desktops and all-in-one computers.