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<p><a class="glightbox" href="../ram_and_cache.assets/storage_pyramid.png" data-type="image" data-width="100%" data-height="auto" data-desc-position="bottom"><img alt="Computer storage system" class="animation-figure" src="../ram_and_cache.assets/storage_pyramid.png" /></a></p>
<p align="center"> Figure 4-9 &nbsp; Computer storage system </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<div class="admonition tip">
<p class="admonition-title">Tip</p>
<p>The storage hierarchy of computers reflects a delicate balance between speed, capacity, and cost. In fact, this kind of trade-off is common in all industrial fields, requiring us to find the best balance between different advantages and limitations.</p>
</div>
<p>Overall, <strong>hard disks are used for long-term storage of large amounts of data, memory is used for temporary storage of data being processed during program execution, and cache is used to store frequently accessed data and instructions</strong> to improve program execution efficiency. Together, they ensure the efficient operation of computer systems.</p>