Memory (DRAM) is a component in your computer that allows for short-term data access. Since your system's moment-to-moment operations are performed using short-term data access — loading applications, browsing the Web or editing a spreadsheet — the speed and amount of memory installed plays a critical role in your system's performance.
Storage (whether in the form of a hard drive or SSD) is the component in your computer that allows for long-term data access. It's the component that accesses and stores your files, applications and operating system.
Together, memory and storage work in tandem with your system's processor to access and use data.
Here's how all three components work together.
Because of how your system accesses data, the speed of your memory and storage plays a big role in how fast your processor is able to convert data to/from the different data types and make it usable.
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