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Memory

Memory refers to the amount of storage you have in your computer. We'll explore topics like RAM, caching and virtual memory.

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What is the difference between static RAM and dynamic RAM?

Your computer probably uses both static RAM and dynamic RAM at the same time, but it uses them for different reasons because of the cost difference between the two types. See what these types of RAM do in your computer.


How Secure Digital Memory Cards Work

Secure Digital cards are versatile, easy to use, and found in all kinds of portable electronics. How do secure digital memory cards hold so much information? See more »

Computer Memory Pictures

The computer memory pictures at HowStuffWorks explore flash, RAM, ROM and more. Learn about the types of computer memory with computer memory pictures. See more »

What is virtual memory?

I keep hearing about "virtual memory" in computers. What is that? How can memory be "virtual"? See more »

How Removable Storage Works

Removable memory has unchained us from our PCs -- we can now carry gigabytes of data wherever we go, in a device the size of a matchbox. Learn about the three major digital storage technologies. See more »

How Holographic Memory Will Work

We're talking Star Wars-level futuristic here: Holographic memory could potentially store terabytes of data in a 1-centimeter cube. Learn how tomorrow's ultra-high-capacity computer memory will work! See more »

How BIOS Works

The basic input-output system (BIOS) is the first thing you see when you turn on your computer. Learn all about BIOS. See more »

How Flash Memory Works

Flash memory is a compact, flexible type of storage. Learn about types of flash memory, removable flash memory and uses of flash memory. See more »

How ROM Works

Read-only memory is essential to your computer. You'll also find ROM in video games, cell phones and microwaves. Learn about the different types of ROM and how they're used. See more »

How Virtual Memory Works

Virtual memory provides a big benefit to users at a very low cost. Learn about virtual memory, how your computer uses virtual memory and how to configure virtual memory. See more »

How RAM Works

RAM is the best known form of computer memory and easy to upgrade. Learn how RAM works, what kind of RAM to buy, and how to install it. See more »