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Tech | Computer | 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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How ROM Works

Read-only memory is not only essential to your computer, but is also used in everything from video games to microwaves. Learn about the different types of ROM and how they're used.


How Secure Digital Memory Cards Work

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 »

SD Memory Card Quiz

SD Memory Card Quiz

SD memory cards are small and reliable, perfect for digital cameras and smartphones. Test your knowledge of this technology with the SD memory card quiz. See more »

Computer Memory Pictures

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 »

Tech Talk: RAM Quiz

Tech Talk: RAM Quiz

With the RAM Quiz on HowStuffWorks, see how much you know about this type of computer memory. Explore RAM technology and applications with the RAM Quiz. See more »

Tech Talk: Computer Memory Quiz

Tech Talk: Computer Memory Quiz

Test your knowledge with the HowStuffWorks Computer Memory Quiz. Learn about RAM, ROM, BIOS, virtual memory and more with the Computer Memory Quiz. See more »

What is virtual memory?

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

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

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

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

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 »