Random access memory, or RAM, is how your computer opens, reads and runs the software you use, from your operating system to PC games. RAM modules are often measured in megabytes (MB) and gigabytes (GB). When it comes to memory, 1,024 MB equals 1 GB, so 512 MB of RAM is half as much as 1 GB. What that difference means to your computer varies based on certain considerations. Writer Bio
