Apple gives the requirement for the current version of Mac OS X (10.6 Snow Leopard) as 1GB of RAM.
Snow Leopard requires 1GB minimum of RAM. For generally smooth operation, you'll want to go with 2GB. For a more robust setup, go with 4GB or higher.
Snow Leopard requires 1GB minimum of RAM. For generally smooth operation, you'll want to go with 2GB. For a more robust setup, go with 4GB or higher. 256 MB
375 MB
Windows Vista will run on a computer with a minimum of 512 MB of RAM
two
Depending on which version of Windows, or Mac you use it can be between 1 and 2 GB of RAM needed For Windows 7 it is usually 1 GB of RAM, and if you use Mac then you will need 2 GB
To run windows XP and Mac OSX they recommend a minimum of 128MB of RAM. However for optimal performance they recommend 256MD for windows XP and 512MB for Mac OSX
Any amount will be fine in Windows and Mac. However, with lower amounts of RAM, you may need to run older versions of Opera.
In order to run Photoshop CS4 on a PC here are the minimum requirements: 1.8GHz processor, Microsoft Windows XP, 512MB of RAM, 1GB of hard disk space. For a Mac, the minimum requirements are: PowerPC G5, Mac OS X v10.4, 512MB of RAM, 2 GB of hard disk space.
To use windows aero in vista operating system 512 mb of ram is required
You need at least 1 GB of RAM to play the X-Men Origins Wolverine game.
128MB of ram
It depends on the version of Photoshop. For Photoshop CS4 it's 512MB of RAM (1GB recommended) Refer to http://www.adobe.com/products/photoshop/photoshop/systemreqs/?promoid=DRHXB