The computer totals up the amount of memory installed, so it has a total of 4gb spread over 2 memory sticks, which makes each RAM card 2gb.
Eject it from the computer. After you eject the iPod 'drive' from the computer, it should no longer say 'Do Not Disconnect'.
Pro memory modules come in 64MB, 128MG, 256MB, 512MB, 1GB, 2 GB, 4GB, 8GB, and 16GB capacities.
There are many different types of memory modules, a more specific question is needed to supply a decent answer. Also the amount of memory in a normal home computer has a limit of between 2 and 4Gb
Try reformatting it.
About 4GB
It depends which MacBook model you are asking about. The original MacBook CoreDuo was limited to 2 GB total RAM with two 1GB modules. The plastic MacBook models from 2007 to 2009 could take two 2GB modules, although the earlier models could only utilize 3.0 GB of the total. SantaRosa chipset models and later could recognize 4 GB. The Aluminum MacBook can take 4GB DDR3 modules. The latest MacBook Pro models can take 8GB modules. "For a macbook, the highest RAM you can insert into the computer is only 4GB, and this is with using both slots that are available. You will need 2GB of RAM for each slot. Even though it is not a lot, this is still enough additional RAM you will need for your macbook."
No. The chipset itself is limited to 4 GB. There's simply no way around it. 8 GB of RAM would be overkill for such an old computer anyway; it won't get you any faster performance.
There is only one use for a 4gb flash drive. They are used to save images, documents, video clips or sound clips and to transfer them to another computer.
A computer of 4GB RAM, dual core and 2.4GHz processor is the best for playing minecraft.
if you mean 4gb, they are $80 at Apple.com
Connect it directly to your computer or a powered hub with the supplied USB cable.
For a gaming computer you will need at least 4GB of RAM. Most people average 6GB for their gaming computers.