If you mean physically - the computer is missing, or there is a space inside where the hard-drive once was.
it could be cause you haven't got a big hard-rive for the game
a portable hard drive is a way to get extra storage for a computer it is usually plugged in via mini usb to usb chord.
Im not sure if it is called internal or external
yes you can. it comes with a memory card, but if you want a hard drive, you can buy one.
a computer is the some of its parts and if you move over the hard rive then every thing you've ever seen on your desktop/web history/downloads/stuff you do not want your girlfriend seeing will be there.
a computer with a hard drive big then 156mb
your hard drive is not big enough i can not do it for my daughter
Hard drives can make a big difference in computer performance. Consider a solid-state drive if you need quick drive access.
Your computer will have more issues when you hard rive is near full as it uses something called virtual memory. This memory is really hard drive space that the systems uses like CPU memory. The computer will be spending more time looking around your drive and finding space then doing work you want. Two ways to cure this is to get a larger drive or more memory.
missouri rive
the mississippi rive, the appalachian mountains