It means your laptop can hold 40 gigibytes of memory or 40000 megabytes or 40000000 bytes of memory 40 gb is a decent amount
The iPod gigabyte capacities available are 16, 32, and 64. The 32GB, which is closest to the 40GB you mention, will provide 8 hours of video playback.
The 40GB system has not been new for some time, see timeline in related link.
Yes.
A 40GB MP3 Player is an excellent place to store your entire music collection. 40GB would allow for a huge amount of storage. You would even have enougth storage for photo's and books.
no
it cost $400.
What do you mean pretend laptop?
No it can not
Yes.
Yes. Yes it is.
40 gigabytes
About 20 us dollars.