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Why cant i access all of the memory on my usb

Last response: in Mobile Computing
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October 7, 2011 7:42:33 PM

Hello,
I have three 2gb usb's I all of them say that I have used 1.8gb so I only have around 200megabytes left on them all. How can I make it so I have all 2gb back in full use again?

More about : access memory usb

October 12, 2011 8:33:25 AM

just format the memorycards.it may be because thee is some hidden files in it:-)
a b } Memory
October 12, 2011 12:37:34 PM

You can't. The 2 gigabyte they sell you is 2,000,000,000 byte (1000 byte to a kilobyte, 1000 kilobyte to a megabyte and 1000 megabyte to a gigabite) where in fact 2 gigabyte should be 2,147,483,648 byte (1024 byte to a kilobyte, 1024 kilobyte to a megabyte and 1024 megabyte to a gigabite). So when you devide 2,000,000,000 by 1024 three times to get the number of gigabyte, you end up with 1.8626 gigabyte.

However, to avoid confusion, now kilo, mega and giga refers to multiplication of 1000 times (to stick to IS decimal convention) and kibi, mebi and gibi refers to multiplication of 1024 times. So in fact, the company is right to sell you that 2 gigabyte drive, which should be correctly called 1.8626 gibibyte. The computer is just not making a distinction between gigabyte and gibibyte.
October 20, 2011 3:28:20 PM

ya,i have'nt seen any "2gb" memory card with full 2gb capacity.and my 4gb memory can only hold 3.7 gb:-)
!