KB,MB,GB Which has largest space. Fully explained

      1 Bit  ---  Binary Digit
      8 Bit  ---  1KB (Kilo Byte)
1024 KB  --- 1MB (Mega Byte)
1024 MB --- 1GB (Giga Byte)
1024 GB --- 1TB (Terra Byte)
1024 TB --- 1PB (Peta Byte)
1024 PB --- 1EB (Exa Byte)
1024 EB --- 1ZB (Zetta Byte)
1024 ZB --- 1YB (Yolta Byte)
1024 YB --- 1BB (Bronto Byte)
1024 BB --- 1 (Geop Byte)

 Currently 1 Geop Byte is the largest memory storage. But in future may be more storage will available.