Can my iMac upgrade if I by more ram and storage
My specs
-The iMac G5/1.8 17-Inch (ALS) features a 1.8 GHz PowerPC 970 (G5) processor with an optimized -AltiVec "Velocity Engine" vector processing unit and a 512k on-chip level 2 cache,
-1GB of 400 MHz PC3200 DDR SDRAM,
-250 GB (7200 RPM) Serial ATA hard drive
-Vertically-mounted slot-loading 8X DVD-ROM/CD-RW "Combo" drive
-ATI Radeon 9600 graphics with 128 MB of DDR SDRAM (AGP 8X)
-Built-in stereo speakers underneath the 17" TFT Active Matrix LCD (1440x900) display
I just want to know what can I upgrade to and if so what do I need to by to get a upgrade I'm 10.4.11
iMac, Mac OS X (10.4.11)