You may be able to add more RAM if you have 1 or more empty expansion slots.
yes!
yes!
That depends on how many slots you have and if they are all filled or not.
In general laptops are not easy to upgrade. You MAY be able to add more RAM, but some laptops are sold with the maximum RAM they can handle already installed. You probably cannot upgrade the CPU, but you can't necessarily upgrade the CPU in a desktop without replacing the motherboard.The only upgrade that you can almost certainly make is to increase the size of the hard drive.
Adding RAM (Random Access Memory) depends on how many RAM Slots your computer has. If you have an empty slot or can upgrade RAM in existing slots, yes you can upgrade your RAM.
Add more RAM?...?
See, an RAM upgrade will give you the power to run more programs without any lag. If your current computer runs without hanging and you just want a speed boost then you may consider an upgrade in the processor. I recommend you to see Intel i3-3200 processor. It is much better then core2duo and not very expensive.
It depends on what type of RAM
YesYes
Depends, get ddr3 1333mhz.
One may go to the following sites to purchase a RAM upgrade for a Mac: Maclife, Mac.tutsplus, Crucial, Apple, Newegg, TigerDirect, etc. These are some places to buy a RAM upgrade for a Mac.
You cannot upgrade the RAM on your iPod Touch. The RAM on your iPod Touch is permanent, and if you want it faster, you must buy the newest generation of the iPod Touch.