if you want to carry work from 1 computer to another computer then yes
u need a memory stick
it saves stuff that you really need if there is no room on your computer
really any size. I highly suggest getting at least 2GB stick. I
You do not need to have a Memory Stick inserted to play games if you have UMDs.
No but you do need a memory stick
By the tone of your question what has happened is the memory stick is full. You will need to download the pictures stored on the memory stick that you do want to keep to a computer and erase the rest. This will give you more space on the memory stick. You may also need to check how memory is still on the memory stick every week so that you only keep the pictures you need and the memory stick is empty ready for the next 'roll of shots'
No
no no
A 'magic memory stick' is a specially prepared memory card, and a Pandora's battery. Either way, you need the new firmware on a memory card.
You need a memory stick inside a PSP to be able to download things.
no you just need to be in range of a wifi spot. but a memory stick can save your games and you can play where you left off in the game with out the game in it.
PSPHas No Memory but it's settings and apps, Need a Memory Stick, 1Gb Or 2Gb.PS2Has 8 Mb(memory stick) XboxHas 600mbXbox360Has 15gbXbox 360 EliteHas 60gb or morePS3Has over 50gbPS3 Elitehas over 60gb