The PS3 slim has 2 models one with 120GB harddrive and the other with a 250GB harddrive
You will need a memory card inside it to store any data - the PSP's internal memory is only for its own firmware and internal settings. Note that 'SD cards' are not compatible with PSPs, you need 'Memory Stick' brand memory cards, which are a slightly different size.
No you don't, but you can't save you're progress, unlike some other systems, Xbox 360 has no internal memory, a memory card or hard drive is what you need to save you're progress! The PS3 has internal memory, I recommend that you use one
The SONY PSP doesn't necessarily need a Memory Card to function. And by function i mean to play a game or use the Internet but up to now SONY PSP's are sold with no internal memory which means if you want to have Pictures, Videos, Music, and save game data you need to have a memory card. So basically you need the memory card if you want to use the PSP to its intended use.
The camera has about 50MB of internal memory and accepts SD/SDHC memory media
Only the 2nd gen PSVita slim has internal memory, 1GB.
Yes. The PSP's own internal flash memory is to store system settings like the clock, and personal preferences. To save game data, you need a Max Duo memory card.
If you just have gotten the PS Vita you probably need more games for that and the PS3 games can often be found at reduced prices.
Most digital camera's on the market nowadays need a internal memory card. These may come in various forms like compact flash, SD cards, Memory sticks, etc. You will need to find the brand and model to help you find out what kind of memory card you will need. Most digital camera's will tell you what kind of memory card it takes where you insert it on the camera. The store where you bought your camera from should carry memory cards and/or they should be able to advise you in what kind to get. These memory cards can be purchase online or at many electronic or department stores. Depending on your camera's mega-pixels you may need a larger memory card to hold more photos.
No it dosent need a memory card
This will depend on your camera. If your camera has an internal memory card, you will need a cord to connect your camera to your computer's USB port. If your camera has a removable memory card, simply plug that into your computer, or into a memory card adapter if needed.
Only when you have filled up the DSi's 256mb internal memory
It has a small amount of internal memory, but you need a memory stick before you can save games.