yes ovbiously
There are many different amounts of memory that a person can store on an external USB hard drive. Generally, the largest out there is the 2 TB hard drive.
Games? no. only save data.
Yes, you can. Download an app from the playstore which can transfer app files to external memory. But keep in mind, all apps cannot be transferred.
The DSi XL does not need (and cannot have) a RAM upgrade. It has a small amount of internal storage space. If you want to take a lot of photographs, store MP3's or download DSi store games, you will also need an SD memory card for it.
Program Store Enable: The read strobe to external program memory.
An memory storage device that is literary on the outside of the computer case; such as a flash drive, CD, DVD, or external/portable hard drive.
Computer memory is categorized into primary and secondary memory. While primary memory is the main memory of the computer which is used to store data or information temporarily, whereas secondary memory refers to external storage devices that are used to store data or information permanently.
It is to store your save files, channels and Virtual Console games.
The Sony PlayStation 2 (PS2) itself does not have built-in storage; instead, it uses external memory cards for game saves. Each memory card can store up to 8 MB of data, and players can use multiple cards to increase their total storage capacity. Some games require more space than others, but the maximum practical storage is limited by the number of memory cards a user chooses to utilize.
At a store
Well, it is possible-with a USB flash stick or a UBS memory card reader. Incase of Laptops they come embedded with memory card readers. For older CPU's external memory card readers are available at any store.
Secondary memory is often referred to as external memory because it is not directly accessible by the CPU and is typically located outside the primary storage (RAM). This type of memory includes devices like hard drives, solid-state drives, and USB drives, which store data persistently even when the power is off. Unlike primary memory, which is fast and temporary, secondary memory offers larger storage capacity and retains data long-term. Thus, it serves as an external repository for data and applications that the CPU can access as needed.