It depends if these multiple devices use the exact same memory card type.
A PC card is used to connect peripheral devices to a notebook computer.
Yes it is , it's a kind of memory card used for mobile phones and any other devices. usually has a size from 128 mb to 4G
A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices.
The Memory card are devices that store digital data. Memory cards are used in various electronic devices from hand held computers, mobile phones, cameras, etcetera. Memory cards are rewritable. They are quite small in size, they can store a high amount of data
A memory card is a removable data storage medium. They are frequently used in a device to store non essential data - a PSP's internal settings and firmware are stored on chips inside the console, but any saved games, music and such will be stored on the memory card. A 'Memory Stick' is a brand name for the memory cards used by Sony devices.
The Lexar "Compact Flash" brand is a type of memory card. The card is used to store and transfer files for use with computers and other digital devices.
RAM and ROM
72-pin SO-DIMMs, 144-pin SO-DIMMs, 160-pin SO-RIMMs and credit card memory
An SD card is an SD card pretty much, a card containing flash memory. Therefore it doesn't really make sense to say one is 'just' for a camera, since it could be used in other devices too if it will fit. The only thing to look out for is higher capacity cards might only work in newer devices due to different technology involved.
If it uses the same type.
Just form factor. microSDs are much smaller than a standard SD card. microSD cards are typically used for small and mobile devices whereas standard-sized SD cards can be used for laptops and specialty cases like digital SLR cameras.