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Computer Memory Cards are small storage devices used primarily in portable electronic devices, including computers and cameras. They offer a convenient way to expand the memory capacity of these devices without the need for internal upgrades. The cards come in various forms, such as SD (Secure Digital) cards, microSD cards, and CF (CompactFlash) cards, each with unique specifications catering to different use cases. USB drives, also known as flash drives or thumb drives, are another type of computer memory card that provides removable storage via a USB interface. They offer higher capacities compared to traditional memory cards and can be used for transferring files between computers without requiring an internet connection. Memory cards and USB drives are crucial in various applications like gaming consoles, digital cameras, drones, smartphones, tablets, and laptops. They enable users to store large media collections, run software directly from the card, or backup important data with ease. These devices offer a portable, reliable, and cost-effective solution for expanding storage on electronic devices.