COMPUTER FUNDAMENTALS

Detailed explanation-1: -SD Cards. Like USB flash drives, SD (Secure Digital) cards are also removable and rewritable and use non-volatile flash memory.

Detailed explanation-2: -Memory cards (SD cards and Micro SD cards) are more often used in various portable devices, such as digital cameras, smartphones and tablets. They are sold in a broad range of capacities and speeds, as well as in multiple different physical sizes.

Detailed explanation-3: -A flash memory card (sometimes called a storage card) is a small storage device that uses nonvolatile semiconductor memory to store data on portable or remote computing devices. Such data includes text, pictures, audio and video.

Detailed explanation-4: -A USB flash drive–also known as a USB stick, USB thumb drive or pen drive–is a plug-and-play portable storage device that uses flash memory and is lightweight enough to attach to a keychain. A USB flash drive can be used in place of a compact disc.

Detailed explanation-5: -Flash storage uses a type of nonvolatile memory called flash memory. Nonvolatile memory doesn’t require power to maintain the integrity of stored data, so even if your power goes out, you don’t lose your data. In other words, nonvolatile memory won’t “forget” the data it has stored when the disk is turned off.