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A flash drive (also thumb drive, memory stick, and pen drive/pendrive) [1] [note 1] is a data storage device that includes flash memory with an integrated USB interface. A typical USB drive is removable, rewritable, and smaller than an optical disc , and usually weighs less than 30 g (1 oz).
A flash drive is a portable computer drive that uses flash memory. Flash drives are the larger memory modules consisting of a number of flash chips. A flash chip is used to read the contents of a single cell, but it can write entire block of cells. They connect to a USB port [1] and function as a folder.
A flash memory device typically consists of one or more flash memory chips (each holding many flash memory cells), along with a separate flash memory controller chip. The NAND type is found mainly in memory cards , USB flash drives , solid-state drives (those produced since 2009), feature phones , smartphones , and similar products, for general ...
The USB mass storage device class (also known as USB MSC or UMS) is a set of computing communications protocols, specifically a USB Device Class, defined by the USB Implementers Forum that makes a USB device accessible to a host computing device and enables file transfers between the host and the USB device. To a host, the USB device acts as an ...
USB flash drives were being sold for $370 as a "5G Bioshield", purportedly offering protection from the non-existent threat of infection transmitted via 5G mobile telephone radio waves. [ 49 ] Over 34,000 counterfeit surgical masks—which may have been touted as providing coronavirus prevention—were seized by Europol in March 2020.
USB flash drive - small Flash memory device; the FlashDisk (DiskOnChip) Modu 's revolutionary modular phone - the basis for Google's modular phone Project Ara [13] [14] Lightest mobile phone - Modu (weighs 40.1 g) world held the record for the world's lightest mobile phone. [15] [16] Smartype - revolutionary smart keyboard [17]