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A Singaporean company named Trek 2000 International is the first company known to have sold a USB flash drive, and has also maintained that it is the original inventor of the device. Also in 1999, Shimon Shmueli, an engineer at IBM, submitted an invention disclosure asserting that he had invented the USB flash drive. The patent was subsequently granted on Novemand these individuals have often been recognized as the inventors of the USB flash drive.

Windows sd card reader driver download serial#

On April 5, 1999, Amir Ban, Dov Moran, and Oron Ogdan of M-Systems, an Israeli company, filed a patent application entitled 'Architecture for a Universal Serial Bus-Based PC Flash Disk'. Multiple individuals have staked a claim to being the inventor of the USB flash drive.

Flash memory uses floating-gate MOSFET transistors as memory cells. The basis for USB flash drives is flash memory, a type of floating-gate semiconductor memory invented by Fujio Masuoka in the early 1980s.

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7 Comparison with other portable storage.

5.6 Operating system installation media.

5.3 Computer forensics and law enforcement.

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5.2 Secure storage of data, application and software files.

Some devices combine the functionality of a portable media player with USB flash storage they require a battery only when used to play music on the go. USB flash drives draw power from the computer via the USB connection. Most flash drives use a standard type-A USB connection allowing connection with a port on a personal computer, but drives for other interfaces also exist (e.g. The USB connector may be protected by a removable cap or by retracting into the body of the drive, although it is not likely to be damaged if unprotected. Some are equipped with an I/O indication LED that lights up or blinks upon access. USB drives with USB 2.0 support can store more data and transfer faster than much larger optical disc drives like CD-RW or DVD-RW drives and can be read by many other systems such as the Xbox One, PlayStation 4, DVD players, automobile entertainment systems, and in a number of handheld devices such as smartphones and tablet computers, though the electronically similar SD card is better suited for those devices, due to their standardized form factor, which allows it to be housed inside a device without protruding.ДЄ flash drive consists of a small printed circuit board carrying the circuit elements and a USB connector, insulated electrically and protected inside a plastic, metal, or rubberized case, which can be carried in a pocket or on a key chain, for example.

USB flash drives use the USB mass storage device class standard, supported natively by modern operating systems such as Windows, Linux, macOS and other Unix-like systems, as well as many BIOS boot ROMs. Until about 2005, most desktop and laptop computers were supplied with floppy disk drives in addition to USB ports, but floppy disk drives became obsolete after widespread adoption of USB ports and the larger USB drive capacity compared to the '1.44 megabyte' (1440 kibibyte) 3.5-inch floppy disk. The ability to retain data is affected by the controller's firmware, internal data redundancy, and error correction algorithms.

However, as with any flash storage, data loss from bit leaking due to prolonged lack of electrical power and the possibility of spontaneous controller failure due to poor manufacturing could make it unsuitable for long-term archival of data. Additionally, they are less vulnerable to electromagnetic interference than floppy disks, and are unharmed by surface scratches (unlike CDs). Compared with floppy disks or CDs, they are smaller, faster, have significantly more capacity, and are more durable due to a lack of moving parts. Some allow up to 100,000 write/erase cycles, depending on the exact type of memory chip used, and are thought to physically last between 10 and 100 years under normal circumstances ( shelf storage time ).Д¬ommon uses of USB flash drives are for storage, supplementary back-ups, and transferring of computer files. As of 2018, 2В TB flash drives were the largest available in terms of storage capacity. As of March 2016, flash drives with anywhere from 8 to 256 gigabytes (GB ) were frequently sold, while 512В GB and 1 terabyte (TB ) units were less frequent. Since first appearing on the market in late 2000, as with virtually all other computer memory devices, storage capacities have risen while prices have dropped. It is typically removable, rewritable and much smaller than an optical disc. A SanDisk Ultra Flair USB drive from 2020, attached with an HP LaptopДЄ USB flash drive (also called a thumb drive) is a data storage device that includes flash memory with an integrated USB interface.