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can be executed from any USB flash drive, and from any PC hard disk drive (internal or external) leave no traces of their use in the Windows applications registry or any other user folder in the host PC hard drive
As users can take the USB devices containing their version of the operating system around with them employees can boot up their home computer with the same USB stick so it has exactly the same software environment as they use in their place of work thus enabling employees to work at home exactly the same as they would in the office.
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 ...
Other external or dockable peripherals that have expandable removable media capabilities, usually via a USB port or memory card reader. USB hubs; Wired or wireless printers; Network routers, access points and switches; Using removable media can pose some computer security risks, including viruses, data theft and the introduction of malware. [6]
Read-only memory (ROM) is also a WORM medium. Such memory may contain the instructions to a computer to read the operating system from another storage device such as a hard disk. The non-technical end-user, however, cannot write the ROM even once but considers it part of the unchangeable computing platform.
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 written USB 3.0 specification was released by Intel and its partners in August 2008. The first USB 3.0 controller chips were sampled by NEC in May 2009, [4] and the first products using the USB 3.0 specification arrived in January 2010. [5] USB 3.0 connectors are generally backward compatible, but include new wiring and full-duplex operation.
The xHCI reduces the need for periodic device polling by allowing a USB 3.0 or later device to notify the host controller when it has data available to read, and moves the management of polling USB 2.0 and 1.1 devices that use interrupt transactions from the CPU-driven USB driver to the USB host controller.