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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).
The iPhone 6s has a similar design to the iPhone 6 but includes updated hardware, including a strengthened 7000 series aluminum alloy chassis and upgraded Apple A9 system-on-chip, a new 12-megapixel rear camera that can record up to 4K video at 30fps (A first in the series), can take dynamic "Live Photos", the first increase in front camera ...
Flash memory is an electronic non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash memory, NOR flash and NAND flash, are named for the NOR and NAND logic gates. Both use the same cell design, consisting of floating-gate MOSFETs. They differ at the circuit level depending on ...
A flash drive, a typical USB mass-storage device An M.2 (2242) solid-state-drive connected into USB 3.0 adapter and connected to computer. The USB mass storage device class (MSC or UMS) standardizes connections to storage devices. At first intended for magnetic and optical drives, it has been extended to support flash drives and SD card readers.
The Apple A9 is a 64-bit ARM-based system-on-chip (SoC) designed by Apple Inc., part of the Apple silicon series. Manufactured for Apple by both TSMC and Samsung, it first appeared in the iPhone 6s and 6s Plus which were introduced on September 9, 2015. [12]
Flash memory devices impose no seek latency. Wear leveling: flash memory devices tend to wear out when a single block is repeatedly overwritten; flash file systems are designed to spread out writes evenly. Log-structured file systems have all the desirable properties for a flash file system. [1] Such file systems include JFFS2 and YAFFS.
An assortment of flash drives Transcend JetFlash from 2014. 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.
USB drive may refer to: A USB flash drive or "thumb drive", a USB-connected computer storage using semiconductor non-volatile random-access memory; A USB external drive, a hard drive fitted with a USB interface Secure Digital, a non-volatile memory card format; CompactFlash, a flash memory mass storage device