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A 500 GB Western Digital hard disk drive with a 16 MB buffer In computer storage , a disk buffer (often ambiguously called a disk cache or a cache buffer ) is the embedded memory in a hard disk drive (HDD) or solid-state drive (SSD) acting as a buffer between the rest of the computer and the physical hard disk platter or flash memory that is ...
Pages in the page cache modified after being brought in are called dirty pages. [5] Since non-dirty pages in the page cache have identical copies in secondary storage (e.g. hard disk drive or solid-state drive), discarding and reusing their space is much quicker than paging out application memory, and is often preferred over flushing the dirty pages into secondary storage and reusing their space.
Product key on a Proof of License Certificate of Authenticity for Windows Vista Home Premium. A product key, also known as a software key, serial key or activation key, is a specific software-based key for a computer program. It certifies that the copy of the program is original. Product keys consist of a series of numbers and/or letters.
On SCSI hard disk drives, the SCSI controller can directly control spin up and spin down of the drives. Some Parallel ATA (PATA) and Serial ATA (SATA) hard disk drives support power-up in standby (PUIS): each drive does not spin up until the controller or system BIOS issues a specific command to do so. This allows the system to be set up to ...
A French court found all 51 defendants guilty on Thursday in a mass rape case including Dominique Pelicot, who repeatedly drugged his then wife, Gisele, and allowed dozens of strangers into the ...
The 10 best things to do in Perdido Key, Florida. News. News. USA TODAY. Crews race to contain LA wildfires as menacing winds ramp up: Live updates. News. USA TODAY.
IBM's first hard drive, the IBM 350, used a stack of fifty 24-inch platters and was of a size comparable to two large refrigerators. In 1962, IBM introduced its model 1311 disk, which used six 14-inch (nominal size) platters in a removable pack and was roughly the size of a washing machine. This became a standard platter size and drive form ...
Cancer is typically treated with surgery, radiation and sometimes chemotherapy. But a new study suggests this standard protocol might not be necessary for a common form of early-stage breast cancer.