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Device configuration overlay (DCO) is a hidden area on many of today's hard disk drives (HDDs). Usually when information is stored in either the DCO or host protected area (HPA), it is not accessible by the BIOS (or UEFI), OS, or the user.
The Multimodal Architecture and Interfaces recommendation introduces a generic structure and a communication protocol to allow the modules in a multimodal system to communicate with each other. This specification proposes an event-driven architecture as a general frame of reference focused in the control flow data exchange.
A block, a contiguous number of bytes, is the minimum unit of storage that is read from and written to a disk by a disk driver.The earliest disk drives had fixed block sizes (e.g. the IBM 350 disk storage unit (of the late 1950s) block size was 100 six-bit characters) but starting with the 1301 [8] IBM marketed subsystems that featured variable block sizes: a particular track could have blocks ...
In suburban Toronto, Finch Station connects underground train, local, regional, and interregional bus services.. Intermodal passenger transport hubs in public transport include bus stations, railway stations and metro stations, while a major transport hub, often multimodal (bus and rail), may be referred to as a transport centre or, in American English, as a transit center. [4]
GIF—Graphics Interchange Format; GIGO—Garbage In, Garbage Out; GIMP—GNU Image Manipulation Program; GIMPS—Great Internet Mersenne Prime Search; GIS—Geographic Information System; GLUT—OpenGL Utility Toolkit; GML—Geography Markup Language; GNOME—GNU Network Object Model Environment; GNU—GNU's Not Unix
The first 3480 tape drives were introduced in 1984. The IBM 3480 was the first tape drive to employ magnetoresistive (MR) heads and the first to use chromium dioxide tape. One way the format stands out from earlier formats is that the gap between blocks is too small for the drive to stop the tape within it, so the drive must have a write buffer.
NCQ allows the drive itself to determine the optimal order in which to retrieve outstanding requests. This may, as here, allow the drive to fulfill all requests in fewer rotations and thus less time. In computing , Native Command Queuing ( NCQ ) is an extension of the Serial ATA protocol allowing hard disk drives to internally optimize the ...
X/Open does not specify the format of the compiled terminal description. In fact, it does not even mention the common tic or infocmp utilities. [ 6 ] [ 7 ] Because the compiled terminfo entries do not contain metadata identifying the indices within the tables to which each capability is assigned, they are not necessarily compatible between ...