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1 hardware abstraction layer
"A thin layer of software provided by the hardware manufacturer that hides, or abstracts, hardware differences from higher layers of the operating system. By means of the filter provided by the HAL, different types of hardware look alike to the rest of the operating system. This enables the operating system to be portable from one hardware platform to another. The HAL also provides routines that enable a single device driver to support the same device on all platforms."English-Arabic terms dictionary > hardware abstraction layer
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2 database management system
A layer of software between the physical database and the user. The DBMS manages all access to the database.English-Arabic terms dictionary > database management system
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3 application definition
A design-time description of an 'atomic' deployable application layer system that offers and/or consumes services. -
4 HAL
"A thin layer of software provided by the hardware manufacturer that hides, or abstracts, hardware differences from higher layers of the operating system. By means of the filter provided by the HAL, different types of hardware look alike to the rest of the operating system. This enables the operating system to be portable from one hardware platform to another. The HAL also provides routines that enable a single device driver to support the same device on all platforms." -
5 authentication service
"A service provided by an operating system or underlying subsystem (like Microsoft Internet Information Services) that provides a means to authenticate users, typically using a user name and password. Part of the general security system, authentication services can also be offered at the application layer." -
6 kernel
"The core of layered architecture that manages the most basic operations of the operating system and the computer's processor. The kernel schedules different blocks of executing code, called threads, for the processor to keep it as busy as possible and coordinates multiple processors to optimize performance. The kernel also synchronizes activities among Executive-level subcomponents, such as I/O Manager and Process Manager, and handles hardware exceptions and other hardware-dependent functions. The kernel works closely with the hardware abstraction layer." -
7 sparing table
A remapping table in the UDF file format that allows defect management with disk/drive systems that do not typically perform defect management (e.g. CD-RW) by reallocating the data at the file system layer when a defective block is encountered. -
8 Application Telemetry
"A system that is used to gather a wide variety of information about applications. It includes, but is not limited to, what shims are applied, what compatibility switching context is used, if PCA applies a layer, and it includes Application Impact Telemetry."
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