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1 operating unit
"An organization that divides the control of economic resources and operational processes among people who have a duty to maximize the use of scarce resources, to improve processes, and to account for their performance." -
2 HPFS
"A fixed-disk file system that organizes the disk into volumes, rather than partitions and logical drives. HPFS supports long, mixed-case filenames and extended attributes, and implements several levels of caching, for improved operating-system performance. The IBM OS/2 operating system supports HPFS." -
3 baseline
A range of measurements derived from performance monitoring that represents acceptable performance under typical operating conditions. -
4 basic input/output system
"The set of essential software routines that test computer hardware at startup, start the operating system, and support the transfer of information between hardware devices. The BIOS is stored in read-only memory (ROM) so that it can be run when the computer is turned on. Although critical to performance, the BIOS is usually invisible to computer users."نظام الإدخال/الإخراج الأساسي -
5 BIOS
"The set of essential software routines that test computer hardware at startup, start the operating system, and support the transfer of information between hardware devices. The BIOS is stored in read-only memory (ROM) so that it can be run when the computer is turned on. Although critical to performance, the BIOS is usually invisible to computer users." -
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 RAID
"A mechanism for storing identical data on multiple disks for redundancy, improved performance, and increased mean time between failures (MTBF). RAID provides fault tolerance and appears to the operating system as a single logical drive." -
8 Redundant Array of Independent Disks
"A mechanism for storing identical data on multiple disks for redundancy, improved performance, and increased mean time between failures (MTBF). RAID provides fault tolerance and appears to the operating system as a single logical drive."English-Arabic terms dictionary > Redundant Array of Independent Disks
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9 PowerPC
"A microprocessor architecture developed in 1992 by Motorola and IBM, with some participation by Apple. A PowerPC microprocessor is RISC-based and superscalar, with a 64-bit data bus and 32-bit address bus. It also has separate data and instruction caches, although the size of each varies by implementation. All PowerPC microprocessors have multiple integer and floating-point units. The voltage and operating speed varies with the implementation. Starting with the PowerPC 740, the microprocessors were manufactured with copper, instead of aluminum, for better performance and reliability." -
10 Assessment Toolkit
"A toolkit that helps you determine the quality of a running operating system or a set of components with regard to performance, reliability and functionality. The toolkit includes several assessments and provides the tools needed to run assessments on a local computer or on multiple computers, and review the results of the assessments to diagnose problems and determine how to make improvements." -
11 Scenario Power Manager
The entity in the operating system that decides on and manages performance and power settings for certain user scenarios. -
12 SPM
The entity in the operating system that decides on and manages performance and power settings for certain user scenarios.
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