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In a raw Itanium, a 'Processor Abstraction Layer' (PAL) is incorporated in system. When it's booted PAL is loaded in the CPU and provides a low-level interface which abstracts a number of instructions in addition provides a mechanism for processor updates distributed by a BIOS update.
At the time of BIOS initialization an additional layer of code 'System Abstraction Layer' (SAL) is loaded which provides a uniform API for implementation specific platform functions.
On top of PAL/SAL interface sits 'Extensible Firmware Interface' (EFI). EFI isn't part of IA-64 architecture however by convention it's needed on all IA-64 systems. It is a simple API for access to logical features of system (display, storage, keyboard etc) combined with a lightweight runtime environment (which is similar to DOS) which allows basic system administration tasks like configuring storage adapters, flashing BIOS and running an OS boot-loader.
Moment OS has been booted; some features of PAL/SAL/EFI stack stay resident in memory and can be accessed by OS to perform low-level tasks which are implementation-dependent on underlying hardware.
Define about the Objects The object notation is the same in basic form as that for a class. There are three differences among the notations, these are given below: With
Is it possible to unit test an MVC application without running the controllers in an ASP.NET process? Ans) Yes, all the features in an asp.net MVC application are interface ba
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a pcm has the following parameters a maximum analog input frequency of 4khz maximum decoded voltage at the receiver of 2.55v minimum dr of 6db compute minimum sampling rate,minimum
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Purpose: Payroll processing and storage for the client database (accessed from the Reception-PCover the network),word processing (reports etc.) and spreadsheets. Software: . • W
State about Dynamic modelling and its inputs Dynamic modelling is elaborated further by adding concept of time: new attributes are computed, as a function of the attribute chan
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Q. Options with DIR in DOS? You can use a number of options with DIR. To get the list of files from any other drive, denote the drive name followed by ':' with DIR. For exam
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