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In a raw Itanium, a "Processor Abstraction Layer" (PAL) is integrated into the system. When it is booted the PAL is loaded into the CPU and gives a low-level interface that abstracts some instructions and gives a mechanism for processor updates distributed via a BIOS update.
During BIOS initialization an additional layer of code, the "System Abstraction Layer" (SAL) is loaded that gives a uniform API for execution-specific platform functions.
On top of the PAL/SAL interface sits the "Extensible Firmware Interface" (EFI). EFI is not part of the IA-64 architecture but by convention it is needed on all IA-64 systems. It is a easy API for access to logical aspects of the system (display, storage, keyboard, etc) combined with a lightweight runtime environment (same to DOS) that allows basic system administration tasks such as configuring storage adapters, flashing BIOS and running an OS boot-loader.
Once the OS has been booted, some aspects of the PAL/SAL/EFI stack remain resident in memory and can be accessed by the OS to perform low-level tasks that are implementation-dependent on the underlying hardware.
Classify computer systems according to capacity. How they are different from computers according to the classification of technology. Provide comparative study also.
In a RAM, information can be stored ? Ans. RAM is used by the user, number of times.
Higher Order Predicate Logic : In the very first order predicate logic, we are only allowed to quantify over objects. If we are considered to allow ourselves to quantify over
Explain the term- Scan Insertion Scan Insertion is completed by a tool and results in all (or most) of your design's flip-flops to be changed by special "Scan Flip-flops". Sca
Q. Find simplified function F and implement that function using only NAND gates. 1. F(A,B,C) = (A+B) (A'+B+C') (A'+B'+C') 2. F (A,B,C,D) = A'B'C'+B'CD'+A'BCD'+AB'C' 3.
Why does IPV6 use separate extension headers? Explain. The extension headers in Ipv6 are utilized for economy and extensibility. Partitioning the datagram functionality in sepa
Data Warehousing 1. With necessary diagram, Describe about Data Warehouse Development Life Cycle. 2. Elucidate Metadata and what is its use in Data Warehouse Architecture?
how CSMA protocol is improved through persistence methods & collition detection
the various Scheduling algorithms ..
What is overriding? Overriding is an inherent part of association. It can show an ordered set of objects by writing {ordered} next to the appropriate association end. In 200
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