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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.
a) Prototype a macro known AP which takes 4 integer parameters n (number of terms), a (first term), l (last term) and Sum (sum of n terms), provided that: Sum = (a+l)*n/2 b)
Three dissimilar types of convergences are: 1. The convergence of e-commerce and wireless technology 2. The Convergence of E-Commerce and IP Business-Grade Messaging 3
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Lists out some applications of Shift Register. Ans: Applications of Shift Registers: a. Serial to Parallel Converter b. Parallel to Serial Converter c. Delay li
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State the SELECTIVE CLEAR - logic micro operations The selective-clear operation clears to 0 bits in register A only where there are corresponding 1's in the register B. For
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Define Assembly Assembly is a one deployable unit that contains information about the execution of classes, structures and interfaces. it also keeps the information about itsel
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