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In a memory hierarchy system, data and programs are first stored in secondary or auxiliary memory. Program and its related data are brought in main memory for execution. What if the size of Memory needed for Program is more than the size of memory? Virtual memory is a idea used in some large computer systems which allow user to construct programs as though a large memory space were available, equal to total of secondary memory. Every address produced by CPU goes through an address mapping from so-called virtual address to a physical address in main memory. Virtual memory is employed to give programmers the illusion that they have a very large memory at their disposal although computer in fact has a relatively small main memory. A Virtual memory system offers a mechanism for translating program-generated addresses in correct main memory locations. This is done dynamically whereas programs are being executed in CPU. The translation or mapping is handled automatically by hardware through a mapping table.
Explain the stack storage allocation model. In a stack-based allocation, all objects are allocated in last-in, first-out data structure and a stack. For example: Recursive subr
There are two methods for organising the associative memory based on bit slices: Bit parallel organisation: In this organisation every bit slices which are not masked off,
Control Signals from Control Bus: A number of the control signals are provided to control unit by the control bus. These signals are issued from outside the CPU. Some of these si
Predicates in propositional model: The predicates take a number of arguments in which for now we assume are ground terms and represent a relationship between those arguments t
Q. Explain about Floating-Executive model? Floating-Executive model: The master-slave kernel model is too restrictive in sense that only one of processors viz designated master
Scenarios encapsulate the Vuser Groups and scripts to be implemented on load generators at run-time. Manual scenarios can deal out the total number of Vusers between scripts bas
What are the Requirements to design Sequential circuit Ans . Design Requirements of Sequential circuit: (i) The circuit specifications translated into a state diagram
Problem: a) Authoring tools consist of two basic features. First, an authoring facility for creating and editing, and second, a presentation vehicle for delivery. The authorin
Briefly explain how the server control validation controls work? A validation control works by evaluating the value of an input server control on the page to see whether it me
Write a main function that opens an ifstream on the input file, "person.dat". If the stream cannot be opened, output an error message and exit. The file format is as foll
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