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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.
What are the types where relationship exists in Electronic Market Place? In this two forms of relationships can exist, they are: a. Customer/seller linkage is recognized at
Shift Microoperations Shift microoperation can be used for serial transfer of the data. They are used generally with arithmetic, logic and other data-processing operations. The
As an advocate of CISC architecture to RISC architecture, what are the merits and demerits of CISC to RISC architecture
Let's provide you a fundamental illustration by which you may be able to define the concept of instruction format. Let us consider the instruction format of a MIPS computer. MI
What are subroutines? Subroutines are program modules, which can be known from other ABAP/4 programs or within the similar program.
How do I update an existing copy of the source to the current version? Ans) As the common code changes, you might need to update your copy to have the lastest version. To do tha
We are planning an orienteering game. The aim of this game is to arrive at the goal (G) from the start (S) with the shortest distance. However, the players have to pass all the che
Explain with neat diagram the internal organization of bit cells in a memory chip. Memory cells are usually organized in the form of an array, in which every cell is capable of
Public Key Infrastructure solutions The use of public-key based security systems requires great attention and due care in design and management of security features. The secur
The CCITT standard bandwidth for speech is: (A) 20000 Hz (B) 15000 Hz (C) 7000 Hz (D) 3400 Hz Ans:
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