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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 is meant by scan conversion?
A subroutine can contain nested form and endform blocks. False.
Q. Show the Frames inside other frames? Here we would discuss how to divide frames into different frames that is how to put horizontal frames in a vertical one and vice-versa.
Explain the concept of Generalization Generalization and inheritance are powerful abstractions for sharing the structure and/or behaviour of more than one class. Generalizati
Q. Explain Open-systems interconnections architecture model The most common network architecture model is the open-systems interconnections (OSI). Figure shows the ISO (Intern
I have assignment about writing code in c# language this code to control the leds in the circuit board ..any idea
End-user Computing: The growing base of personal computers and local area networks in the end user community are supported. This offers installation services, training and helps de
why partition and mounting is needed
Define data type and abstract data type comment upon the significant of both
We now consider the relation between passwords and key size. For this purpose consider a cryptosystem where the user enters a key in the form of a password. Assume a password consi
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