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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.
Q. Explain types of assembly programs? Assembly language programs can be written in two manners: COM Program: Having all segments as part of one segment EXE Program: that hav
if the 6 is a and the b is 3 what is the c ?
Floating gate Avalanche Injection MOS (FAMOS) transistor is used in every cell of EPROM.
What is write-back or copy-back protocol? For a write operation using this protocol during write-hit: the method is to update only the cache and to mark it as updated with an a
What is reification? It is the promotion of something that is not an object into an object. Helpful method for Meta applications. It shifts the level of abstraction. Promote
Q. Explain about different types of Mice? Mice can be classified on the foundation of numbers of buttons, position sensing technology or type of Interface: Sensing Technol
Solve the problem in page 346 of the paper on cell formation by Boctor using the MIP method. Use 4 cells and no more than 3 machines per cell. Solve the problem using the MIP m
What are links and associations? Link is a physical or conceptual connection between objects. A link is an instance of an association. Association is a explanation of group
Explain about the two services that are used to deal with communication. Message Service: Used by the application servers to change short internal messages, all system commu
Differentiate between Transport and Session layers of OSI model. OSI Model Transport Layer The transport layer utilizes the services provided through the network layer, as
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