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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.
Difference between the testing and verification. Verification proves conformance with a specification. Testing tries to find cases where the system does not meet its specifi
Benefits of object oriented Modelling There are many benefits and advantages of object oriented modelling. Emphasis on quality and reuse are the major highlights of OOM. OOM p
Adding Momentum - Sigmoid units: However imagine a ball rolling down a hill as it does so then it gains momentum in which its speed increases and it becomes more difficult to
All AWT event listeners expand the java.util.EventListener interface.
Rational performance of an agent - artificial intelligence: To summarize, an agent takes input from its violence and affects that environment. The rational performance of an a
Aggregation Aggregation is a special form of association that models the "part-whole" or "a-part-of" relationship as an aggregate (the whole) and parts. The most important pro
What are the dynapro keywords? FIELD, MODULE, SELECT, VALUES and CHAIN are the dynapro keywords
How does CPU know that an interrupt has taken place? There needs to be a line or a register or status word in CPU which can be increased on occurrence of interrupt situation.
Q.What is Canonical and Standard Forms? An algebraic expression can express in two forms: i) Sum of Products (SOP) for example (A . B¯) + (A¯ . B¯) ii) Produ
What is socket inheritance? Explain. Socket Inheritance: In a socket inheritance a reference count mechanism is utilized. Whenever a socket is first created, the system set
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