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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 Circular Dependencies. Circular Dependencies: To know the problem of circular dependencies consider a file server which uses a timeserver to acquire the current
What is the need of a hybrid in telephone networks? Digital exchanges need receive and transmit signals upon separate two-wire circuits. It calls for two-wire to four-wire con
Q. Illustrate the Execute Cycle? The fetch and indirect cycles include a small, fixed sequence of micro-operations. Every one of these cycles has fixed sequence of micro-operat
How the simulation is done Data is entered into the computer and simulation is run. The below scenarios may be tried out: - Timing of lights varied to see how traffic flow
dear sir,kindly describe the above tpoic completely
Suppose that your team is then asked to expand the system. The publisher now wishes to make other computer science publications. As a team member, you are asked to make a class tha
Explain Client Server Model. In the client- server model, communication usually takes the form of a request message from the client to the server asking for several works to be
DVD is a new technology very same to compact discs. A DVD looks just like an ordinary compact disc, though a DVD can hold up to 25 times as much as a CD!! That's 18 gigabytes!! Thi
Are there any special rules about inlining? Yes, there are some rules about inlining - a.) Any source files which used inline function should contain function's definition.
What is non-repudiation? how can it be achieved in designing e-cash based system?
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