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Q. What is a virtual address?
Von Neumann had suggested that execution of a program is possible only if program and data are residing in memory. In such a condition program length along with data and other space required for execution can't exceed total memory. Though it was found that at time of execution the complete part of instruction and data is not required as most of the time just few areas of program are being referenced. Keeping this in mind a new concept was putforward where only a required part is kept in memory whereas the rest of program and data reside in secondary storage. Program or data part that are stored on secondary storage are brought to memory whenever needed and part of memory that is not required is returned to the secondary storage. So a program size bigger than actual physical memory can be executed on that machine. This is known as virtual memory.
What is a reference string? An algorithm is evaluated by running it on a exacting string of memory references and computing the number of page faults. The string of memory refe
State about the Object models Object models are used for explaining the objects in the system and their connection with each other in the system. The dynamic model explains in
explain parallel database system
The most useful feature of an expert system is the high level expertise it provides to aid in problem solving. This expertise can represent the best thinking of the top
Give the organization of centralized store program control ( SPC). Within stored program control systems, a program or set of instructions for the computer that is stored in
Q. Determine what part of global array to work on thread number? #include void subdomain(float x[ ], int istart, int ipoints) { int i; for (i = 0; i x[istart+
Question: a Describe the following terms with reference to video editing: 1. Video frame rate 2. Pixel aspect ratio 3. Frame size 4. Temporal compression 5. Spatial comp
Extend task 1 so that it now supports a memory buffer of limited size. Provide the same functionality as task 1 except now make the server work with a limited buffer size. Like
Where Virtual memory is used ? Ans. Virtual memory is utilized in all main commercial operating systems.
sketch a neat E-R diagram for hotel management system with real time example
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