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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 are the server specific middle wares? Server specific middle wares. Their role in e-commerce. Additional features needed by e-commerce server. Middleware is the term of
What do understand by the granularity of a parallel system ? Granularity refers to the quantity of computation complete in parallel relative to the size of the entire program. I
Design a 8 to 1 multiplexer by using the fourvariable function given by F(A, B, C, D) = ∑ m(0,1,3,4,8,9,15). Ans. Design of 8 to 1 Multiplexer: It is a four-variable function a
A computer communication technology that gives a way to interconnect multiple computer across short distance is LAN
Q. Explain Point-to-point Message Passing? In point to point message passing, one process transmits/receives message from/to another process. There are four communication modes
Write down different system calls for performing different kinds of tasks. The major types of system calls are given as: Process Control: These kinds of system calls are
Simplify the given expressions using Boolean postulates XY + X‾Z‾ + XY‾Z (XY + Z) Ans. XY + X‾Z‾ + XY‾Z (XY + Z) = XY + X‾Z‾ + XY‾Z (XY + Z) = XY + X‾Z‾ + XXYY‾Z
More complicated logic circuits can be made byconnecting a number of simple logic gates.How do we decide how to connect the gates togive a particular function e.g. output Y?We need
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Minimax search: Always notice there that the process above was in order for player one to choose his and her first move for that. The whole entire process would require to fre
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