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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.
A software development company wants to create a social network application where users can post brief audio messages giving their thoughts. Each user of the application will ha
explain the various types of computer systems
Q. What is Status Control and Registers? Status Control and Registers: These registers can't be used by programmers though are used to control CPU or execution of a program.
What is the basic requirement for establishing VLANs?
Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b
Which processing is not a part of Synthesis phase? Ans. Perform LC processing is not a part of Synthesis phase.
What is verilog case (1) ? wire [3:0] x; always @(...) begin case (1'b1) x[0]: SOMETHING1; x[1]: SOMETHING2; x[2]: SOMETHING3; x[3]: SOMETHING4; endcase
As a resource manager As a virtual machine
What is the chief advantage of using virtual packets instead of frames? The router can't transfer a copy of a frame from one kind of network to another since the frame formats
Hello Sir/Mam, Actually i am trying to implement the concept of MAC layer protocols in NS2..... But unfortunately i am not able to do that.... and not even able to get the code fo
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