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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 is the role of IR and PC? Instruction Register (IR) having the instruction being implemented. Its output is available to the control circuits, which make the timing signa
This logbook should be used to record decisions, ideas, work done by your group on this assignment. Each group should keep one logbook, which must be submitted along with your sour
GRID COMPUTING Grid Computing signifies applying resources of different computers in a network concurrently to a single problem for solving a scientific or technical problem wh
Draw the logic diagram of 4-bit Twisted Ring counters and explain its operation with the help of timing diagram. Ans: Twisted ring counter (4 BIT): We ready know that shi
What are threads? A thread, sometimes termed as a lightweight process (LWP), is a fundamental unit of CPU utilization; this comprises a thread ID a register set and a stack and
Q. Explain about Synchronous DRAM? One of the most broadly used forms of DRAM is synchronous DRAM (SDRAM). Unlike the conventional DRAM that is asynchronous SDRAM exchanges dat
What is Digitizers A common device for drawing, painting, or interactively selecting coordinate positions on an object is a digitizer. These devices can be used to input coordi
a. Write down the salient difference among conventional T.V. and High Definition TV (HDTV) and also highlight the various benefits of digital representation for video. b. Video
Q.What do you mean by the term 'bounded rationality in decision making'? Maximizing the outcomes of a decision is an ideal stage. Habitually it is an impossible thing. The caus
Disadvantages of DNC
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