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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.
SGML is very large, influential, and difficult. It has been in important industrial and commercial use for nearly two decades, and there is a important body of expertise and softwa
Describe about the Layered computer design Introduction Layered computer design focuses on computer design. It uses top-down, layered approach to design and also to improve
Discuss about Simple Mail Transfer Protocol briefly. SMTP: It is sands for Simple Mail Transfer Protocol, is a protocol for sending e-mail messages among servers. Most e-
Applications of recursion theorem? 1. ATM is undecidble. 2. Fixed point theorem. 3. MINTM is not Turing recognisable
What are the basic features of Supply Chain Management? Features of Supply Chain Management Supply Chain Management uses different methods to find out, affect and chang
How will you allocate sub system? Allocate every concurrent subsystem to hardware unit. General purpose processor or specialized functional unit as follows: Estimate per
Give difference between assembler and interpreter. Assembler: It is the translator for an assembly language of computer. An assembly language is a low-level programming langu
how to write this program,what are the declaration and function are needed in java program in java // aakash , suraj , prem sasi kumar kamaraj college program 1 : pack
TARGET = "_blank" "_blank" opens new document in a new window. Run the code given in Figure and check how it works. This value doesn't require the use of any frames. "_blank"
In this segment, we will give very brief details of registers of a RISC system known as MIPS. MIPS is a register-to-register or load/store architecture and employs three address
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