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A Phase Change Memory as a Secure Main Memory
A Seminar Report
by
Abdul Nassar A A
M105101
Department of Computer Science & Engineering
College of Engineering Trivandrum
Kerala - 695016
2010-11




Contents
1 Introduction 5
2 PCM Technology 6
2.1 History and background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Memory cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Operation . . . . . . . . . . ....etc

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Name– study of diode matrix ROM.
Aim – to study the process of memory storage and memory address locations.
Apparatus – rectifier diodes, circuit board, DC power supply, resistors, connecting wires, soldering iron, cutter etc.
Circuit diagram –




Brief theory – a read only memory (ROM) can store thousands of binary numbers representing computer instructions and data. Some of the smaller ROMs are also used to implement t ....etc

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Virtual memory
¢ Virtual memory is an illusion of a memory that is larger than the real memory
“ Only some parts of a process are loaded in memory, other parts are stored in a disk area called swap space and loaded only when needed
“ It is implemented using noncontiguous memory allocation
* The memory management unit (MMU) performs address translation.
“ The virtual memory handler (VM handler) is that part of the kernel which manages virtual memory
Overview of virtual memory
¢ Memory allocat ....etc

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ABSTRACT
While magnetic and semi-conductor based information storage devices have been in use since the middle 1950â„¢s, todayâ„¢s computers and volumes of information require increasingly more efficient and faster methods of storing data. Among the most promising of the new alternatives are photopolymer-based devices, holographic optical memory storage devices, and protein-based optical memory storage using rhodopsin , photosynthetic reaction centers. This paper focuses mainly on protein-based optical memory storage using the photosen ....etc

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Virtual-Memory Management


Objectives

1 To describe the benefits of a virtual memory system

2 To explain the concepts of demand paging, pagereplacement
algorithms, and allocation of page frames

3 To discuss the principle of the working-set model


Background


1Virtual memory – separation of logical memory from
physical memory.

2 Only part of the program needs to be in memory for
execution
3 Logical address space can therefore be much ....etc

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This seminar presents a feasibility study for performing virtual address translation without specialized translation hardware. Removing address translation hardware and instead managing translation in software has the potential to make the processor design simpler, smaller, and more energy-efficient at little or no cost in performance.

The purpose of this seminar is to describe the design and quantify its performance impact. Trace-driven simulations show that software managed address translation is just as efficient as hardware managed tran ....etc

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pls send me glass computer memory for reduced cost of medical imaging ..abstact and ppt &FULL INFORMATION ....etc

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This seminar presents a feasibility study for performing virtual address translation without specialized translation hardware. Removing address translation hardware and instead managing translation in software has the potential to make the processor design simpler, smaller, and more energy-efficient at little or no cost in performance. The purpose of this seminar is to describe the design and quantify its performance impact. Trace-driven simulations show that software managed address translation is just as efficient as hardware managed translat ....etc

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