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define critical section problem in operating system

The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System

The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System

Hệ điều hành

... UniversityPittsburgh, PA 15213Appeared in Proceedings of the 11th Operating Systems Principles,November, 1987AbstractMach is a multiprocessor operating system being implemented at Carnegie-Mellon ... shadowing, the data is instead copied from the original. 11. Introduction In late 1984, we began implementation of an operating system called Mach. Our goals for Mach were:ã an object oriented interface ... Principles of Distributed Computing. 1986.[15] Rashid, R.F. and Robertson, G.Accent: A Communication Oriented Network Operating System Kernel. In Proceedings of the 8th Symposium on Operating...
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gorban a.n. singularities of transition processes in dynamical systems.. qualitative theory of critical delays (ejde monograph 05, 2004)(55s)

gorban a.n. singularities of transition processes in dynamical systems.. qualitative theory of critical delays (ejde monograph 05, 2004)(55s)

Vật lý

... dynamical systems. The interrelation of six principal kinds of slowrelaxations in perturbed system is analogous to their interrelation in smooth roughtwo-dimensional system described in Theorem ... t distinct initial points areshifted in time t into distinct points for.For a given parameter value k ∈ K and an initial state x ∈ X, the ω-limit setω(x, k) is the set of all limit points of ... is positively invariant submanifold in M with smooth boundary,int X = ∅, then by in nitesimal (in C1-topology) perturbation of F preservingpositive invariance of X one can obtain that semiflow...
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báo cáo hóa học:

báo cáo hóa học: " On the regularity of the solution for the second initial boundary value problem for hyperbolic systems in domains with conical points" pptx

Hóa học - Dầu khí

... boundary value problems for hyperbolicequations and systems in domains with co nical points. These problems with t heDirichlet boundary conditions were investigated in [3-5] in which the unique ... boundary value problems in domains with point singulari-ties have been thoroughly investi gated (see, e.g, [1,2] and the ex tensive bibliography in this book). We are concerned w ith initial boundary ... stu-died in [6]. In the present paper we consider the Cauchy-Neumann (the second initial)boundary value problem for higher-order strongly hyperbolic systems in domains withconical points.Our...
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The research of using epad technology to support activities in administrative system

The research of using epad technology to support activities in administrative system

Công nghệ thông tin

... Delete userR.4. New incoming document processing packageR.4.1. Register into “incoming book”R.4.2. Store into databaseR.4.3. View new incoming documentsR.4.4. Decide destinationR.4.4.1. PublicR.4.4.2. ... descriptionInsert document’s information into “incoming book” form and store into database- References R.4.1- Process descriptionActionResponse1. Click on “incoming book” button2. Show information ... Uc11. View new incoming documentUc12. Decide destination37- Use case name View new incoming document- Actor Employee, manager, administration department- Purpose View new incoming document-...
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Tổng quan về Operating System

Tổng quan về Operating System

Cao đẳng - Đại học

... điều hành sau này. 1.23Một số khái niệm của hệ điều hành(tt) Sự phân lớp hệ thống (System Layering)–Mỗi người sử dụng khác nhau yêu cầu khai thác hệ điều hành ở những mức độ khác nhau: ... nhau, với MS_DOS đó là con trỏ lệnh và dấu nhắc hệ điều hành (C:\>_), với Windows 9x đó là nút Start\Run. Tập tin Command.Com chính là Shell của MS_DOS. 1.47Các thành phần của hệ điều hành ... vụ sau:–Quản lý không gian trống trên đĩa.–Định vị lưu trữ thông tin trên đĩa.–Lập lịch cho vấn đề ghi/ đọc thông tin trên đĩa của đầu từ. 1.42Các thành phần của hệ điều hành (tt) Thành...
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Vietnamese Speech Recognition and Synthesis in Embedded System Using T-Engine

Vietnamese Speech Recognition and Synthesis in Embedded System Using T-Engine

Khoa học xã hội

... short introduction of T-Engine is given, while a method proposed for speech recognition in T-Engine is provided in Section 3, following is Vietnamese speech synthesis method in Section 4. In ... quality of speech engines. Finally, we demonstrate a human-computer interaction software in T-Engine embedded system. I. INTRODUCTION In this paper, we are concerned with the combination of speech ... of system resource (memory, CPU, storage ) in implementation is a considerable problem, especially for an embedded system as T-Engine in our case.The paper is organized as follows. In Section...
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Operating system

Operating system

Tin học

... Warm upA. Look at the diagramWhat is the function of the operating system? The function of operating system is to control a computer, manage the function of the computer, and ... Divide some common nouns in computing into countable and uncountable nounsLanguage work2. Robotics4. Program5. Hacker9. Workstation1. Window3. Hardware6. Hacking8. SoftwareCountable ... Complete this text with a, an, the (or nothing at all) as neccessaryLanguage work1. a2. the3. the4. nothing6. nothing7. the8. an9. nothing5. nothing10. an Language workCountable and...
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Security Issues in Wireless Systems

Security Issues in Wireless Systems

Kỹ thuật lập trình

... which includes a random challenge string [14–16].12.5 Mobile IPMobile IP was developed in response to the increasing use of mobile computers in order toenable computers to maintain Internet ... shielding, the traffic of a wireless network can beeavesdropped from outside the building where the network is operating. In most wirelessnetworks, there is a kind of link level ciphering done ... encrypted messages being exchanged. Such information could be useful to theattacker as it can reveal useful information in guessing the nature of the information beingexchanged [2,3]. In general, passive...
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Programming the Be Operating System-Chapter 9: Messages and Threads

Programming the Be Operating System-Chapter 9: Messages and Threads

Hệ điều hành

... subsequent window is to be staggered from the pre-viously opened window: #define WINDOW_WIDTH 200.0 #define WINDOW_HEIGHT 100.0 #define WINDOW_1_LEFT 20.0 #define WINDOW_1_TOP 30.0 #define WINDOW_H_OFFSET ... number of constants in opening each window. WINDOW_WIDTH and WINDOW_HEIGHT define the size of each window. WINDOW_1_LEFT andWINDOW_1_TOP establish the screen position of the first window. The two ... SortItems(int (*cmp)(const void *, const void *)); bool SwapItems(int32 indexA, int32 indexB); bool MoveItem(int32 fromIndex, int32 toIndex); void *ItemAt(int32) const; void *ItemAtFast(int32)...
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