evaluation of operating system ppt
Tài liệu Integration and Automation of Manufacturing System ppt
... section is a brief overview of the Linux operating system. The intention is to overview the basic components in the operating system. An administrator can manage the operating system using the graphical ... features than other operating systems. - the source code is open, so users can customize the operating system to meet their needs. This chapter will present the Linux operating system in general, ... respond to the desires and needs of the users. In contrast, closed operating systems are developed by a single corporation using static snapshots of market models and profit driven constraints. Linux...
Ngày tải lên: 20/01/2014, 02:20
Tài liệu Aesthetic preferences and the attribution of meaning: Environmental categorization processes in the evaluation of urban scenes ppt
... little of the research mentioned above evaluated urban stimuli, or the role that familiarity or recognition of visualized scenes may play in processes of aesthetic evaluation. The development of evaluation ... large variety of scenes, certain attributes of spatial configuration (such as the extent of openness and spatial definition, the normal function and/or use of the place, and the age of the site ... consider to be of great importance for research in this field. Another of the goals of the present study was to explore the role that the restorative capacity of a place, in terms of the Attentional...
Ngày tải lên: 19/02/2014, 17:20
GNU/Linux Basic operating system ppt
... still did not have a stable kernel for its operating system, a professor of the University of Holland, Andrew�Tanen- baum, decided to write an operating system so that his students could study it. Like ... file system 2.3.1. The file system hierarchy Any operating system needs to save numerous files: from system configuration files, to log files or user files etc. In general, each operating system ... regardless of what distribution we use. Command A command is a program that performs a specific action re- lated to the operating system. Each of the system s commands tends to have a large amount of...
Ngày tải lên: 08/03/2014, 23:20
Learning the Unix Operating System pptx
... (1 of 2) [6/30/2002 3:40:58 PM] Index Symbols | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y Index: O operating system, definition of ... shell aliases for : 7.2. Shell Aliases and Functions syntax of : 1.2. Syntax of UNIX Command Lines types of : 1.3. Types of Commands X root menu : 2.3.3. The Root Menu configuring control ... command works. Options are often single letters prefixed with a dash (-) and set off by any number of spaces or tabs. Multiple options in one command line can be set off individually (like -a...
Ngày tải lên: 18/03/2014, 00:20
Báo cáo hóa học: " Unsupervised Performance Evaluation of Image Segmentation" pptx
... behaviors of the different cri- teria on various types of images. Evaluation of segmentation results We illustrate in this part, the behavior of these evaluation cri- teria for different types of images. ... define the level of precision of a segmen- tation result is the number of its classes. We use the unsuper- vised evaluation criteria for the comparison of the segmen- tation results of an image that ... Perspec- tives of this study concern the application of these evaluation criteria for the choice of the segmentation method parame- ters or the definition of new segmentation methods by opti- mizing an evaluation...
Ngày tải lên: 22/06/2014, 23:20
Formal Models of Operating System Kernels phần 10 pot
... been pointed out (in Chapter 1) that file systems are not considered part of the kernel. File systems are certainly part of the operating system but not part of the kernel. They are considered privileged ... in operating systems research these days. Most “new” systems look like Unix or Windows. Pike makes the point that the domination of these systems serves to reduce the level of innovation in operating ... proof of the correctness of the model for semaphores. The second kernel is of approximately the complexity of kernels such as those built by Digital Equipment for the excellent operating systems...
Ngày tải lên: 23/07/2014, 23:20
Formal Models of Operating System Kernels phần 9 potx
... N pgallocstart =0 The value of 0 is completely arbitrary, as is now explained. Some systems map a virtual copy of the operating system onto the vir- tual address space of each user space (and some ... determine a number of properties of CCS and CSP processes, including observational equivalence and bisimilarity. The propositions concerning equivalence of the various versions of the subsystem were ... between the component processes of the subsystem, not in the specification of the components. The processes to be modelled do not have properties suggestive of the use of the π-calculus (e.g., mobility),...
Ngày tải lên: 23/07/2014, 23:20
Formal Models of Operating System Kernels phần 8 pot
... comprising the system- call library all send and receive messages. Therefore, the rest of the proof must be in terms of the properties of the message-passing subsystem. The message-passing subsystem is ... of sharedpages(p)(sg), for some p and sg. Proof. Similar to the previous proof. ✷ Proposition 134. IsLockedPage iff lpno? is a locked page; that is, iff lpno? is an element of lockedpages. Proof. ... being “in core”, hence the name of the variable, incore.Thepagecount counts the number of pages in each segment of each process. There is an a priori limit to the number of pages in a segment and pagecount...
Ngày tải lên: 23/07/2014, 23:20
Báo cáo y học: "Meeting the challenges of drug discovery: a multidisciplinary re-evaluation of current practices" pptx
Ngày tải lên: 14/08/2014, 14:21
Báo cáo khoa học: "An Evaluation of METAL: the LRC Machine Translation System" ppt
... describe the current stat~s of METAL, e~phasizing the results of the most recent post-edltors' evaluation, and will briefly indicate some future directions for the system. A 6-page German ... Bennett, "The LRC Machine Translation System: An Application of S~ate -of- the-Art Text and Natural Language Processing Techniques to the Translation of Technical Manuals, " Working Paper ... quality machine translation system, for market introduction in 1985. This paper wlll describe the curren~ statn/s o f METAL, including the results of the most recent evaluation, and will briefly...
Ngày tải lên: 01/04/2014, 00:20
Báo cáo hóa học: " Research Article Performance Evaluation of WiMAX Broadband from High Altitude Platform Cellular System and Terrestrial Coexistence Capability" ppt
... (km) 2 4 6 8 10 12 14 16 18 20 22 24 Figure 14: UL CIR value of HAP system (CIR HT ) interfered by the terrestrial system. CDF of CIR H of different frequency reuse scheme in HAP cellular system 0 0.2 0.4 0.6 0.8 1 Pr (CIR ... Networking 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 12 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 24 CIR HT of HAP system interfered by terrestrial system (N = 4) −30 −20 −10 0 10 20 30 Distance from SPP of HAP (km) −30 −20 −10 0 10 20 30 Distance from SPP of HAP (km) 2 4 6 8 10 12 14 16 18 20 22 24 Figure ... Article Performance Evaluation of WiMAX Broadband from High Altitude Platform Cellular System and Terrestrial Coexistence Capability Z. Yang, A. Mohammed, and T. Hult School of Engineering, Blekinge Institute of...
Ngày tải lên: 21/06/2014, 23:20
báo cáo khoa học: "Evaluation of the new AJCC staging system for resectable hepatocellular carcinoma" pptx
Ngày tải lên: 09/08/2014, 02:21