chapter 20 operating system integration with air
Chapter 2 Operating-system structures
Ngày tải lên :
13/05/2014, 00:36
... Operating -System Structures Operating System Services User Operating System Interface System Calls Types of System Calls System Programs Operating System Design and Implementation Operating System ... used Operating System Concepts – 7th Edition, Jan 14, 2005 2.11 Silberschatz, Galvin and Gagne ©2005 System Call Implementation Typically, a number associated with each system call System- call interface ... system is defined by system programs, not the actual system calls Operating System Concepts – 7th Edition, Jan 14, 2005 2.20 Silberschatz, Galvin and Gagne ©2005 Solaris 10 dtrace Following System...
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Operating System Concepts - Chapter 2: Operating-System Structures doc
Ngày tải lên :
28/06/2014, 02:20
... Operating -System Structures Operating System Services User Operating System Interface System Calls Types of System Calls System Programs Operating System Design and Implementation Operating System ... used Operating System Concepts – 7th Edition, Jan 14, 2005 2.11 Silberschatz, Galvin and Gagne ©2005 System Call Implementation Typically, a number associated with each system call System- call interface ... system is defined by system programs, not the actual system calls Operating System Concepts – 7th Edition, Jan 14, 2005 2.20 Silberschatz, Galvin and Gagne ©2005 Solaris 10 dtrace Following System...
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chapter 12 operating system - university of technology
Ngày tải lên :
18/10/2014, 15:30
... up the count Space-Time Trade-offs (3) (a) Part of an uncompressed image with 24 bits per pixel (b) Same part compressed with GIF, bits per pixel (c) The color palate Caching Part of an i-node ... Paradigms (2) Event-driven code Implementation Layer One possible design for a modern layered operating system Naming Directories are used to map external names onto internal names Static Versus Dynamic ... design progresses in stages The Role of Experience (2) • Alternative design produces a working system – that does nothing starting on day 1 ...
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Bài giảng hệ điều hành nâng cao chapter 2 operating system structures
Ngày tải lên :
03/12/2015, 17:14
... Chapter 2: Operating -System Structures ■ Operating System Services ■ User Operating System Interface ■ System Calls ■ Types of System Calls ■ System Programs ■ Operating System Design and Implementation ... Design and Implementation ■ Operating System Structure ■ Virtual Machines ■ Operating System Debugging ■ Operating System Generation ■ System Boot Operating System Concepts – th Edition 2.2 Silberschatz, ... being used Operating System Concepts – th Edition 2.14 Silberschatz, Galvin and Gagne ©2009 System Call Implementation ■ Typically, a number associated with each system call ● ■ System- call interface...
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Operating System Concepts - Chapter 20: Multimedia Systems pot
Ngày tải lên :
28/06/2014, 02:20
... slow connections (56 Kbps) Operating System Concepts – 7th Edition, Jan 2, 2005 20.9 Silberschatz, Galvin and Gagne ©2005 Operating Systems Issues The operating system must guarantee the specific ... Scheduling (3) File systems (4) Network protocols Operating System Concepts – 7th Edition, Jan 2, 2005 20.11 Silberschatz, Galvin and Gagne ©2005 Requirement of Multimedia Operating Systems There are ... connection with the client Operating System Concepts – 7th Edition, Jan 2, 2005 20.21 Silberschatz, Galvin and Gagne ©2005 Figure 20.1 Streaming media from a conventional web server Operating System...
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Programming the Be Operating System-Chapter 9: Messages and Threads
Ngày tải lên :
17/10/2013, 19:15
... clipboard without any intervention on the part of the user Application-Defined Messages Up to this point, you’ve dealt mostly with system messages—messages generated and dispatched by the system ... clipboard without pasting it anywhere, you can so by directly accessing the clipboard To fully appreciate how to work with the clipboard, you’ll want to read this chapter’s “Working with BMessage ... fills in the list object with an item for each currently running application with the matching signature To know what to next, you need at least a passing familiarity with the BList class, a class...
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Programming the Be Operating System-Chapter 10: Files
Ngày tải lên :
20/10/2013, 10:15
... data using Be classes to work with the file’s path and standard POSIX functions for performing the actual data writing Here I’ll dispense with the POSIX and go with the BFile class The last example, ... different purposes, and one part can be manipulated without affecting the other part For instance, a file’s entry (its pathname) can be altered without changing the file’s node (its contents, or ... the location of a file before it can work with it The entry_ ref data structure is used to keep track of the entry, or entries, your program is to work with A Be program relies on an object of...
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Tài liệu Chapter 2: Software & Operating System ATHENA doc
Ngày tải lên :
20/01/2014, 22:20
... Operating systems, utilities, and drivers ATHENA Operating System Overview: What is an operating system ? An operating system (OS) is the master controller for all of the activities that take place within ... Operating System) was developed by Microsoft ATHENA Personal Computer Operating Systems Different operating systems are needed for different computing tasks: • Single-user operating system – Ex: ... ATHENA Personal Computer Operating Systems Windows, Mac OS, Linux, Unix, and DOS What’s the best-selling operating system? ATHENA Personal Computer Operating Systems Microsoft Windows is the most...
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Tài liệu Programming the Be Operating System-Chapter 1: BeOS Programming Overview ppt
Ngày tải lên :
26/01/2014, 07:20
... coupled with the system s ability to assign threads to processors based on the current load on each processor, makes for a system with very high performance Preemptive Multitasking An operating system ... for an operating system to employ preemptive multitasking In a preemptive multitasking environment the operating system can, and does, preempt currently running applications With preemptive multitasking, ... aborted program Worse still, it could result in the entire system crashing 4 Chapter 1: BeOS Programming Overview An operating system with protected memory gives each running program its own memory...
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Tài liệu Programming the Be Operating System-Chapter 2: BeIDE Projects docx
Ngày tải lên :
26/01/2014, 07:20
... holds the header files that provide the BeIDE compiler with an interface to the software kits Within the headers folder is a folder named be Within that folder you’ll find one folder for each software ... BeOS, so this library is a part of the Be operating system rather than a file included with the BeIDE environment Library filenames will be prefaced with an indicator as to the project’s target platform ... with one another Because my intent here is to provide an overview of what a project consists of (as opposed to exploring the useful and exciting things that can be accomplished via the code within...
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Tài liệu Programming the Be Operating System-Chapter 3: BeOS API Overview doc
Ngày tải lên :
26/01/2014, 07:20
... you’ll work with in Chapter 6, Controls and Messages) include BCheckBox, BRadioButton, and BPictureButton 78 Chapter 3: BeOS API Overview Storage Kit All operating systems provide file system capabilities—without ... operating system The system is responsible for calling a hook function, while your application is responsible for defining the functionality of that function Overloaded operators Along with member ... the newer BeOS kits, and is incomplete as of this writing Working with the OpenGL classes requires some previous experience with OpenGL Game Kit Like the OpenGL Kit, the Game Kit is incomplete...
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Tài liệu Programming the Be Operating System-Chapter 4: Windows, Views, and Messages doc
Ngày tải lên :
26/01/2014, 07:20
... Coordinate System In order to specify where a window is to be placed on the screen and where a view is to be placed within a window, a coordinate system is required Global coordinate system To ... location within the content area of the window This is possible because a window has its own Views 123 coordinate system one that’s independent of the global screen coordinate system The type of system ... onscreen, or where a view is within a window—the drawing will take place using the view’s own coordinate system Like the global and window coordinate systems, the view coordinate system is one of floating...
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Tài liệu Programming the Be Operating System-Chapter 5: Drawing ppt
Ngày tải lên :
26/01/2014, 07:20
... because it is a color system with which many programmers and end users are familiar with (it’s common to several operating systems) The BeOS defines rgb_color as a struct with four fields: typedef ... c, so the binary pair translates to the hexadecimal pair cc The hexadecimal values for each remaining row are determined in the same manner If you’re proficient at working with hexadecimal values, ... Show(); } Drawing in a view takes place automatically when the system calls the view’s Draw() routine That function is the code I play with in order to try out drawing ideas Here’s how the RGBColor...
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Tài liệu Programming the Be Operating System-Chapter 6: Controls and Messages ppt
Ngày tải lên :
26/01/2014, 07:20
... message constant name with “B_” In this book’s examples, I have chosen to use a fairly informative convention in choosing symbols for application-defined control messages: start with the control type, ... messages you’ve paired with the window’s controls Your BWindowderived class should thus what the BWindow class does: override the inherited version of MessageReceived() and, within the new implementation ... parameter, no text initially appears in the editable field As with all control types, you must define a unique message constant that will be paired with the control To assist in keeping track of the text...
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Tài liệu Programming the Be Operating System-Chapter 7: Menus docx
Ngày tải lên :
26/01/2014, 07:20
... Working with Menus 255 Keyboard triggers A menu item can optionally be supplied with a shortcut key to benefit users who prefer the keyboard over the mouse But every menu item is supplied with a ... menubar can have items with the same trigger A menu item’s trigger is assigned to the item by the system, so your program doesn’t have to worry about which items end up with which triggers If ... width of the window, as expected, and holds a menu with a single menu item in it Choosing the Beep Once item from the Audio menu sounds the system beep Figure 7-2 The SimpleMenuBar program’s...
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Tài liệu Programming the Be Operating System-Chapter 8: Text ppt
Ngày tải lên :
26/01/2014, 07:20
... present You’re most familiar with the system message: a message that has a corresponding hook function to which the system passes the message A different type of message the system recognizes and reacts ... scrollbar with a pair of scroll arrows on each end, or just one With that in mind, you’ll note that the look of the scrollbars in this chapter’s figures differs (compare Figure 8-11 with Figure ... uses may not always fit within the confines of a view Enter the scrollbar The APIs for other operating systems that employ a graphical user interface include routines to work with scrollbars, but...
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Chapter 1 Introduction to Routing and Packet ForwardingRouting Protocols and Concepts quangkien@gmail.com.Topicsl Inside the Router Ÿ Routers are computers Ÿ Router CPU and Memory Ÿ Internetwork Operating System Ÿ Router Bootup Process Ÿ Router Ports doc
Ngày tải lên :
09/03/2014, 13:20
... boot system commands in startup-config file (NVRAM) If boot system commands in startup-config a Run boot system commands in order they appear in startup-config to locate the IOS b If boot system ... IOS - Internetwork Operating System l Responsible for managing the hardware and software resources: Ÿ Allocating memory Ÿ Managing processes Ÿ Security Ÿ Managing file systems l Many different IOS ... Router model Ÿ IOS features l Example IPv6 or a routing protocol such as Intermediate System to–Intermediate System (IS-IS) 11 Router Bootup Process (more in later course) 12 Bootup Process running-config...
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Chapter 1 Introduction Operating System
Ngày tải lên :
13/05/2014, 00:36
... Chapter 1: Introduction s What Operating Systems Do s Computer -System Organization s Computer -System Architecture s Operating -System Structure s Operating -System Operations s Process Management ... system is good approximation q s But varies wildly “The one program running at all times on the computer” is the kernel Everything else is either a system program (ships with the operating system) ... all aspects of system q Loads operating system kernel and starts execution Operating System Concepts – 7th Edition, Jan 12, 2005 1.9 Silberschatz, Galvin and Gagne ©2005 Computer System Organization...
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Operating System Concepts - Chapter 1: Introduction.Chapter 1: IntroductionWhat Operating Systems Do Computer-System pot
Ngày tải lên :
28/06/2014, 02:20
... Chapter 1: Introduction What Operating Systems Do Computer -System Organization Computer -System Architecture Operating -System Structure Operating -System Operations Process Management Memory ... operating system is good approximation But varies wildly “The one program running at all times on the computer” is the kernel Everything else is either a system program (ships with the operating system) ... all aspects of system Loads operating system kernel and starts execution Operating System Concepts – 7th Edition, Jan 12, 2005 1.9 Silberschatz, Galvin and Gagne ©2005 Computer System Organization...
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Operating System Concepts - Chapter 3: Processes ppt
Ngày tải lên :
28/06/2014, 02:20
... Client-Server Systems Operating System Concepts - 7th Edition, Feb 7, 2006 3.2 Silberschatz, Galvin and Gagne ©2005 Process Concept An operating system executes a variety of programs: Batch system – ... loaded into it UNIX examples fork system call creates new process exec system call used after a fork to replace the process’ memory space with a new program Operating System Concepts - 7th Edition, ... associated with exactly one pair of communicating processes Between each pair there exists exactly one link The link may be unidirectional, but is usually bi-directional Operating System Concepts...
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