critical section problem in operating system ppt
GNU/Linux Basic operating system ppt
... functionalities of an operating system s kernel into totally separate inter-communicating programs. This makes it verymodular, which makes testing, detecting and correcting bugs, maintenance etc., ... file system hierarchyAny operating system needs to save numerous files: from system configurationfiles, to log files or user files etc. In general, each operating system uses its ownfile system ... to build an operating sys-tem similar to UNIX following the POSIX norms (Portable Operating System Interface). Although UNIX also had its own problems and faults, it was, andcontinues to be,...
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The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System
... 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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Tài liệu Microsoft® Windows® 2000 Network and Operating System Essentials ppt
... operating system software is integrated into a number of popular operating systems, including Microsoft Windows 2000, Windows NT, Windows 98, Windows 95, and Apple Macintosh. Information in ... network operating system. Just as a computer cannot operate without an operating system, a network of computers cannot operate without a network operating system. Every network operating system ... Depending upon the network operating system s manufacturer, a desktop computer’s networking software can be added either to the computer’s own operating system or be integrated with it. Network operating...
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Tài liệu Lab 6.2.7a Managing Switch Operating System Files pptx
... c2950-c3h2s-mz.120-5.3.WC.1.bin Destination filename [c2950-c3h2s-mz.120-5.3.WC.1.bin]? [enter] 3 - 6 CCNA 3: Switching Basics and Intermediate Routing v 3.0 - Lab 6.2.7a Copyright 2003, Cisco Systems, Inc. ... [U] System XMODEM upgrade [D] Download test subsystem (XMODEM) [T] System TFTP upgrade [X] Exit to Main Menu Enter Selection: 4 - 6 CCNA 3: Switching Basics and Intermediate Routing ... used in this classroom. Please check with the instructor for the operating instructions for the TFTP server used in place of the Cisco TFTP server. b. Once the TFTP server is running and...
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Tài liệu Programming the Be Operating System-Chapter 1: BeOS Programming Overview ppt
... that the work of maintaining a win-dow’s thread and of keeping a window informed of system messages (such as amouse button click in the window) is taken care of by the operating system. You’llbe ... implementing multitasking is for an operating system to employ preemptive multitasking. In a preemptive multitasking environ-ment the operating system can, and does, preempt currently running applications.With ... For instance,when a window is created in a program, the BeOS creates and maintains a sepa-rate thread for that one window.Multiprocessor SupportAn operating system that uses multithreading,...
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Tài liệu Programming the Be Operating System-Chapter 5: Drawing ppt
... LinesDrawing a line or lines is drawing at its most basic level. Points are used in speci-fying where a line should be drawn within a view.The BPoint classA point is represented by a BPoint ... 50.0);SetHighColor(redColor);SetPenSize(10.0);StrokeLine(start1, end1, stripePattern);PointAndLine example projectThe PointAndLine project is a simple exercise in moving the pen and drawinglines. The resulting program draws the two lines ... represent lines. Instead, linedrawing takes place using the BView member function StrokeLine(). Wheninvoking this function, you can use a pair of BPoint objects to specify the startand end points...
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Tài liệu Programming the Be Operating System-Chapter 6: Controls and Messages ppt
... click-ing on the Beep One button produces a single system beep. Clicking on thecheckbox disables beeping by disabling the button. The bottom window in Figure 6-7 shows how the program’s one window ... *fRadioBeep3; int32 fNumBeeps; MyRadioView *fMyRadioView;}; 178 Chapter 6: Controls and Messagesresults in that window invoking the BWindow hook function Zoom() to shrink orenlarge the window. ... message results in the affected view invoking the BView hook function MouseDown().Besides being the recipient of system messages, a window is also capable ofreceiving application-defined messages....
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Tài liệu Programming the Be Operating System-Chapter 8: Text ppt
... TextManipulating the Text in a StringOnce a string view object is created, its text can be altered using a variety ofBStringView member functions.Setting the text in a stringThe text of a BStringView ... continues on the following line. Textcan instead be forced to remain on a single line until a newline character (a hardreturn established by a press of the Return key) designates that a new line ... fTextView->SetStylable(true);}ScrollingText or graphics your application uses may not always fit within the confines of aview. Enter the scrollbar. The APIs for other operating systems that employ agraphical user interface include...
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Tài liệu Building a RISC System in an FPGA ppt
... remaining 32-bitassumptions inherited from mips.md,and arranged to store long ints in register pairs, and call helper routinesfor mul, div, rem, and some shifts.My port was up and running in ... do. List-ing 1 is the source for a binary treesearch routine, and Listing 2 is theassembly code lcc-xr16 emits.INSTRUCTION SETNow, let’s refine the instructionset and choose an instruction ... instruction encod-ing. My goals and constraints include:cover C (integer) operator set, fixed-size 16-bit instructions, easily de-coded, easily pipelined, with three-operand instructions (dest...
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Tài liệu Operating System Basics pptx
... compression technology shrinks files so they take up less disk space. ãUsing a compression utility, you can shrink multiple files into a single archive file.ãUtilities such as Windows' DriveSpace ... measured.ãIdentify two drive interface standards. This lesson includes the following sections:ã Average Access Time ã File Compression ã Data-Transfer Rate ã Drive-Interface Standards ... le s s o n 10 Re vie wãDefine average access time and explain how it is measured.ãExplain why file compression is a factor in drive performance.ãDefine data transfer rate and describe...
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Tài liệu Educator Supply and Demand in the South African Public Education System ppt
... reacting to the real probability of not getting a job after completing their education training. With the diminishing intake of new recruits into tertiary institution, lack of faith and interest ... about using condoms, faithfulness and abstaining but should increasingly address the issues of serial monogamy, HIV testing before engaging in unprotected sex, and having sexual partners within ... are enormous. In the education system, it translates, among other things, into shortages in education supply and increased costs of recruitment, training and development, and mentoring. Furthermore,...
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Tài liệu Báo cáo khoa học: "Resumption strategies for an in-vehicle dialogue system" ppt
... work-load.dialogue-inducedpossible driving-induceddriving-inducedlow workloadPage 1Figure 7: Workload while driver is resuming to theinterview domain.dialogue-inducedpossible driving-induceddriving-inducedlow ... respectively.dialogue-inducedpossibly driving-induceddriving-inducedlow workloadPage 1Figure 5: Workload while the driver is interruptingan interview topic.dialogue-inducedpossibly driving-induceddriving-inducedlow ... driver to interrupt dur-ing dialogue- or driving-induced workload, whilethe passenger rarely interrupts during dialogue-induced and never during driving-induced work-load.dialogue-inducedpossible...
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