critical section problem in operating system ppt
GNU/Linux Basic operating system ppt
Ngày tải lên :
08/03/2014, 23:20
... functionalities of an operating
system s kernel into totally separate inter-communicating programs. This makes it very
modular, which makes testing, detecting and correcting bugs, maintenance etc., ... 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 uses its own
file 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, and
continues to be,...
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The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System
Ngày tải lên :
12/09/2012, 15:05
... University
Pittsburgh, PA 15213
Appeared in Proceedings of the 11th Operating Systems Principles,
November, 1987
Abstract
Mach is a multiprocessor operating system being implemented at Carnegie-Mellon ... shadowing, the data is instead copied from the original.
1
1. 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
Ngày tải lên :
09/12/2013, 17:15
... 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
Ngày tải lên :
24/01/2014, 19:20
... 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
Ngày tải lên :
26/01/2014, 07:20
... that the work of maintaining a win-
dow’s thread and of keeping a window informed of system messages (such as a
mouse button click in the window) is taken care of by the operating system. You’ll
be ... 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 Support
An operating system that uses multithreading,...
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Tài liệu Programming the Be Operating System-Chapter 5: Drawing ppt
Ngày tải lên :
26/01/2014, 07:20
... Lines
Drawing 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 class
A point is represented by a BPoint ... 50.0);
SetHighColor(redColor);
SetPenSize(10.0);
StrokeLine(start1, end1, stripePattern);
PointAndLine example project
The PointAndLine project is a simple exercise in moving the pen and drawing
lines. The resulting program draws the two lines ... represent lines. Instead, line
drawing takes place using the BView member function StrokeLine(). When
invoking this function, you can use a pair of BPoint objects to specify the start
and end points...
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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
... click-
ing on the Beep One button produces a single system beep. Clicking on the
checkbox 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 Messages
results in that window invoking the BWindow hook function Zoom() to shrink or
enlarge 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 of
receiving application-defined messages....
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Tài liệu Programming the Be Operating System-Chapter 8: Text ppt
Ngày tải lên :
26/01/2014, 07:20
... Text
Manipulating the Text in a String
Once a string view object is created, its text can be altered using a variety of
BStringView member functions.
Setting the text in a string
The text of a BStringView ... continues on the following line. Text
can instead be forced to remain on a single line until a newline character (a hard
return established by a press of the Return key) designates that a new line ... fTextView->SetStylable(true);
}
Scrolling
Text or graphics your application 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...
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Tài liệu Building a RISC System in an FPGA ppt
Ngày tải lên :
26/01/2014, 14:20
... remaining 32-bit
assumptions inherited from mips.md,
and arranged to store long ints in
register pairs, and call helper routines
for mul, div, rem, and some shifts.
My port was up and running in ... do. List-
ing 1 is the source for a binary tree
search routine, and Listing 2 is the
assembly code lcc-xr16 emits.
INSTRUCTION SET
Now, let’s refine the instruction
set 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
Ngày tải lên :
16/02/2014, 08:20
... compression technology shrinks files so they take
up less disk space.
ã
Using a compression utility, you can shrink multiple
files into a single archive file.
ã
Utilities such as Windows' DriveSpace ...
measured.
ã
Identify 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 w
ã
Define average access time and explain how it is
measured.
ã
Explain why file compression is a factor in drive
performance.
ã
Define data transfer rate and describe...
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Tài liệu Educator Supply and Demand in the South African Public Education System ppt
Ngày tải lên :
19/02/2014, 00:20
... 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
Ngày tải lên :
20/02/2014, 04:20
... work-
load.
dialogue-
induced
possible
driving-
induced
driving-
induced
low
workload
Page 1
Figure 7: Workload while driver is resuming to the
interview domain.
dialogue-
induced
possible
driving-
induced
driving-
induced
low ... respectively.
dialogue-
induced
possibly
driving-
induced
driving-
induced
low
workload
Page 1
Figure 5: Workload while the driver is interrupting
an interview topic.
dialogue-
induced
possibly
driving-
induced
driving-
induced
low ... driver to interrupt dur-
ing dialogue- or driving-induced workload, while
the passenger rarely interrupts during dialogue-
induced and never during driving-induced work-
load.
dialogue-
induced
possible...
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