process concept in operating system ppt by galvin
GNU/Linux Basic operating system ppt
Ngày tải lên :
08/03/2014, 23:20
... parameters.
Process handling
With the process handling
commands we can carry out
any action that interests us:
from pausing a specific user’s
processes, to eliminating those
we are not interested in or
making ... 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...
- 255
- 348
- 0
Báo cáo hóa học: " Research Article Adaptive Resource Allocation with Strict Delay Constraints in OFDMA System" ppt
Ngày tải lên :
21/06/2014, 11:20
... bounding constraints.
We propose a heuristic solution where in order to get a
good starting point we solve the problem by ignoring the
bounding constraints (26)and(27). This problem results in
output ... strategies to minimize queu-
ing delay for single-user single-carrier systems. Similarly
dynamic programming was adopted in [22] for scheduling
packets over a time-slotted single-user wireless link. Perhaps
the ... algorithm gives
the remaining power by w aterfilling while the algorithm
presented in [8] gives all the remaining resources to the user
with highest mean channel gain value.
In order to evaluate...
- 14
- 294
- 0
báo cáo hóa học:" Recombinant bromelain production in Escherichia coli: Process optimization in shake flask culture by Response Surface Methodology" pptx
Ngày tải lên :
21/06/2014, 17:20
... cases, early induction increases soluble protein production of some recombinant
proteins by limiting the culture growth rate (Delisa et al. 2001). This was supported by
the findings of Lim and ... encoding pineapple stem bromelain was initially cloned into
pENTR/TEV/D‐TOPO before being sub‐cloned into the expression vector pDEST17
(Invitrogen, USA). The expression vector containing recombinant ... recombinant proteins in
Escherichia coli is favoured by lower growth temperature. Biotechnol 6:291–4.
Shin CS, Hong MS, Bae CS, Lee J (1997) Enhanced production of human mini proinsulin
in fed-batch...
- 34
- 261
- 0
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 ... Transaction Processing and the Camelot System.
In Yakup Paker (editor), NATO Advanced Study Institute - Computer and Systems Sciences. Volume : Distributed Operating Systems:
Theory and Practice. Springer-Verlag, ... dramatic expansion in size, scope and complexity. The Alto operating system [22], a workstation
operating system of the early 70’s, occupied approximately 19K bytes, including code and data....
- 23
- 1.3K
- 1
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 ...
Module 1, “Introduction to Windows 2000 and Networking,” explains
networking concepts and describes how Windows 2000 and networking are
combined. The module introduces the concept of a domain and...
- 360
- 461
- 0
Tài liệu Neural Networks and Neural-Fuzzy Approaches in an In-Process Surface Roughness Recognition System for End Milling Operations pptx
Ngày tải lên :
23/01/2014, 01:20
... the training and testing.
16.4.2 ISRR-FN System
The structure of the ISRR-FN, as shown in Figure 16.8, consisted of the sensing system, machining
parameters, and ISRR-FN. In this sensing system, ... before or during machining.
The primary objective was to train the fuzzy system by generating fuzzy rules from input–output pairs,
and combining these generated and linguistic rules into a common ... Iowa (including Winnebago Co. in Forest City;
Delavan Inc. in Des Moines; Sauer-Sundstrand Inc. in Ames), point to the feasibility of in -process surface
roughness recognition (ISRR) systems for...
- 19
- 539
- 1
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,...
- 30
- 460
- 0
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 ... picture.
162 Chapter 5: Drawing
point1.Set(100.0, 80.0);
point2.Set(300.0, 80.0);
StrokeLine(point1, point2);
MovePenTo(point1);
MovePenBy(0.0, 130.0);
StrokeLine(point2);
}
Rectangles
The ... 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...
- 43
- 459
- 0
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 ... after clicking the Disable
Beeping checkbox.
Preparing the Window class for the checkbox
The MyHelloWindow.h file prepares for the window’s support of a button and a
checkbox by defining a constant ... with this process by now. To see the complete
MyHelloWindow constructor listing, refer to MyHelloWindow.cpp.
Handling the Messages
All application-defined control messages are handled in the body...
- 49
- 383
- 0
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 ... string view object, call the BStringView member
function Text():
const char *stringViewText;
stringViewText = theString->Text();
Aligning text in a string
By default, 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...
- 50
- 345
- 0