Evolution of System Performance:
ISC, pipelining, cache memory, virtual memory
Historically, improvements in computer system performance have encompassed two distinct factors: improvements in speed and also improvements in the number of applications which can be run by the system. Of course, the two are interlinked given that high levels of speed are linked to expansions of short-term memory and the ability of computers to use that memory to perform critical functions. One notable early improvement in computer functionality was the development of ISC. ISC is an acronym for educed Instruction Set Computer. ISC is characterized by several distinct features, most notably pipelining which is "a technique that allows for simultaneous execution of parts, or stages, of instructions to more efficiently process instructions" and a larger number of registers which allows for the use of more generalized terms to process a wider variety of applications, versus the more specialized ones characteristic of other…...
mlaReferences
Cache. (2015). Computer Hope. Retrieved from:
http://www.computerhope.com/jargon/c/cache.htm
Chen, C., Novick G. & Shimano, K. (2000). MIPS. Stanford University. Retrieved from:
http://cs.stanford.edu/people/eroberts/courses/soco/projects/risc/mips/index.html
However, the company did feel it should develop its own Database infrastructure that would work with the new underlying database management system and would mesh with existing organizational skills and the selected enterprise software solution.
Because the company followed a standardized implementation process, they were able to successfully reengineer their existing business structure. The objective of the System Development Life Cycle is to help organizations define what an appropriate system development methodology should be in order for them to continue to meet the rapidly changing business environment. The specific research approach employed by International Lumberyards, Inc. was to follow the steps of the cycle and it helped them dramatically.
Conclusion
This report attempted to analyze a work-related project that used a systems analysis tool for a specific business system. The report focused on the use of the System Development Life Cycle to implement a business or information technology need as well as…...
mlaReferences
Grabski, Severin V. (2002). International Lumberyards, Inc.: An Information System Consulting Case. Journal of Information Systems, 9/22.
Knight, Ph.D., Linda V. (2001, November 1). System Development Methodologies for Web Enabled E-Business: A Customization Paradigm. Retrieved January 16, 2005, at http://www.kellen.net/SysDev.htm
Peacock, Eileen (2004). Accounting for the development costs of internal-use software. Journal of Information Systems, 3/22.
Wikopedia. (n.d.). System Development Life Cycle. Retrieved January 16, 2005, at http://en.wikipedia.org/wiki/System_Development_Life_Cycle
system development life cycle (SDLC) approach to the development of Information Systems and/or software is provided. An explanation of SDLC is offered, with different models applied in implementing SDLC delineated. Advantages and disadvantages associated with each of the models will be identified.
System Development Life Cycle
According to Walsham (1993), system development life cycle (SDLC) is an approach to developing an information system or software product that is characterized by a linear sequence of steps that progress from start to finish without revisiting any previous step. The SDLC model is one of the oldest systems development models and is still probably the most commonly used (Walsham, 1993). The SDLC model is basically a project management tool that is used to plan, execute, and control systems development projects (Whitten & Bentley, 1998). System development life cycles are usually discussed in terms of the conventional development using the waterfall model or the prototyping…...
mlaReferences survey of system development methods (1998). Center for Technology in Government,
Albany, NY: University at Albany, CTG Publication, pp. 1-13.
Ahituv, Niv & Neumann, Seev (1982). Principles of information systems for management. Dubuque, Iowa: Wm. C. Brown Company Publishers.
Hughes, P. (2002). SDLC models and methodologies. Information Systems Branch,
Ministry of Transportation, Governement of British Columbia, Victoria, BC, Canada.
Architecture
Naves During the Middle Ages -- Architectural Analysis
Timber Roof
From a structural perspective, the basic timber roof possesses some problems, most notably its relatively flimsy structural integrity. It is easy to construct, requiring less manpower to lift it and to construct its support network, but provides relatively little resistance to the elements of snow and the wind. It is functional in the sense that it performs the sheltering function of shielding the building's inner dwellers, and encloses the building from the open air, but aesthetically is not satisfactory in providing the sense of 'reaching up to the sky' so important in Medieval cathedrals of the era, and of some import in castles and other symbolically significant structures.
Longitudinal barrel vault
This is the simplest form of a vault, consisting of a continuous surface of semicircular or pointed sections. It resembles a barrel or tunnel that has been cut in half lengthwise.
It is more…...
Third myth is "the industry is going "plug and play" or "do-it-yourself" and does not require specific integration efforts, given greater systems diversity but "although experiments are underway to use cable modems and set-top controllers for more than just entertainment delivery, the current generation of devices does not pretend to be a true systems integration controller." Project managers and architecture designers are still necessary for electrical contractors to fully integrate existing systems. (Steinberg 2005)
System engineering is an interdisciplinary approach to systems integration. It aims to provide the means "to enable the realization of successful systems. It focuses on defining customer needs and required functionality early in the development cycle, documenting requirements, then proceeding with design synthesis and system validation while considering the complete problem." (INCOSE, 2004)
orks Cited
INCOSE. (2004) "hat is systems engineering." INCOSE website. Retrieved 13 March 2005 at http://www.incose.org/practice/whatissystemseng.aspx
Stiernberg, John. (2005) "Systems Integration." Sound and Contractor Magazine. Retrieved 13…...
mlaWorks Cited
INCOSE. (2004) "What is systems engineering." INCOSE website. Retrieved 13 March 2005 at http://www.incose.org/practice/whatissystemseng.aspx
Stiernberg, John. (2005) "Systems Integration." Sound and Contractor Magazine. Retrieved 13 March 2005 at http://www.svconline.com/mag/avinstall_systems_integration_appearing
System Design: Oahu Base Area Network
The aim of this paper is to examine and discuss the Navy's decision to build the largest local area network (LAN) connecting the U.S. Pacific Fleet using information-gathering techniques and design methods. The system has the capacity to connect sailors and marines within the 102-million square miles of the Pacific Fleet's command coverage. Moreover it will provide the indispensable access for supplying and training the U.S. Navy. The Oahu Base Area Network (OBAN) will be the largest LAN in the world when all the phases are complete. It was started way back in 1998. It is the supporting network for the six naval commands in the Pearl Harbor, Hawaii area. Phase one has been completed. Other phases have begun in San Diego, the Pacific Northwest and the Pacific Far East, following the original business model (Kaylor, 2000). The uniqueness of this system is in its…...
Systems Media Table: Comparison
System
Uses
Word processor
The main purpose of this program is to construct sentences of the perceived information and manipulate paragraphs to form a word document. The program uses a display format 'what-you-see-is-what-you-get' to enhance the quality of the expected hardcopy.
WordPerfect and Microsoft Word are mostly superseded by both organization and personal computers to perform functions such as word formatting, letter processing and some simple designing. Accordingly, it is the most frequently used program in day-to-day operation.
It is used to type the text, save, and format and print the text.
It is used to insert pictures into the text page.
It is used to spell check the text document.
It is used to prepare letters and other word documents.
Hierarchical database
This kind of database system is to display a structure that would relieve the presentation of information using parent to child relationship. The system is anticipated to store groups of parent/child relationships similar to…...
mlaReferences
AJ, W., & al, e. (2007). The role of decision aids in promoting evidence-based patient choice in Edwards A and Elwyn E (eds) Evidence-based patient choice:. O'Connor A and Edwards A.
European Commission DG Health and Consumer. (2012). Guidlines on the Qualification and Classification of Stand-alone Software used in Healthcare withing the Regulatory Framework of Medical Devices. Articles of Directive 93/42/EEC .
Eysenbach, G., Powell, J., Gunter, T.D., & Terry, N.P. (2005). The Emergence of National Electronic Health Record Architectures in the United States and Australia: Models, Costs, and Questions. Journal of Medical Internet Research: The Leading Peer-reviewed Internet Journal.
Fesenko, N. (2007). Compression Technologyes of Graphic Information. International Journal "Information Theories & Applications."
Open source is different than the similar free software movement because it is based on technical, rather than political motivations. The underlying philosophy of the free software movement is that it is morally wrong to restrict access to source code or prohibit making changes to software. The open source movement is based on the idea that making code public improves its quality because a much larger number of people have the ability to find defects and improve the software. Linux author Linus Torvalds compares traditional proprietary software to witchcraft, where a few individuals have secret information that gives them an advantage over everyone else. Torvalds compares open source software to science, in which researchers share their results to allow for independent review of the results.
ibliography
McNurlin & Sprague R (2004). Information Systems Management in Practice (6th Ed.). Upper Saddle River, NJ: Prentice…...
mlaBibliography
McNurlin B & Sprague R (2004). Information Systems Management in Practice (6th Ed.). Upper Saddle River, NJ: Prentice Hall
System Implementation - Oahu ase Area Network
System Implementation: Oahu ase Area Network
The wireless local area network (WLAN) in the Oahu ase Area Network is made up of several different subsystems. The inputs to the system will be desktop computers, laptop computers, and embedded systems (fixed and mobile). Each client has a wireless network card that can communicate with an access point (AP). The AP manages WLAN traffic and physically connects the wireless system to the wired local area network (LAN). The wired LAN will then send the requested information back to the access points, which will relay it to the appropriate client (Conover, 2000).
The system has three modes of operation:
Op-Mode: This is the standard operating mode for system operation. The mode consists of interaction between clients and one or more server. The clients are wireless devices such as laptops, desktops and tele-robtics platforms. Servers are access points that connect the…...
mlaBibliography
Conover, J. (2000, July). "Wireless LANs Work Their Magic." Network Computing. Retrieved 16, January, 2004 from Internet site http://www.networkcomputing.com/1113/1113f2.html
Curtis, G., Hoffer, J. George, J., Valacich, J. (2002). Introduction to Business Systems Analysis
University of Phoenix Custom Edition). New Jersey, NJ: Pearson Custom Printing.
Galik, D. (1998, April). "Defense in Depth: Security for Network-Centric Warfare." Chips
Currently, the cytotoxicity of chrysotile, which is a type of asbestos, as well as Rockwool along with other man-made vitreous fibers (MMVFs) have been evaluated by cell magnetometry. This method established cytoskeleton-dependent functions of macrophages, which contribute to a significant role in phagocytosis, and is used to assess the degree of harm caused on macrophages (Kudo, Kotani, Tomita and Aizawa, 2009).
Biological consequences of MMVFs have to be looked at not only at the cell level but also in the lung. To date there have been no studies done to look at the safety of Rockwool by way of lung magnetometry. In a study done by Kudo, Kotani, Tomita and Aizawa, 2009, rats were forced to inhale Rockwood a nose-only inhalation exposure system, and then looked at by lung magnetometry, a biopersistence test and pathological examination. The well-being features and safe utilization of mineral wools have been looked at for almost…...
mlaWorks Cited
Baldwin, Stephen Andrew. (2010). "List of Materials to Build a Vocal Booth," viewed 20
October 2010, < http://www.ehow.com/list_6299897_list-materials-build-vocal-booth.html>
"CSR Building Materials Rockwool Insulation," 2008, viewed 20 October 2010,
Ideally, Zachman thinking pattern has been challenged by time and fails to address challenges in a real-time basis collectively. Such a basis would agree that a superior usage of technology is not near-change mechanism. Zachman argues that a communication breakdown exists in the organization (by that time) because it handled the frameworks differently. This was not in line with the requirements of a desirable organization. Further to this, communication channels inside the organization have improved and not according to Zachman's times in the 21st century. While responding to Zachman, it is good to establish whether the current approach (data modeling / and hybridism for large calls and the superior application of technology) is satisfying (Bowman, Godfrey, & Holt, 2000).
As a result, future studies should apply the future design system that will integrate Zachman's ideas into real time environment whilst acknowledging the impetus behind data modeling. The following research questions…...
mlaReferences
Bigot, L.L., Jamet, E., Rouet, J., & Amiel, V. (2006). Mode and modal transfer effects on Performance and discourse organization with an information retrieval dialogue system in natural language. Computers in Human Behavior, 22(3), 467-500.
Bowman, I., Godfrey, M., & Holt, R. (2000). Connecting architecture reconstruction frameworks. Information and Software Technology, 42(2), 91-102
Huysman, M. (2000). Rethinking organizational learning: analyzing learning processes of information system designers. Accounting, Management and Information Technologies, 10(2), 81-99
Raeesi, M., & Sadeghi-Niaraki, A. (2013). Gis-Based System For Post-Earthquake Crisis Management Using Cellular Network. ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, XL-1/W3, 321-325.
From that vantage point it is clear that EP systems may not be able to provide the depth and breath of unification that is possible with more advanced approaches to using it systems.
Another drawback or con of using EP systems has the catalyst of creating a more unified socio-technical system is the fact that they are often implemented and measured on a department or functional basis first. Interpolating their performance to strategic initiatives has never been particularly easy; using them to unify a sociotechnical system could be daunting. Underscoring these aspects is the need for creating a more effective approach to change management so that equilibrium is attained in each subsystem of a socio-technical system (Manz, Stewart, 1997). Finally, EP systems are often extremely difficult to customize and upgrade over time, which has made many obsolete, delivering just 60% of the total value of information they are capable of.…...
mlaReferences
Amrit, C., & Van Hillegersberg, J. (2010). Exploring the impact of socio-technical core-periphery structures in open source software development. Journal of Information Technology, 25(2), 216-229
Appelbaum, S.H. (1997). Socio-technical systems theory: An intervention strategy for organizational development. Management Decision, 35(6), 452-463.
Bloomfield, B.P., & Vurdubakis, T. (1994). Re-presenting technology: IT consultancy reports as textual reality constructions. Sociology: The Journal of the British Sociological Association, 28(2), 455-455.
Carlsson, S.A., Henningsson, S., Hrastinski, S., & Keller, C. (2011). Socio-technical IS design science research: Developing design theory for IS integration management. Information Systems and eBusiness Management, 9(1), 109-131.
Information System Briefing
the Process of selecting & acquiring an Information System (IS) for Healthcare:
Any medical organization planning to go for an IS must choose an efficient Electronic Patient ecord -- EP which is the starting point of any computerized system. Effectiveness of the following points must drive the process of selection and acquisition of an IS. These are (i) Patient care which is the documented record of every patient undergoing process at the medical care unit. (ii) Communication: Patient records constitute and important means through which doctors, nurses and other are able to communicate with one another regarding patient requirements. (iii) Legal documentation: Legal documentation is important as these keep track document care as well as treatment, can become legal records. (iv) Billing and reimbursement: Patient record delivers the documentation which is used by patients to verify billed services. (v) esearch and quality management: Patient records are used in a…...
mlaReferences
Anderson, James. G; Aydin, Carolyn. (2005) "Evaluating the Organizational Impact of Healthcare Information Systems" Springer.
Keshavjee, K; Bosomworth, J; Copen, J. (2006) "Best practices in EMR implementation"
AMIA Annu Symp Proc. 2006; 2006: 982. compete-study.com [PDF]
Wager, Karen A; Lee, Frances W; Glase, John P. (2009) "Healthcare Information System -- A
Enterprise Architecture
Barratt, C.C., Acheson, P., & Luken, E. (2010). eference models in the electronic library: The Miller Learning Center at the University of Georgia. eference Services eview 8(1), 44
The authors of this article provide the most effective ways of providing support to the patrons of the large university to ease the undertaking of activities within its electronic library. The authors conducted research to evaluate the effectiveness of different models of providing research services for the students in a large research university, hence, its strength. The study is important for the study as it provides information about the different models that can be used in providing a better architecture for a research library for the universities involved in research.
Author Note: the authors have vast experiences as librarians and researchers in different universities. Barratt works with the Miller Learning Center as an instruction librarian. Acheson works with Public library of Cincinnati and…...
mlaReferences
Kasmaee, F.K., Nassiri, R., & Shabgahi, G.L. (2010). Achieving CMMI Maturity Level 3 by Implementing FEAF Reference Models. International Journal of Advancements in Computing Technology, 2(4), 115-122.
A Comparison of the Top Four Enterprise-Architecture Methodologies. (n.d.). A Comparison of the Top Four Enterprise-Architecture Methodologies. Retrieved June 20, 2014, from http://msdn.microsoft.com/en-us/library/bb466232.aspx
Huysman, M. (2000). Rethinking organizational learning: analyzing learning processes of information system designers. Accounting, Management and Information Technologies, 10 (2), 81-99.
Inmon, W.H., Strauss, D., & Neushloss, G. (2008). DW 2.0 the architecture for the next generation of data warehousing. Amsterdam: Morgan Kaufmann/Elsevier.
.. (p. 333)."
Subtopics
Workload Quantification
The first subtopic in this area is the scalability of agent-based architectures supporting transaction-based Web Services. Specifically focusing on transaction velocities' cumulative effects on Web Services and agent-based architecture performance, this area of the research looks to validate or refute a series of hypotheses that will be used for constructing a Web Services transaction performance model.
The second topic in workload quantification is measuring network path optimization and ACID-compliant aspects of transaction flows based on secured Web Services. Specifically examining the stability and security of a transaction-centric networks using Web Services at the application layer and agent-based architectures that seek network and transaction optimization while interpreting and countering potential security threats is the research objective. Using constraint modeling to define the optimal mix of these attributes form the foundation of the methodology for researching this second subtopic.
Middleware
The first subtopic is an assessment of SOAP's contribution or detraction of…...
Our semester plans gives you unlimited, unrestricted access to our entire library of resources —writing tools, guides, example essays, tutorials, class notes, and more.
Get Started Now