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Chapter 4 IT Infrastructure: Hardware and Software

We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you! Published by Griffin Elliott Modified over 3 years ago. These applications are considered to be part of IT infrastructure. Traditionally, large firms were the most prominent users of enterprise software, but firms such as Microsoft are trying to move into the untapped market of small- and medium-size businesses that might benefit from less expansive versions of the same software.

Students at this point should be able to appreciate the sheer size of the company. The trend since the late s has been to reduce the number of servers by increasing their size and power. Multi-core processors and blade servers are two ways in which server power can be radically increased without increasing the footprint or the power requirements.

This is a task that firms struggle to achieve on their own, which drives the need for these services. The MIS course provides students with an excellent background to be a business systems consultant. Most business consulting today involves developing business processes and supporting systems. One recent report found that MIS majors were the most satisfied group of college graduates because their education led directly to a job!

The survey, which was conducted by PayScale. Psychology majors at 26 percent were the least satisfied. Increasingly, employees are telling the IT department what tools they want to use, and demanding that IT support these tools. Virtualization allows organizations to optimize their use of resources in new ways, and also to take advantage of spare computing power by allowing a single resource to act as multiple resources.

A transaction is a very small unit of a program and it may contain several lowlevel tasks. Consistency, A transaction either creates a new and valid state of data, or, if any failure occurs, returns all data to its state before the transaction was started. Isolation, A transaction in process and not yet committed must remain isolated from any other transaction. CA, CP, AP Consistency: Every read receives the most recent write or error Availability: Every request receives a non-error response without guarantee that it contains the most recent writ.

Partition tolerance: The system continues to operate despite an arbitrary number of messages being dropped or delayed by the network between nodes. Ask students why one would want to store social media data in a non-relational database? The answer: social media involves many different file types, and the information is not easily organized into tables of columns and rows. A primary answer is scalability—you pay only for the exact services you need. This includes mobile devices such as smartphones.

One way to get to work together is to build software links among them. This is the Web services approach see the next slide on service-oriented architecture. You can compare it to the Web: any computer with a browser can access billions of Web pages and draw down the information, or download PDF files that work on all computers that have a version of Adobe acrobat installed. In a business firm, you want a similar environment: any computer program can get data from any other computer program.

Web services makes this possible. These include classifying, presenting, communicating, and storing data, as opposed to HTML being able to merely present data.

These features also allow computers to manipulate documents written in XML automatically. Does this remind students of autonomic computing? All programs are built or redesigned to provide certain information services to all other programs. With SOA, developers incorporate each individual service into an application that successfully meets the needs of the organization.

How should IT department be organized? Centralized Central IT department makes decisions Decentralized Business unit IT departments make own decisions How are costs allocated between divisions, departments? What are the ramifications of poor IT governance at a firm?

For example, if a company does not clearly define what departments have the responsibility to make their own IT decisions, what could be the consequences?

Some potential consequences are data mismanagement, poor communication, and slower response times to crises. Possibly, companies with seasonal employees or semi-annual workloads. What differences between the two can students point to? TCO is a way of quantifying some of the hidden costs of hardware. Ask students to make the connection between the TCO of handling software and hardware infrastructure internally as opposed to acquiring it from an outside vendor. Is this an additional incentive to outsource?

Is it wise to rely on those factors alone to determine what kind of services your firm provides? In fact, your entire industry might be technological laggards. In this case, it might be better to look at best practices in other industries which have a reputation for superior IT services and capabilities.

Do they feel that any one of the six is especially important or unimportant? You can also use this diagram as a framework for understanding why some firms fail to develop a workable, powerful IT infrastructure. Training and education 2. Consulting 3. Travel 4. Hardware 5. Chapter 3 Software. Learning Objectives Upon successful completion of this chapter, you will be able to: Define the term software Describe the two primary. Similar presentations.

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Chapter 4 IT Infrastructure: Hardware and Software

Identify and describe the stages and technology drivers of IT infrastructure evolution. Assess contemporary computer hardware platform trends. Assess contemporary software platform trends. Evaluate the challenges of managing IT infrastructure and management solutions. IT Infrastructure Defining IT infrastructure: Set of physical devices and software required to operate enterprise Set of firmwide services including: Computing platforms providing computing services Telecommunications services Data management services Application software services Physical facilities management services IT management, standards, education, research and development services.

Identify and describe the stages and technology drivers of IT infrastructure evolution. Assess contemporary computer hardware platform trends. Assess.

5. IT Infrastructure and Emerging Technologies

Home About My account Contact Us. Each chapter concludes with a Review Summary and Review Questions organized around these study questions, and each major chapter section is based on a Learning Objective. The text uses only current examples from business and public organizations to illustrate important concepts in each chapter. Cloud Computing: Updated and expanded coverage of cloud computing is included in Chapter 5 IT infrastructure , with more detail on types of cloud services, private and public clouds, hybrid clouds, managing cloud services, and a new Interactive Session on using cloud services.

We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you! Published by Griffin Elliott Modified over 3 years ago.

Identify and describe the stages and technology drivers of IT infrastructure evolution.

IT03. IT Infrastructure and Emerging Technologies.pptx

We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you! Published by Rosalyn Ramsey Modified over 5 years ago. Andrew P.

We have identified five stages in this evolution, each representing a different configuration of computing power and infrastructure elements see Figure These eras do not necessarily end for all organizations at the same time, and the technologies that characterize one era may also be used in another time period for other purposes. For example, some companies still run traditional mainframe or minicomputer systems.

5. IT Infrastructure and Emerging Technologies

Laudon, Kenneth C. Information Technology IT has transformed all aspects of 21 st century business and everyday life. It is vital that future managers in every area of business have a working knowledge of modern IT, practical experience in its use, and management perspective on how IT is used in organizations. This course introduces information technologies that are critical to modern business, and discuss applications in various aspects of business operations.

Он же знал, что Фонтейн в отъезде, и решил уйти пораньше и отправиться на рыбалку. - Да будет тебе, Мидж.  - Бринкерхофф посмотрел на нее осуждающе.

Он лишь хотел, чтобы восторжествовала правда. Это касалось ТРАНСТЕКСТА. Это касалось и права людей хранить личные секреты, а ведь АНБ следит за всеми и каждым. Уничтожение банка данных АНБ - акт агрессии, на которую, была уверена Сьюзан, Танкадо никогда бы не пошел.

Chapter 5: IT Infrastructure and Emerging Technologies

Тишина. Он тихонько толкнул дверь, и та отворилась. Беккер с трудом сдержал крик ужаса.

Она вошла. - Коммандер? - позвала Сьюзан. Свет внутри исходил лишь от светящихся компьютерных мониторов Стратмора.  - Коммандер! - повторила.  - Коммандер.

Нацисты сконструировали потрясающую шифровальную машину, которую назвали Энигма. Она была похожа на самую обычную старомодную пишущую машинку с медными взаимосвязанными роторами, вращавшимися сложным образом и превращавшими открытый текст в запутанный набор на первый взгляд бессмысленных групп знаков. Только с помощью еще одной точно так же настроенной шифровальной машины получатель текста мог его прочесть.

Это абсолютно исключено. - Спасибо. Джабба выдавил из себя смешок и попытался обратить все в шутку.

 То есть вы хотите сказать, Танкадо не волновало, что кто-то начнет разыскивать Северную Дакоту, потому что его имя и адрес защищены компанией ARA. - Верно. Сьюзан на секунду задумалась. - ARA обслуживает в основном американских клиентов.

 Джабба, мне не до шуток. - Ну хорошо, - сказал он, приподнимаясь на локтях.  - Может быть, у них закоротило генератор. Как только освобожусь, загляну в шифровалку и… - А что с аварийным питанием. Если закоротило генератор, почему оно не включилось.

 Порядок, - усмехнулся. Завладеть персональными кодами компьютеров Третьего узла было проще простого. У всех терминалов были совершенно одинаковые клавиатуры. Как-то вечером Хейл захватил свою клавиатуру домой и вставил в нее чип, регистрирующий все удары по клавишам. На следующее утро, придя пораньше, он подменил чужую клавиатуру на свою, модифицированную, а в конце дня вновь поменял их местами и просмотрел информацию, записанную чипом.

Беккер встал и потянулся. Открыв полку над головой, он вспомнил, что багажа у него. Времени на сборы ему не дали, да какая разница: ему же обещали, что путешествие будет недолгим - туда и обратно. Двигатели снизили обороты, и самолет с залитого солнцем летного поля въехал в пустой ангар напротив главного терминала. Вскоре появился пилот и открыл люк.

Успокойся, Дэвид. Спокойно. Он оглядел пустой зал. Ни души. Продала кольцо и улетела.

 Вы заплатили ему десять тысяч долларов? - Она повысила голос.  - Это грязный трюк. - Трюк? - Теперь уже Стратмор не мог скрыть свое раздражение.

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