Mgmt T Information System Review

In: Business and Management

Submitted By ajohnson60
Words 588
Pages 3
A typical wan transmission speed is 1mbps.
A business cannot use the internet unless it goes through an isp. True
A device attached to a network is called a host.
A host address on an internet is its ip address.
A lan is a network that provides service within a site.
A packet is called a packet in a routed network
Different isps interconnect at network access points.
For human reading ip address usually are expressed in dotted decimal notation.
Multiplexing reduces the cost of trunk lines.
217.42.248 is an ip address
A corporate network can use osi standards at some layers and tcp ip standards at other layers. True
A network architecture is a broad plan that specifies everything necessary for two application programs on different networks on an internet to be able to work together effectively.
An ip packet is encapsulated in a frame.
Most protocols are connectionless. True
Routers are called layer 3 devices.
Tcp and udp are the only tow protocols at the transport layers. True.
When routers receive a packet to pass on, they first decapsulate it.
Which host decapsulates the sending host or the receiving host? The receiving.
At which layer would you find standards for downloading videos from a video sharing site such as youtube? Application
If your closck is 1/10000 of a second and you want a bit rate of 50 kpbs how many possible states will you need per clock cycle? 32
A length of utp wiring is a cord.
A noise spike is a brief large increase or decrease in the noise energy.
A signal is 1/1000 of its initial value when it reaches the receiver. How many decibels is this power ratio? -30
A a signal is 1/16 of its initial value when it arrives at the receiver. In decibels this is power ratio or approximately -12.
Changes in a signal during propagation are called most generally propagation effects.
Emis increase with frequency. False
Parallel…...

Similar Documents

Information Systems

...0965944 Information Systems A consultancy report of Aalsmeer Flower Auction. Submitted to Ian Durling. Submitted by 0965944. Words 2919. 0965944 Contents 1.0 Introduction 1.1 Information Technology and Information Systems 1.2 Organisation chart of Aalsmeer Flower Auction 1.3 Business Environment 1.4 Swot Analysis of Aalsmeer Flower Auction 1.5 Pest Analysis of Aalsmeer Flower Auction 1.6 Porters Five Force Analysis 1.7 The Value Chain 1.8 Enterprise Application Architecture 2.0 Design Methodology 3.0 Dimensions of Information Systems 4.0 Conclusion 0965944 1 1.Introduction Aalsmeer Flower Auction, located in the Netherlands is the biggest flower auction of the world. It offers global growers, wholesalers and exporters a central place for the buying and selling of floricultural products with a range of marketing channels, facilities for growers, buyers and logistics. Every phase of the trade of flowers is managed in the Netherlands, pricing, packaging, distribution and quality control. Most of the flowers come from the Netherlands also Spain, Israel and Kenya among others. (Boonstra A & Van Dantzig,06 pg2). This has made AFA a prominent link in the International Chain of the flower auction market. New developments in the auction market has threatened the comfortable position of AFA. E-Networks the emergence of alternative electronically driven flower markets. Mergers and acquisition......

Words: 3700 - Pages: 15

Information Systems

...European Journal of Information Systems (2008) 17, 236–263 & 2008 Operational Research Society Ltd. All rights reserved 0960-085X/08 www.palgrave-journals.com/ejis Measuring information systems success: models, dimensions, measures, and interrelationships Stacie Petter1, William DeLone2 and Ephraim McLean3 1 Department of Information Systems and Quantitative Analysis, University of Nebraska at Omaha, 6001 Dodge Street, PKI 173B, Omaha, NE 68182, U.S.A.; 2Department of Information Technology, American University, 4400 Massachusetts Ave. NW, Washington DC 20016, U.S.A.; 3Department of Computer Information Systems, Robinson College of Business, Georgia State University, Atlanta, GA 30303, U.S.A. Correspondence: Ephraim McLean, Department of Computer Information Systems, Robinson College of Business, Georgia State University, Atlanta, GA 30303, USA. Tel: 1 404 413 7448; E-mail: emclean@gsu.edu Abstract Since DeLone and McLean (D&M) developed their model of IS success, there has been much research on the topic of success as well as extensions and tests of their model. Using the technique of a qualitative literature review, this research reviews 180 papers found in the academic literature for the period 1992–2007 dealing with some aspect of IS success. Using the six dimensions of the D&M model – system quality, information quality, service quality, use, user satisfaction, and net benefits – 90 empirical studies were examined and the results summarized. Measures for the six......

Words: 22107 - Pages: 89

Information System Literature Review

...Information System Literature Review Team A University of Phoenix Information System Literature Review Paper Over the last 10-15 years, the gaming industry has come an extraordinary long ways in development and growth. This particular industry continues to grow and improve from year to year. The newest generations have come from board games, to video games, and finally computer games. The computer games have developed from two dimensional (2-D), three dimensional (3-D), and virtual environments. Gamers get to experience revolutionary virtual realities known as massive multiplayer online role-playing games (MMORPG). To understand the growth into MMORPG’s, a game developer must research the history, theory, some negative implementations, and contemporary best practices of networking, the opportunities, and innovation with the field of MMORPG’s. Historical development of the field The first computer game produced was 2-D in 1962 (Thomson, 2008). This was just a simple game where two players controlled his or her spaceship and attempted to destroy the opposing player. This was the lead into an ever-evolving world of gaming. The gaming industry has evolved into virtual world environments. This type of gaming has unleashed a world where players create an avatar in which can look anyway they want. This has allowed the gamers of today a way to communicate in a new way. It has even gone as far as allowing people a new way of learning (Barnett, 2010). Colleges......

Words: 2522 - Pages: 11

Chapter 6: Review Questions Solutions ( Accounting Information Systems)

...ACCT 305 Accounting Information Systems Chapter 6 Review Questions 1. Several Unique problems and risks associated with computerized information networks are unauthorized access, use, disclosure, disruption, modification, or destruction 2. Elements included in an ISMS system such as hardware, databases, procedures, and reports. 3. Development of ISMS requires application of the life cycle approach for system maintenance purposes. 4. Risk Management is the identification, assessment, and prioritization of risks. 5. Quantitative Approach - each loss exposure is computed as the product of the cost of an individual loss times the likelihood of its occurrence. Qualitative Approach – lists out the system’s vulnerabilities and threats and subjectively ranks them in order of their contribution to the company’s total loss exposures. 6. Types of threats that affect information systems a) Active threats include information systems fraud and computer sabotage. b) Passive threats include system faults, as well as natural disasters (e.g., earthquakes, floods, fires, and hurricanes). 7. Characteristics of white-collar criminal 8. Types of individuals pose a threat to an information system a) Computer and information systems personnel: are often given a wide range of access privileges to sensitive data and programs. b) Users: are given narrow access, but can still find ways to commit fraud. c) Intruders and attackers:......

Words: 714 - Pages: 3

Information System

...Chapter 3 Information Systems, Organizations, and Strategy LEARNING OBJECTIVES After reading this chapter, you will be able to: 1. Identify and describe important features of organizations that managers need to know about in order to build and use information systems successfully. 2. Evaluate the impact of information systems on organizations. 3. Demonstrate how Porter’s competitive forces model and the value chain model help businesses use information systems for competitive advantage. 4. Demonstrate how information systems help businesses use synergies, core competencies, and network-based strategies to achieve competitive advantage. 5. Assess the challenges posed by strategic information systems and management solutions. 3.4 CHAPTER OUTLINE 3.1 ORGANIZATIONS AND INFORMATION SYSTEMS What Is an Organization? Features of Organizations HOW INFORMATION SYSTEMS IMPACT ORGANIZATIONS AND BUSINESS FIRMS Economic Impacts Organizational and Behavioral Impacts The Internet and Organizations Implications for the Design and Understanding of Information Systems USING INFORMATION SYSTEMS TO ACHIEVE COMPETITIVE ADVANTAGE Porter’s Competitive Forces Model Information System Strategies for Dealing with Competitive Forces The Internet’s Impact on Competitive Advantage The Business Value Chain Model Synergies, Core Competencies, and Network-Based Strategies USING SYSTEMS FOR COMPETITIVE ADVANTAGE: MANAGEMENT ISSUES Sustaining Competitive Advantage Performing a Strategic Systems......

Words: 19830 - Pages: 80

Information System

...Information systems From Wikipedia, the free encyclopedia Information system (IS) is the study of complementary networks of hardware and software (see information technology) that people and organizations use to collect, filter, process, create and distribute data.[1][2][3] Information Systems encompasses a variety of disciplines such as: the analysis and design of systems, computer networking, information security, database management, and decision support systems. Information Management deals with the practical and theoretical problems of collecting and analyzing information in a business function area including business productivity tools, applications programming and implementation, electronic commerce, digital media production, data mining, and decision support. Communications and Networking deals with the telecommunication technologies. Information Systems bridges business and computer science using the theoretical foundations of information and computation to study various business models and related algorithmic processes within a computer science discipline.[4][5][6][7][8][9][10][11][12][13][14] Computer information system(s) (CIS) is a field studying computers and algorithmic processes, including their principles, their software and hardware designs, their applications, and their impact on society[15][16][17] while IS emphasizes functionality over design.[18] Any specific information system aims to support operations, management and decision making.[19] In a......

Words: 5388 - Pages: 22

Information System

...acquitted in attributes such as a web source coding, which is the primary coding for web pages and programming in general. This helps in the creation of websites which are SEO based. Considering Search Engine Optimization (SEO) in programming makes a business website more findable by search engines. This increases chances of potential clients visiting the website, hence sales are boosted (Carpenter, 2010). Technological crises are failures in machines or software used in managing a business. It is a threat to the development a thriving business. Managers should regularly examine IT equipment to avoid failure of machines. Some technological failures in a business are on a greater extend caused by human errors. Equipping oneself with information on technology crisis management helps in avoiding human errors within the business that lead to technological failure. Some technological failures, however, such as software failures are not caused by reckless on the employees part, but rather by acquisition of software that is faulty and not genuine. Managers should be knowledgeable about the type of software that is reliable which can be efficiently used in the management of business operations (Experts, 2013). Managers should consider training in such basics if they hope to optimize business operations in their company. Organized seminars and educational forums aimed at improving businesses should be platform managers who are keen on better planning and organizing for......

Words: 672 - Pages: 3

Information System

...Introduction to Information Systems Fundamental of Information Systems, Sixth Edition Principles and Learning Objectives  The value of information  how it helps decision makers achieve the organization’s goals  Distinguish data f g from information f  Knowing the potential impact of information systems  Id tif the b i t Identify th basic types of b i f business i f information systems ti t  who uses them, how they are used, and what kinds of benefits they deliver  To build a successful information system y  System users, business managers, and information systems professionals must work together g 2 Principles and Learning Objectives  The use of information systems to add value to the organization  Identify some of the strategies employed to lower costs or improve y g p y p service  Identify the value-added processes in the supply chain value added  Define the term competitive advantage  IS personnel is a key li k  Define the types of roles, functions, and careers available in information systems 3 Why Learn About Information Systems in Organizations?  How might the information system used depend on the various components of a computer-based information system: hardware, software, databases, telecommunications, people, and procedures?  How do computer-based information systems help businesses p y p implement best practices?  Information systems are used in almost every imaginable profession to reach customers around the world  Information systems......

Words: 3811 - Pages: 16

Information System

...transmission of voice |   | B. | network control |   | C. | tracking of out-of-service devices (Your Answer) |   | D. | transmission of data |   | E. | All of the above are primary functions of telecommunication (Correct Answer) | Incorrect | | |   Q.2) | Which of the following most accurately describes the INTERFACE function of telecommunications? |   | |   | A. | checking for errors and putting the communicaiton into a standardized format |   | B. | handing interactions between users and the network (Correct Answer) |   | C. | keeping track of the status of the network (Your Answer) |   | D. | choosing the most efficient path for a message to be sent over the Internet |   | E. | changing coding system or speed when moving data between devices on the network | Incorrect | | |   Q.3) | Which of the following is NOT a characterisitic of fiber-optic transmission? |   | |   | A. | faster transmission than twisted pair of wires |   | B. | more secure than other media because it does not emit radiation |   | C. | requires much less space because the fiber-optic cable is very small in diameter (Your Answer) |   | D. | easy to work with the tiny fiber and require much cheaper equipment (Correct Answer) |   | E. | not affected by power-line surges or electromagnetic interference | Correct | | |   Q.4) | What is a key characteristic of a dedicated line versus a switched line? |   |......

Words: 21426 - Pages: 86

Information Systems

...and relevant stakeholders, including organised labour and organised business. Questionnaires distributed among human resource development (HRD) practitioners addressed matters pertaining to possible solutions with regard to the appropriate location of the HRDSA, challenges in implementing the HRDSA, capacity needs, appropriate governance structures, political support and budgetary constraints. Best practice for the implementation of a national HRD strategy in a number of countries is outlined and discussed with a view to benchmarking the HRDSA and learning from the mistakes made by them in the implementation of their national HRD strategies. Based on these lessons learnt by those countries, and valuable information gathered through the results obtained from the questionnaires and interviews, recommendations are made to support the successful implementation of the revised HRDSA. The recommendations are focused on the effective, efficient, economic and sustainable implementation of the revised HRDSA commitments, strategic priorities, strategic objectives, programmes and projects to improve social and economic growth, as well as HRD, human development (HD) and accelerated quality service delivery in South Africa. iii Keywords: National Human Resource Development Strategy, challenges, social, economic and human development, service delivery. iv implementation OPSOMMING Die eerste nasionale Menslike......

Words: 38361 - Pages: 154

Information Systems

...© Cengage Learning. All rights reserved. No distribution allowed without express authorization. chapter 1 Introduction to Information Security Do not figure on opponents not attacking; worry about your own lack of preparation. BOOK OF THE FIVE RINGS For Amy, the day began like any other at the Sequential Label and Supply Company (SLS) help desk. Taking calls and helping office workers with computer problems was not glamorous, but she enjoyed the work; it was challenging and paid well. Some of her friends in the industry worked at bigger companies, some at cutting-edge tech companies, but they all agreed that jobs in information technology were a good way to pay the bills. The phone rang, as it did on average about four times an hour and about 28 times a day. The first call of the day, from a worried user hoping Amy could help him out of a jam, seemed typical. The call display on her monitor gave some of the facts: the user’s name, his phone number, the department in which he worked, where his office was on the company campus, and a list of all the calls he’d made in the past. “Hi, Bob,” she said. “Did you get that document formatting problem squared away?” “Sure did, Amy. Hope we can figure out what’s going on this time.” “We’ll try, Bob. Tell me about it.” “Well, my PC is acting weird,” Bob said. “When I go to the screen that has my e-mail program running, it doesn’t respond to the mouse or the keyboard.” “Did you try a reboot yet?” 1 Chapter...

Words: 15965 - Pages: 64

Information Systems

...Axia/HCS 483 | Information System Briefing | November,2011 | Information System Briefing Selecting and acquiring information systems is important to this organization. Information systems are designed based on the organization’s needs, thus simplifying patient needs, departmental, and other information. Information systems should also accommodate other departments as well such as radiology, pharmacy, and other various branches of the hospital. An information system is, of course, an expensive technology but can greatly benefit the hospital. With information systems many systems have to be installed databases, storage, identification, and selection. Once it is up the organization still has to think about an offsite back up station with a firewall. It is to much for an organization or investors to take in, making it imperative that the organization receives the system designed to their needs. Selecting and Acquiring When selecting what is needed for the organization one has to look at many different variables. Does the organization have many branches, do they have different specialties, patients, billing, and other various staff. Communication between these is vital to making the information system work. The information also has to be user friendly and easy to obtain by staff. If any of the information is not easily obtainable it will make the organization run slow in all departments or fragment it. That means that patient information could be lost resulting in......

Words: 1181 - Pages: 5

Information System

...Ryan Somma Information Systems Proposal for XYZ Hospice Table of Contents I. Organization Environment and Requirements......................................3 A. Hospice Care...................................................................................................3 B. Assumptions....................................................................................................3 II. Inputs and Outputs...........................................................................................5 A . Inputs.............................................................................................................5 B. Outputs ...........................................................................................................5 C. Distributed Objects..........................................................................................6 III. System Hardware ...........................................................................................7 A. Client Systems ................................................................................................7 B. Peripherals ......................................................................................................8 C. Server..............................................................................................................8 IV. Software .............................................................................................................9 A. Operating System........................

Words: 4765 - Pages: 20

Information System

...businessratioreport ©Key Note Ltd. 2011 All rights reserved No part of this publication may be reproduced, copied, stored in an electronic retrieval system or transmitted save with written permission or in accordance with the provisions of the Copyright and Patents Act 1988. Published by Key Note Ltd. 5th Floor Harlequin House 7 High Street Teddington Richmond Upon Thames TW11 8EE t: O845 504 0452 f: O845 504 0453 e-mail: reports@keynote.co.uk Stringent efforts have been made by Key Note Ltd. to ensure accuracy. However, due principally to the fact that data cannot always be verified, it is possible that some errors or omissions may occur; Key Note Ltd. cannot accept responsibility for such errors or omissions. Details supplied by Key Note Ltd. should only be used as an aid, to assist the making of business decisions, not as the sole basis for taking such decisions. Corporate Telephone Preference Service (CTPS) Under the new Privacy and Electronic Communications Regulations 2004 it is unlawful for a business to make an unsolicited sales & marketing call to a corporate subscriber if they are either registered with CTPS or have requested NOT to receive such calls. Key Note holds and regularly updates (at least every 28 days) their data in accordance with the regulation and ensures their data is compliant, as of the date created. However it is the responsibility of the caller to ensure this data is up to date and as such Key Note do not hold themselves liable for any......

Words: 165076 - Pages: 661

Information System

...INFO 101 / ILP104 FOUNDATIONS OF INFORMATION SYSTEMS An Introduction to Information Systems (IS) W eek 1 - Lecture Notes (Chapter 1 of text book) Contents           Concepts of Information System s (IS) Com ponents of an IS Data vs Inform ation Characteristics of Valuable Information What is a System ? What is a Model ? Com puter-Based IS (CBIS) Technology Infrastructure Business Inform ation System s (BIS) Special-Purpose BIS 1 Concepts of Information Systems (IS) IS are ev erywhere! e.g ? ATM ¨ cash withdrawal / deposit, check balance, transfer m oney to another A/c ? Internet ¨ online trading, searching, etc.. ? Touch N Go system, Movie Ticketing System ? HandPhone, PDA, ? scanners, bar codes,etc.. ¡ ¡ ¡ ¡ ¡ Can we live without IS ??? What is an IS ? - a s et of interr elat ed c om pon ents th at c ollect, manipu late, an d diss emin at e dat a/inf orm ation an d pr ovide a f eedback m ech anism t o m eet an objective. Com pon ent s of an IS collect manipulate disseminate f eedback Components of an IS ? Input (I/P) ¨ the activity of collecting, capturing or gathering of raw data. E.g to produce a paycheck for an em ployee ? No. of hours work, h ourly r at e ¨ can be m anual or autom atic ¨ input device i.e. scanner, keyboard etc.. 2 Components of an IS ¡ c o n t¡ ? Process ¨ the activity of manipulating, converting or transforming data into useful outputs. ¨ involves......

Words: 1197 - Pages: 5