Computer Communications essays

Computer Communications essays Internet communications are a wonderful tool. Now through the help of many computer aids we can do almost anything faster and in the comfort of our own home. It has only been a few years since the use of typewriters; if you think about it technology has expanded for so many years. Computers are a part of our everyday lives in some way or another. Social relations are being transformed by the developments of telecommuting, hypermedia systems, and a new world of on-line information(Plant 74). Though computer communications can be seen as a way to limit social activities with other people, it is also a good way to contact people globally. Not only can you use a computer for communications, but also they are helpful uses for business and educational tools. The internet computer technology has made our lives easier and more efficient. Just look as all of the opportunities we can now do, anything from traveling, shopping, or keeping in touch with friends and relatives from! a distance, as well as locally. Personal, social, and business relations are positively effected by the use of computer technology. Cheap communications can easily be done through the use of computer technology. Take the comparison of phone-bill verses the computer. Lets say you call someone in France, for instance, if I were to call twice a month every month, the bill for those two calls, if twenty minutes each might cost around the price of one hundred dollars. Now if I were to talk on a computer to my friend in France, by email, I could talk everyday, all-day for only about twenty dollars a month. The internet puts me in touch with thousands of people across the country(Stoll 80). Now, would you rather pay and extra hundred dollars a month for two calls or pay twenty to talk whenever. As a college student and short on funds, I would rather talk to my family six hours away as much as I want for only twenty dollars a month, in...

La Isabela, Columbuss First Colony in the Americas

La Isabela, Columbuss First Colony in the Americas La Isabela is the name of the first European town established in the Americas. La Isabela was settled by Christopher Columbus and 1,500 others in 1494 AD, on the northern coast of the island of Hispaniola, in what is now the Dominican Republic in the Caribbean Sea. La Isabela was the first European town, but it was not the first colony in the New Worldthat was LAnse aux Meadows, established by Norse colonists in Canada nearly 500 years earlier: both of these early colonies were abject failures. History of La Isabela In 1494, the Italian-born, Spanish-financed explorer Christopher Columbus was on his second voyage to the American continents, landing in Hispaniola with a group of 1,500 settlers. The primary purpose of the expedition was to establish a colony, a foothold in the Americas for Spain to begin its conquest. But Columbus was also there to discover sources of precious metals. There on the north shore of Hispaniola, they established the first European town in the New World, called La Isabela after Queen Isabella of Spain, who supported his voyage financially and politically. For an early colony, La Isabela was a fairly substantial settlement. The settlers quickly built several buildings, including a palace/citadel for Columbus to live in; a fortified storehouse (alhondiga) to store their material goods; several stone buildings for various purposes; and a European-style plaza. There is also evidence for several locations associated with silver and iron ore processing. Silver Ore Processing The silver processing operations at La Isabela involved the use of European galena, an ore of lead probably imported from ore fields in the Los Pedroches-Alcudia or Linares-La Carolina valleys of Spain. The purpose of the exportation of lead galena from Spain to the new colony is believed to have been to assay the percentage of gold and silver ore in artifacts stolen from the indigenous people of the New World. Later, it was used in a failed attempt to smelt iron ore. Artifacts associated with ore assay discovered at the site included 58 triangular graphite-tempered assaying crucibles, a kilogram (2.2 pounds) of liquid mercury, a concentration of about 90 kg (200 lbs) of galena, and several deposits of metallurgical slag, mostly concentrated near or within the fortified storehouse. Adjacent to the slag concentration was a small fire pit, believed to represent a furnace used to process the metal. Evidence for Scurvy Because historical records indicate that the colony was a failure, Tiesler and colleagues investigated the physical evidence of the conditions of the colonists, using macroscopic and histological (blood) evidence on the skeletons excavated from a contact-era cemetery. A total of 48 individuals were buried in La Isabelas church cemetery. Skeletal preservation was variable, and the researchers could only determine that at least 33 of the 48 were men and three were women. Children and adolescents were among the individuals, but there was no one older than 50 at the time of death. Among the 27 skeletons with adequate preservation, 20 exhibited lesions likely to have been caused by severe adult scurvy, a disease caused by a sustained lack of vitamin C and common to seafarers before the 18th century. Scurvy is reported to have caused 80% of all deaths during long sea voyages in the 16th and 17th centuries. Surviving reports of the colonists intense fatigue and physical exhaustion on and after arrival are clinical manifestations of scurvy. There were sources of vitamin C on Hispaniola, but the men  were not familiar enough with the local environment to pursue them, and instead relied on infrequent shipments from Spain to meet their dietary demands, shipments that did not include fruit. The Indigenous People At least two indigenous communities were located in the northwestern Dominican Republic where Columbus and his crew established La Isabela, known as the La Luperona and El Flaco archaeological sites. Both of these sites were occupied between the 3rd and 15th centuries, and have been the focus of archaeological investigations since 2013. The prehispanic people in the Caribbean region at the time of Columbuss landing were horticulturalists, who combined slash and burn land clearance and house gardens holding domesticated and managed plants with substantive hunting, fishing, and gathering. According to historic documents, the relationship was not a good one. Based on all the evidence, historical and archaeological, the La Isabela colony was a flat-out disaster: the colonists did not find any extensive quantities of ores, and hurricanes, crop failures, disease, mutinies, and conflicts with the resident Taà ­no made life unbearable. Columbus himself was recalled to Spain in 1496, to account for the financial disasters of the expedition, and the town was abandoned in 1498. Archaeology of La Isabela Archaeological investigations at La Isabela have been conducted since the late 1980s by a team led by Kathleen Deagan and Josà © M. Cruxent of the Florida Museum of Natural History, at which web site much more detail is available. Interestingly, like at the earlier Viking settlement of Lanse aux Meadows, evidence at La Isabela suggests that the European residents may have failed in part because they were unwilling to fully adapt to local living conditions. Sources Deagan K. 1996. Colonial transformation: Euro-American cultural genesis in the early Spanish-American colonies. Journal of Anthropological Research 52(2):135-160.Deagan K, and Cruxent JM. 2002. Columbuss Outpost Among the Tainos: Spain and America at La Isabela, 1493-1498. New Haven: Yale University Press.Deagan K, and Cruxent JM. 2002. Archaeology at La Isabela, America’s First European Town. New Haven: Yale University Press.Laffoon JE, Hoogland MLP, Davies GR, and Hofman CL. 2016. Human dietary assessment in the Pre-colonial Lesser Antilles: New stable isotope evidence from Lavoutte, Saint Lucia. Journal of Archaeological Science: Reports 5:168-180.Thibodeau AM, Killick DJ, Ruiz J, Chesley JT, Deagan K, Cruxent JM, and Lyman W. 2007. The strange case of the earliest silver extraction by European colonists in the New World. Proceedings of the National Academy of Sciences 104(9):3663-3666.Tiesler V, Coppa A, Zabala P, and Cucina A. 2016. Scurvy-related Morbidity and Death amon g Christopher Columbus Crew at La Isabela, the First European Town in the New World (1494–1498): An Assessment of the Skeletal and Historical Information. International Journal of Osteoarchaeology 26(2):191-202. Ting C, Neyt B, Ulloa Hung J, Hofman C, and Degryse P. 2016. The production of pre-Colonial ceramics in northwestern Hispaniola: A technological study of Meillacoid and Chicoid ceramics from La Luperona and El Flaco, Dominican Republic. Journal of Archaeological Science: Reports 6:376-385.VanderVeen JM. 2003. Review of Archaeology at La Isabela: Americas First European Town, and Columbuss Outpost among the Taino: Spain and America at La Isabela, 1494-1498. Latin American Antiquity 14(4):504-506.

Chinas One Child Policy Essay Example | Topics and Well Written Essays - 500 words

Chinas One Child Policy - Essay Example In addition, second children are subject to birth spacing of three or four years. If more children are born in the family, this will result in fines. It is reported that most families are required to "pay economic penalties and cannot receive bonuses from the birth control program (One Child Policy 2)." Privileges are given to children in one child families one of which is lower payment. China's One Child Policy is in response to the high population growth during the 1970s when an average woman gave birth to six children. The large number of children becomes acceptable as "parents traditionally relied on a large number of offspring to provide an economic security blanket (Fong 1)." Another purpose of the initiative is to help the country "leapfrog from a Third-World economy to a First-World economy by mimicking the First World fertility and educational patterns." The One Child Policy has a great impact in China. The Taipei Times report that it leaves the country with a huge shortage of women. During 1982, China's gender ratio had stayed relatively normal with 100 girls for every 108 boys.

Leadership from the Organisational Behaviour area of study Essay

Leadership from the Organisational Behaviour area of study - Essay Example Over the decades, numerous theories on the subject of organizational leadership have been suggested and deliberated over. These include, but are not limited to, Transactional Leadership, Trait Theory, Behavioural Theories, which constitute The Managerial Grid and Theory X and Theory Y, Situational Leadership, Participative Leadership, which comprises the infamous Lewin’s leadership styles, Contingency Theory, and Transformational Leadership (Time-Life Books 1994, p.453). Trait or Great Man theory places a leader at a different level in terms of thinking, dreams, ambitions and general intelligence as compared to the normal person. The major assumptions made in this theory include; some habits are specifically suited for leadership, individuals who make the best leaders have the perfect blend of leadership traits and the individuals inherently acquire those traits. Extensive research into successful leaders has been carried out in an attempt to discover some of these traits and if when applied to other individuals, they may also make good leaders. Some of these behaviours include intelligence, assertiveness, decisiveness, innovativeness, flexibility, conceptually skilled, team player, diplomacy, sensitivity to the social environment, dreamer, reliable, good orator, charismatic, dominance, persuasiveness and persistence (Burns 1978, p.654). Behavioural theories assume that leaders are not born, but made and that the best leadership is based on principles that can be practiced over time. These theories approach is not to focus on the inherent characteristics of an individual, but rather those habits that they have picked up over the years that have shaped and nurtured their leadership skills. There are two types of behaviour under this theory that each leader possess as a result of training. These include general concern

Invisible Man Essay: Ethics and Invisible Man :: Invisible Man Essays

Ethics and Invisible Man    The issue of ethics is central to the theme of The Invisible Man.   This essay will examine the ethical issues presented in Ellison's novel in the context of Kenneth Strike's "Principle of Equal Respect".    In one incident Invisible Man is in his third year at a Negro college and is regarded by the President, Dr. Bledsoe, as bright and trustworthy, a young man who has potential. Dr. Bledsoe assigns him to drive a prominent trustee, Mr. Norton, on a tour of the vicinity. Invisible Man inadvertently drives Norton to the old slave quarters, past the home of Jim Trueblood, a local pariah who has committed incest with his young daughter; both his wife and daughter are pregnant by him. At Norton's insistence, the student stops. Norton feels compelled to hear Trueblood's spellbinding version of his crime. Embellished several times over, it is so effective that Norton has a mild stroke. Before leaving, however, Norton gives Trueblood $100, a gesture which angers Invisible Man, who sees it as a reward for a heinous crime. He is careful, though, to mask his emotion.    When he returns to campus, Invisible Man is severely reprimanded by Dr. Bledsoe for betraying his trust and for exposing the trustee to such "trash" as Jim Trueblood. Invisible Man is made to feel as though he should have acted in a deceptive manner; he should have had sense enough to deal with white folks. Then he is led to believe that he is being given a semester off, but the young man is, in fact, expelled from college. Bledsoe gives Invisible Man sealed letters to powerful men in New York City, saying that they will help him get a job. However, when Invisible Man visits the offices of these men, he is unable to get even one interview. Finally one man reveals that the letters call the bearer an enemy of the college who should not be helped but should be given the illusion of hope.    The reader may wonder whether Bledsoe behaves ethically or uses his power abusively. One may argue that, as president of the college, Dr. Bledsoe is responsible for the lives and education of hundreds of students. In this regard, he must be careful not to offend powerful supporters necessary for the institution's survival. But does this permit his sacrifice of Invisible Man?

Network management and the changing milieu

A ‘network’ can be described as â€Å"a system used to link two or more computers.† [1]There are network connections that are used in the process: (1) the physical connections, which pertain to the medium that are used in sharing files, programs, etc.; and (2) the logical connections, which pertain to the protocols used in sharing files, programs, etc.[2]   However, in order to share and open files, messages, programs, and/or devices, a network needs proper management for its three layers of the application software, network software, and network hardware to work accurately and efficiently.   This paper will revolve around network management, its importance to the society, the state of network management nowadays, and how information systems like networks can be managed more effectively in the future.Network management is â€Å"the activities, methods, procedures, and tools that pertain to the operation, administration, maintenance, and provisioning of networ ked systems.†[3]   There are certain significant functions that are used in managing a particular network, and these should include each of the following: (1) controlling, (2) planning, (3) allocating, (4) deploying, (5) coordinating, and (6) monitoring.[4]There can also be the use of some access methods (e.g., SNMP, CLIs, XML) as well as schemes (e.g., WBEM, CIM), which support the transition of certain mechanisms that are used in network management.   By using the term ‘mechanism’ we refer to the managing of the agents, synthetic monitoring, the logs of activity, as well as the real user monitoring.[5]   Yet Cisco Systems, Inc. has defined network management more specifically as â€Å"a service that employs a variety of tools, applications, and devices to assist human network managers in monitoring and maintaining networks.†[6]Despite the reliability of connecting computer applications and programs nowadays, the functioning of these devices is also being influenced by the characteristics of other protocols, other connections, and other devices, which may not always be perfect.   There are crucial elements that go in between the processing of networking, which may hinder or delay the progression of the activity or service.   For this reason, it is very important that network management is strictly and sufficiently organized, maintained, planned, and monitored, especially that networks are not always perfectly controlled, and that there are reliable as well unreliable networks that influence the transmission of data given a specific environment.Companies in the 21st century usually go for 99.9% availability when it comes to network management.[7]   As stated in the Encarta Encyclopedia, â€Å"Networks are subject to hacking, or illegal access, so shared files and resources must be protected.†[8]   Certain techniques may include data encryption and authentication schemes, especially when dealing with issues that in clude privacy and protection of rights.   Others bend more on the purpose of autopolling network devices or generating certain topology that generates improvement.It is said that the three most important elements of networks should include having â€Å"the lowest latency, highest capacity, and maximum reliability despite intermittent features and limited bandwidth.†[9]   While data is reorganized and transformed into smaller frames, packets, and segments, there are certain significant factors that affect the transmission of the data: first is latency or the time span of delivery; second is packet loss inside the intermediate devices; third is retransmission that leads to delays; fourth and final is throughput or the amount of traffic within a network.[10]   For this, network management appears to be the critical key in making sure that the network functions well despite failures, attacks, and the inconsistencies that are mostly crucial in any type of society or network. Nowadays, network management is set more on the use of certain protocols like the use of ‘Simple Network Management Protocol’ or SNMP, or the use of ‘Common Management Information Protocol’ or CMIP.[11]   Since the 1980s, when there was â€Å"tremendous expansion in the area of network deployment,†[12] and companies went into the trend of building and expanding their networks from different types of network technologies, organizations saw the need for an automated network management that could be functional in diverse situations and environments in certain occasions inside and outside the country.The improved basic structure that has then been used was usually composed of a set of relationships that follow a specific paradigm: end stations or managed devices, which run the specific software, which alerts the staffs (through computers) whenever problems, inconsistencies, or emergencies arise.[13]   It may also include certain end poll stations tha t check other specific variables through automatic or user-initiated polling, and where certain ‘agents’—or managed devices—respond and store data, which the management staff of a network system produces through protocols.   The state of network management revolves in an architecture that links all the computers through a management entity that connects the rest of the agents with the use of a proxy server, in the management database of the device.With all these, James McKeen insisted in his book entitled ‘Making IT Happen: Critical Issues in Managing Information Technology’ that there is a rapid, changing role in the IT milieu: the two forces of relentless business pressures and rapidly evolving technology landscape,[14] which both bring greater risks within a changing technology environment around the globe.   Thus, it is evident that information systems, such as networks, can be managed more effectively in the future by producing better , faster, more agile architectures and functions that can break through beyond these two forces of change.BIBLIOGRAPHYâ€Å"Chapter 6: Network Management Basics.† Internetworking Technology Handbook, no.1-58765-001-3 (2006). Database on-line. Available from Cisco Systems, Inc.McKeen, James D. Making IT Happen: Critical Issues in Managing Information Technology. England: John Wiley & Sons Ltd, 2003.â€Å"Network (computer systems).† Encarta Encyclopedia (2007): 1-2. Database on-line. Available from MSN Encarta.â€Å"Network Management.† Wikipedia Online Encyclopedia (2008). Database on-line. Available from the Wikimedia Foundation, Inc. database.  Ã¢â‚¬Å"Network Performance Management.† Wikipedia Online Encyclopedia (2008). Database on-line. Available from the Wikimedia Foundation, Inc. database.[1] â€Å"Network (computer science),† Encarta Encyclopedia (2007) [database on-line]; available from MSN Encarta, p. 1of 2. [2] Ibid. [3] â€Å"Network M anagement,† Wikipedia Online Encyclopedia (2008) [database on-line]; available from the Wikimedia Foundation, Incorporated database. [4] Ibid. [5] Ibid. [6] â€Å"Chapter 6: Network Management Basics,† Internetworking Technology Handbook (2006) [database on-line]; available from Cisco Systems, Inc, accession number 1-58765-001-3, p. 1 of 6. [7] Internetworking Technology Handbook, 1. [8] Encarta Encyclopedia, 2. [9] â€Å"Network Performance Management,† Wikipedia Online Encyclopedia (2008) [database on-line]; available from the Wikimedia Foundation, Incorporated database. [10] Ibid. [11] Ibid, 2. [12] Internetworking Technology Handbook, 1. [13] Ibid. [14] James D. McKeen, Making IT Happen: Critical Issues in Managing Information Technology (England: John Wiley & Sons Ltd, 2003), 1.

Evaluation of a Poetry Reading Essay - 689 Words

Evaluation of a Poetry Reading After a long day full of work and confusion, I decided that it would be a good idea to go to the poetry reading at eight PM. I got all of my homework done and ate dinner also. It was now about seven twenty and I heard a knock at my front door. It was my RA; he was just reminding me that he was going to leave in a few minutes. Soon Jeff, another girl and I headed to the place where the reading was taking place. When we got there, all the seats in the back were full. This ended the back up plan, which consist of leaving out if the poet was very bad. We soon found three seats in the middle of the auditorium. The electrical people were all over the stage trying to get the microphone to work. After†¦show more content†¦All I cared about at that time was hearing some poetry and going home. Since the microphone did not seem to be working, and everyone seemed to be getting a little impatient; the show went on. During the whole show Mr. Hudgins was yelling. He was trying t o make sure the whole audience heard his poetry; however, this was not to his benefit because he was already a site to look at, and he made lots of facial expressions which did not complement his features at all. Just imagine the unibomber yelling at you about a Pissy Christ. To most people that is enough to disgust and disappoint all in one. I was looking forward to hearing some nice romantic soft poetry; instead, I felt as though I was in a lions den surrounded by loud playing Punk Rock music. The worst thing, besides the appearance of the poet and his vocal energy, was his type of poetry. People who prefer his type harsh poetry might have enjoyed the program, but people like myself who like more subtle and relaxing poetry would not enjoy Mr. Hudgins at all. He had poems such as: My Fathers Corpse, Babylon in a Jar, Rain and Pissy Christ. The only poem he recited that did not have any thing to do with blood was The China Berry Tree, which I could not even hear because he had no microphone. The two worst poems I heard that night were Rain and Pissy Christ. The poem titled Rain was very negative. ItShow MoreRelatedLiterature Is Not Only What We Read, Reflecting On The1522 Words   |  7 Pages The role of value of judgement in the reading of literature is almost part of the world, involving systems of valuations between literary texts and authors. Value of judgement is between the rightness and wrongness of something or someone in context with the utility of importance. The value of judgement in the reading of literature is much more complicated, pointing out the literary text when explaining its evaluation (peer, 2008). 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