Computer Communications and Netwoks Essay Example | Topics and Well Written Essays - 1000 words

Computer Communications and Netwoks - Essay Example The motivation behind the creation of communication systems is due to the need for the improvement of transmission reliability. This is due to the reduction of errors in the process of sending and the reception of messages. Communications systems also increase the transmission capacity with the ability of sending large sizes of data in a single mode for a short time. In order to enable the exchange of information, there must be the transmission of the information from different devices, through a communication channel. There exists different communication media such as optical fiber and microwaves that possess unique characteristics for optimum performance. The integration of all the components of information technology forms a communication system (Beavin, p. 12). There are various requirements for computer communication. Such components include computer hardware. These are the tangible physical components of the computer. For instance, a Modem is one of the hardware devices that have the ability to send signals from one computer to another over telephone signals. This comprises of the computer inputs for communication purposes. The other component is computer software. This controls the computer operations, according to the instructions of the users. The software allows computers to interact with other computers through the management of resources. Some of the utility software contains language translators for easy communication between computers. Another component is the availability of a database. This is the storage of related data in an organized manner. This enables users to retrieve information when they require, for communication purposes. Through the Database Management System (DBMS), users have the ability to create, maintain, and a ccess a database. The other component is the availability of a network. Computers have the ability to converge telephone networks, in addition to other networks of communication that use both data and voice for

School and Sociaty Research Paper Example | Topics and Well Written Essays - 1250 words

School and Sociaty - Research Paper Example Mann is known as â€Å"father of American common school† Talented and hard working teachers can mould a weak student into a strong one. There should be similarity in text books and criterion is set to select teachers. Teachers be paid good amount as salary to motivate them and make job respectable. Tozer states that â€Å"schools are complex institutions with diverse and complicated relationships to the communities in their surroundings†. Now teachers are supposed to understand the link of education with society and should set goals accordingly. Now political economy is term which comprises of political, cultural, social and economical aspects of society. In the same way ideology covers the beliefs and ideas of a society. Therefore these are not separate terms and must be studied in relation to each other. (Tozer, Violas & Senese, 2001) Now if I apply all these terms on my education then my education did not commensurate to my future social and economic challenges. When I went to college, than I realized that school education was just useless for me as I was unable to perform well. I was weak in mathematics therefore I was unable to perform well as a cashier in a grocery shop. Here comes the fault of my school system. Schools of Bronx New York were overcrowded. Teachers were under educated and were low paid. Teachers were also not made accountable by the government authorities for imparting poor education. This weak foundation grew with me and I faced lot of problems in higher education and in job as well. Thomas Jefferson says that citizens should be educated in way that they can liberally understand the world and should also know the functioning of society. Local schools system of a society should be able to run and mange school in a great fashion. Jefferson emphasized on training of mental abilities in his educational ideal. He gave the idea of autonomy to every diverse school district. Primary schools education should be developed in such a wa y that in future the students can ensure the existence of society. Jefferson’s ideal has not played any part in my education. After my basic education I was unacceptable to the society because of poor educational background. Jefferson wants to see an educational system that can strengthen all dimensions of society including economy. After completing basic education I was unable to handle minor accounts efficiently. Initially I was taken as thief in grocery shop because of cash shortage on daily basis but ultimately I was fired. Jefferson wanted students to understand all dimensions of society including ideology and demography. When appeared in entrance exam for admission in a college, I could not understand any thing in the paper and got failed. I did not know the basics of English, Mathematics and history (Gramsci, 2009) Now the schools are accessible to every child but previously the distance to schools was the de motivating factor for students. I will highlight the quality of teachers here as I suffered a lot from this aspect in my life. It is the teacher who can shape the life of his students for making them important part of the society. My teachers were not highly educated as I was studying in a normal public school. Jefferson and Mann always emphasized on highly qualified and enlightened teachers. When I appeared for entrance exam I was unable to understand any thing. I did not know basics about Mathematics and English. I was also fired