Tuesday, April 28, 2020
Survival in Auschwitz Essay Example For Students
Survival in Auschwitz Essay Survival in AuschwitzIn the History of the world there havebeen few incidences of atrocities that equal the treatment of the Jewsin Europe during World War II. It is difficult to accept thelevels of systematic cruelty and terror experienced during this period. In the book Survival in Auschwitz, Primo Levi paints a picture with disturbingdetail that is meant to serve as a reminder of the unimaginable horrorsmillions of men, women and children were forcefully subjected to as a resultof hate. As a Jew, Levi knew he was in danger whileliving in fascist Northern Italy. By 1943, the Nazis had moved southand set up holding camps around Italy to detain political prisoners andthose of the Jewish nationality until they could be transported to establishedconcentration camps such as Auschwitz and Dachau. This book depicts whathappened to Levi after his arrest in 1944. Along with 650 others,he was loaded into a freight train for a four day journey without foodor water and without the liberty to leave the train at anytime. Upontheir arrival at the camp of Auschwitz, Poland, the first of a precessionof selections took place. The German SS Soldiers separated thosethey deemed capable of work from those they deemed incapable, such as women,children and elderly. Only 135 of the 650 from Levis train were admittedinto Auschwitz, the other 515 went immediately to the gas chambers. Thesemethods of selection were to a degree, a logical means as compared to otherrandom selections. Later, a sim pler method was adopted that involved merelyopening both doors on the train. Without warning or instructionto the new arrivals, those who by chance climbed down on one side of theconvoy entered the camp; the others went to the gas chamber.(20)He was herded with the others into thecamp and after being striped naked and having his head shaved, he was givenan old striped uniform and the identification numbers 174517 tattooed onhis arm. Levi recalled with remarkable accuracy the humiliation and confusionfelt as he was forced to assimilate into his new surroundings. Thefood rations were too insufficient to stave off the hunger. Thousandsof others around him were suffering and unavoidably dying as a result ofthis insufficient food supply. Although he was new to the camp, hisexperiences with others and his own observations told him that the Germansmilitant nature was at its worst. In order to outlive the war andsurvive, he found ways to maintain the illusion of usefulness with theleast pos sible exertion. Any protest or disobedience from prisoners endedswiftly with beatings and death. We will write a custom essay on Survival in Auschwitz specifically for you for only $16.38 $13.9/page Order now An iron sign above the front gates proclaimedthe camp slogan Arbeit Macht Frei. This translated to; work givesyou freedom. Prisoners of Auschwitz were forced to work seven days aweek with two Sundays off a month which were filled with tedious, exhaustingtasks and were often the only opportunity available was to attend to personalhygiene needs. The bulk of their time was spent working 16-hour days infactories and around the camp, making supplies for the war and other itemsfor the Germans. With little food and inadequate clothing, it was easyto fall ill or die from exhaustion while working in the snow and rain. Levi was lucky enough to be sent to (and return from) the Ka-be or theinfirmary to recover from an injury to his Achilles tendon. The Ka-bewas overcrowded, and was populated by individuals with deadly, communicablediseases such as typhus and dysentery. There were no medicines availableto relieve the symptoms and the pain and suffering was widespread. Despitethis he was able to rest and build up some strength before returning backto work. Much of the work assigned to them was needless. Itwas given for the purpose of wearing down the prisoner and making him weaker. .ue5551fb6d9cc0ef798e5133e6181f5ec , .ue5551fb6d9cc0ef798e5133e6181f5ec .postImageUrl , .ue5551fb6d9cc0ef798e5133e6181f5ec .centered-text-area { min-height: 80px; position: relative; } .ue5551fb6d9cc0ef798e5133e6181f5ec , .ue5551fb6d9cc0ef798e5133e6181f5ec:hover , .ue5551fb6d9cc0ef798e5133e6181f5ec:visited , .ue5551fb6d9cc0ef798e5133e6181f5ec:active { border:0!important; } .ue5551fb6d9cc0ef798e5133e6181f5ec .clearfix:after { content: ""; display: table; clear: both; } .ue5551fb6d9cc0ef798e5133e6181f5ec { display: block; transition: background-color 250ms; webkit-transition: background-color 250ms; width: 100%; opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #95A5A6; } .ue5551fb6d9cc0ef798e5133e6181f5ec:active , .ue5551fb6d9cc0ef798e5133e6181f5ec:hover { opacity: 1; transition: opacity 250ms; webkit-transition: opacity 250ms; background-color: #2C3E50; } .ue5551fb6d9cc0ef798e5133e6181f5ec .centered-text-area { width: 100%; position: relative ; } .ue5551fb6d9cc0ef798e5133e6181f5ec .ctaText { border-bottom: 0 solid #fff; color: #2980B9; font-size: 16px; font-weight: bold; margin: 0; padding: 0; text-decoration: underline; } .ue5551fb6d9cc0ef798e5133e6181f5ec .postTitle { color: #FFFFFF; font-size: 16px; font-weight: 600; margin: 0; padding: 0; width: 100%; } .ue5551fb6d9cc0ef798e5133e6181f5ec .ctaButton { background-color: #7F8C8D!important; color: #2980B9; border: none; border-radius: 3px; box-shadow: none; font-size: 14px; font-weight: bold; line-height: 26px; moz-border-radius: 3px; text-align: center; text-decoration: none; text-shadow: none; width: 80px; min-height: 80px; background: url(https://artscolumbia.org/wp-content/plugins/intelly-related-posts/assets/images/simple-arrow.png)no-repeat; position: absolute; right: 0; top: 0; } .ue5551fb6d9cc0ef798e5133e6181f5ec:hover .ctaButton { background-color: #34495E!important; } .ue5551fb6d9cc0ef798e5133e6181f5ec .centered-text { display: table; height: 80px; padding-left : 18px; top: 0; } .ue5551fb6d9cc0ef798e5133e6181f5ec .ue5551fb6d9cc0ef798e5133e6181f5ec-content { display: table-cell; margin: 0; padding: 0; padding-right: 108px; position: relative; vertical-align: middle; width: 100%; } .ue5551fb6d9cc0ef798e5133e6181f5ec:after { content: ""; display: block; clear: both; } READ: Broken Ears, Wounded Hearts Book Report EssayA weak prisoner was less likely to protest or attempt to escape. Levi described how many of the prisoners,after long hours of manual labor, would gather in a corner of the campfor a market. They would trade rations and stolen goods. Suchgoods as a spoon or buttons were as valuable as gold. The market followedall the classical economic laws. This seemed to show the ability of peopleto live and think and work in the most adverse of conditions. Insidethe barbed wire, the prisoners had created their own social and economicalworld in order to endure. Primo Levi seems to write as a means inwhich he could express the physical trauma that he experienced as a survivorof Auschwitz and its emotional consequences. He recalls for thereader the challenges that he faced on a daily and hourly basis to meetthe basic needs necessary to remain alive. Levi depicts his timeas a prisoner with a straight forward and narrative approach and with analmost unemotional tone that often disguises the horror of what he is describing. It would be easy to bluntly horrify the reader with a book about life ina death camp, but this is not his intention, instead he produces a realisticaccount of events with an insight into his own feelings and emotions. Althoughmost were only mentioned briefly, other prisoners are introduced to showempathy to the many nationalities that were persecuted. He tellsthe story of the oppressed and nameless rather then that of the adversary. He does not concern himself with trying to justify the motives behind theNazis actions. They behaved with the calm assurance of people doing theirnormal duty of everyday.(19)If not for his degree in chemistry, whichearned him a place in the Chemistry Command working indoors during thelast winter, Primo would have probably suffered the same fate as the elevenmillion people, six million of them Jews, who died during the war. It is hard to imagine the reasons why a man who had survived such incomprehensiblehorrors would commit suicide, but that is how Levi ended his life 42 yearsafter being liberated by the Russians. For every one person whomsurvived and told his story like Primo Levi, There are thousands of otherswith equally shocking and disturbing stories who were gassed and murderedat the hands of the Nazis.
Thursday, March 19, 2020
Collapse Of The Second Reich Essay
Collapse Of The Second Reich Essay Collapse Of The Second Reich Essay The collapse of the autocratic Kaiserreich The Kaiserreich was autocratic in nature; this meant that the Kaiser had ultimate power over Germany. Although a Parliament (the Reichstag) was established, there was no parliamentary Government ââ¬â all ministers were appointed by the Kaiser Wilhelm II. Pressure from German public: At the beginning of World War One, German citizens rallied to support their nation. In 1916, however, discontent was growing in Germany as the death rate soared and shortages intensified. A period referred to as the ââ¬Ëturnip winterââ¬â¢ in 1916-17 saw turnips become the staple diet of citizens. The Russian Revolution was influential to the German working class, the overthrow of the tsar and his demise somewhat inspired many Germans and there were calls for a parliamentary Government. Pressure from Reichstag: The Great Depression in Germany, not only undermined the loyalty of the German public but also the politicians. There was no longer unanimous support in the Reichstag for massive expenditure. In July 1917, a dramatic parliamentary revolt occurred when a peace resolution was carried by 212 votes to 126 ââ¬â this peace resolution was disregarded by the High Command. Pressure from USA: Germany increased its war efforts during the Turnip Winter of 1916-17 and announced that U-boats would attack every ship in Europeââ¬â¢s waters. In response to this, US president Wilson ended all diplomatic relations with Germany. President Wilsonââ¬â¢s neutral position was no longer deemed appropriate and many in the US now saw war as a viable solution. When the German Foreign Secretary sent the ââ¬ËZimmerman noteââ¬â¢ to Mexico requesting that Mexico declare war on the US if the US declared war on Germany, promising the states of Texas, Arizona and New Mexico at the end of the war, the American public were outraged. Finally, on 18th March 1917, German U-boats sank three American ships and President Wilson entered World War One alongside the Allied forces. Wilson declared that the US were fighting on a moral basis only: to ââ¬Ëprotect democracy from tyranny and promote peace throughout the worldââ¬â¢. 3,000,000 US men were drafted to bolster the military and Wilson was pleasantly surprised to find that many Americans supported his action. Wilson appointed General John J. Pershing as commander of US forces in Europe and left all operational decisions under his jurisdiction. When the American Government launched a propaganda campaign to persuade less enthusiastic Americans to support the war, the campaign also fuelled anti-German sentiments and a deep loathing for Germany and its people. In response, Wilson reminded the people that the US had
Tuesday, March 3, 2020
Use OptionParser to Parse Commands in Ruby
Use OptionParser to Parse Commands in Ruby In the article discussing OptionParsers features we discussed some of the reasons that make using OptionParser in Ruby preferable to looking through ARGV manually to parse commands by hand. Now its time to get down to learning how to use OptionParser and its features. The following boilerplate code will be used for all the examples in this tutorial. To try any of the examples, simply put the examples opts.on block next to the TODO comment. Running the program will print the state of the options has and ARGV, allowing you to examine the effects of your switches. #!/usr/bin/env rubyrequire optparserequire pp# This hash will hold all of the options# parsed from the command-line by# OptionParser.options {}optparse OptionParser.new do|opts|# TODO: Put command-line options here# This displays the help screen, all programs are# assumed to have this option.opts.on( -h, help, Display this screen ) doputs optsexitendend# Parse the command-line. Remember there are two forms# of the parse method. The parse method simply parses# ARGV, while the parse! method parses ARGV and removes# any options found there, as well as any parameters for# the options. Whats left is the list of files to resize.optparse.parse!pp Options:, optionspp ARGV:, ARGV Simple Switch A simple switch is an argument with no optional forms or no parameters. The effect will be to simply set a flag in the options hash. No other parameters will be passed to the on method. options[:simple] falseopts.on( -s, simple, Simple argument ) dooptions[:simple] trueend Switch with Mandatory Parameter Switches that take a parameter only need to state the parameter name in the long form of the switch. For example, -f, file FILE means the -f or file switch takes a single parameter called FILE, and this parameter is mandatory. You cannot use either -f or file without also passing it a parameter. options[:mand] opts.on( -m, mandatory FILE, Mandatory argument ) do|f|options[:mand] fend Switch with Optional Parameter Switch parameters dont have to be mandatory, they can be optional. To declare a switch parameter optional, place its name in brackets in the switch description. For example, logfile [FILE] means the FILE parameter is optional. If not supplied, the program will assume a sane default, such as a file called log.txt. In the example, the idiom a b || c is used. This is just shorthand for a b, but if b is false or nil, a c. options[:opt] falseopts.on( -o, optional [OPT], Optional argument ) do|f|options[:opt] f || nothingend Automatically Convert to Float OptionParser can automatically convert argument to some types. One of these types is Float. To automatically convert your arguments to a switch to Float, pass Float to the on method after your switch description strings. Automatic conversions are handy. Not only do they save you the step of converting the string to the desired type, but also check the format for you and will throw an exception if it is formatted incorrectly. options[:float] 0.0opts.on( -f, float NUM, Float, Convert to float ) do|f|options[:float] fend Some other types that OptionParser can convert to automatically include Time and Integer. Lists of Arguments Arguments can be interpreted as lists. This can be seen as converting to an array, as you converted to Float. While your option string can define the parameter to be called a,b,c, OptionParser will blindly allow any number of elements in the list. So, if you need a specific number of elements, be sure to check the array length yourself. options[:list] []opts.on( -l, list a,b,c, Array, List of parameters ) do|l|options[:list] lend Set of Arguments Sometimes it makes sense to restrict arguments to a switch to a few choices. For example, the following switch will only take a single mandatory parameter, and the parameter must be one of yes, no or maybe. If the parameter is anything else at all, an exception will be thrown. To do this, pass a list of acceptable parameters as symbols after the switch description strings. options[:set] :yesopts.on( -s, set OPT, [:yes, :no, :maybe], Parameters from a set ) do|s|options[:set] send Negated Forms Switches can have a negated form. The switch negated can have one that does the opposite effect, called no-negated. To describe this in the switch description string, place the alternative portion in brackets: [no-]negated. If the first form is encountered, true will be passed to the block, and false will be blocked if the second form is encountered. options[:neg] falseopts.on( -n, [no-]negated, Negated forms ) do|n|options[:neg] nend
Sunday, February 16, 2020
Interventional Literature Review on the Prevention of Type II Diabetes Research Paper
Interventional Literature Review on the Prevention of Type II Diabetes Mellitus - Research Paper Example Vegetarian and vegan diets also improve plasma lipid concentrations and have been shown to reverse atherosclerosis progression. In clinical studies, the reported acceptability of vegetarian and vegan diets is comparable to other therapeutic regimens. The presently available... literature indicates that vegetarian and vegan diets present potential advantages for the management of type 2 diabetes. American Diabetes Association (2011).Standards of Medical Care in Diabetes - 2011. Diabetes Care, 34(S1): S11.Fasanmade, O. A., Odeniyi, I. A., and Ogbera, A. O. (2008). Diabetic Ketoacidosis: Diagnosis and Management.Ã African journal of medicine and medical sciences, 37 (2):105. Abstract The objective of this manuscript is to review the clinical manifestations, diagnosis and management of diabetic ketoacidosis, one of the most common acute complications of diabetes mellitus. We performed a medline search of the English-language literature using a combination of words (diabetic ketoacidosi s, hyperglycemic crises) to identify original studies, consensus statements and reviews on diabetic ketoacidosis published in the past 15 years. Emphasis was placed on clinical manifestations of diabetic ketoacidosis, its diagnosis and treatment.Diabetic ketoacidosis (DKA) is an acute complication of diabetes mellitus that can be life-threatening if not treated properly. Once thought to occur only in patients with type 1 diabetes, diabetic ketoacidosis has also been observed in patients with type 2 diabetes under certain conditions. The basic underlying mechanism for diabetic ketoacidosis is insulin deficiency coupled with elevated levels of counterregulatory hormones, such as glucagon, cortisol, catecholamines, and growth hormone. Diabetic ketoacidosis can be the initial presentation of diabetes mellitus or precipitated in known patients with diabetes mellitus by many factors, most commonly infection. The management of diabetic ketoacidosis involves careful clinical evaluation, cor rection of metabolic abnormalities, identification and treatment of precipitating and co-morbid conditions, appropriate long-term treatment of diabetes, and plans to prevent recurrence. Many cases of DKA can be prevented by better access to medical care, proper education, and effective communication with a health care provider during intercurrent illness. Provision of guidelines will also reduce mortality. Resources need to be redirected towards prevention by funding better access to care and educational programs. Abstract DIABETIC KETOACIDOSIS AND THE HYPERGLYCEMIC hyperosmolar state are the most serious complications of diabetic decompensation and remain associated with excess mortality. Insulin deficiency
Sunday, February 2, 2020
T-Bags Essay Example | Topics and Well Written Essays - 2500 words
T-Bags - Essay Example T-Bags is a specialty teahouse concept offering a broad and creative selection of tea beverages and accompaniments at convenient and accessible locations in the Metropolitan areas. The company provides its customers with a new tea experience by creating a new context for the traditional idea of "afternoon tea". T-Bags is different to other tea-based businesses in the U.K. market today. Most teahouses in the U.K. are usually family businesses (passed through generations) located in the countryside, or if they are in the city area, they are upscale and are housed in high-end hotels. Essentially, T-Bags is based on the specialty espresso bar concept (like Starbucks) which is already rampant throughout the country. Like the espresso bar concept, the specialty teahouse has a strong product focus - tea. However, unlike the other traditional teahouses, T-Bags offers an usually wide menu range in an environment where customers are encouraged to explore different tea flavorings and blends brought in from all over the world. In the short term, The Company's goal is to implement this concept, first, in a retail outfit of less than 800 square feet. The Company's medium term goal will then be to pursue an aggressive expansion strategy in London and other major Metropolitan areas in the U.K. to create a strong brand identity. In the long term, The Company's goal is to become the leading brand of specialty teahouses in the U.K. Although The Company's key selling point is its wide product offerings, The Company is aware that other teahouses in the market today are also able to follow this product strategy. However, The Company's unique selling point which encompasses wide product offerings, a unique customer experience and customer loyalty cannot be easily copied. The following five elements will differentiate T-Bags from its competitors and foster customer loyalty. High Quality Product Offerings. T-Bags has scoured the best places in the world that produces quality tea leaves and the products offered are uncompromising. To complement the tea-drinking experience, T-Bags also offers high quality accompaniments like sweets and pastries sourced from the same regions as the tea in order to provide a consistent experience. Customer Service. Since this business concept is new to the U.K., it is important that first purchases from customers are followed by repeat businesses. Therefore, it is crucial that all employees understand the concept of the business in informing customers of the
Saturday, January 25, 2020
Gaming Technology: Definitions
Gaming Technology: Definitions Games have been with humanity since the beginning. It is found that the different games that we play now are evolved from the games played in ancient days. Board game like Mancala was unearthed in the Sahara, Backgammon evolved from games such as Tabula and Nard talked about in ancient Roman scripts, and even in the Bible, Bicycle playing cards evolved form Tarot decks which was initially used to help predict the future. These games then turned into professional sports. Some of the games were even played for heavy money, some for competition and most of them were just for fun. With the introduction of computers, games entered a new era. The main reasons many people buying computers into their homes were games. Computer games became more popular and acceptable with introduction of best selling games such as Doom, Quake and Tomb Raider which had ultra-realistic 3D worlds. In late 90s and early 2000s, Multiplayer gaming became popular for playing games such as Ultima Online, Everquest, and Age of Empires 2. According Bidgoli (2004), by the end of 2003 over a billion people around the world will own a mobile phone and however in 2008 the number of mobile phone users worldwide soared to over 3.3 billion. With this statics games were available to be played in these devices. Mobile phones does not provide a rich and meaningful immersion on a tiny 100100 pixel screen (on average), theres one thing mobile phone benefits for playing games that they are always with you, and can be used anywhere you go. 3.2 TYPES OF MOBILE GAMES According to Fox and Verhosek (2002), the following incomplete list of mobile games genre can be produced. 1. Action games These types of games are usually played by adolescent males and involve fast reflexes. Moreover the graphics are as realistic as possible and the audio is usually rich and loud. Example of such action games include quake, missile command and pac man. 2. Combat games These types of games involve two characters playing against each other and trying to beat each other up. Example includes virtual fighter, street fighter and mortal kombat. 3. Adventure games These games require the player to discover the new worlds and play according to the plot of the game. Example includes zork, adventure island, Mario etc. 4. Puzzle games These kinds of games are usually played by audience of intelligence and cunning adults. The game requires players to use logic. Examples include tetris, Sudoku etc. 5. Strategy games These games also involve the player on thinking ahead and involves lots of pieces and possibilities. These games involve more tactics than long term strategy. Examples include warcraft, age of empire, empire earth etc. 6. Role playing games (RPG) These games are generally played by intelligent, male adolescents who read science fiction. The player has a role and the attributes changes over time and the degree of exploration. Examples include Diablo 3, Everquiest, Ultima online etc. 7. Trivia games These games are played to test the knowledge of the player. These are usually straightforward question-answer format. Examples include who wants to be a millionaire, quiz, buzzer etc 8. Word games These games involve the user to find out a word, based on some hints given. The more words the players know the better the player does. Examples include hangaroo, scrabble, hangman etc 9. Card games These games are played normally as the cards are played. The rules are the same as the rules in the physical cards game played. These may involve bluffing and betting. Examples include hearts, poker, spades, flush etc. 10. Games of chance These games are usually casino games where the game is based upon random result. Examples include roulette, slot machines etc. 11. Sports games These games involve games that we play as sports. Games such as football, basketball, hockey, cricket etc are the most famous sports 3.3 GAMING FEATURES AND TECHNOLOGIES SINGLEPLAYER Most mobile games are single player games where a user plays with an artificially intelligent opponent. The major success of single player games is interesting storylines, impressive graphics, and realistic non player characters and opponents. Some of the mobile games that run in single player mode are Tetris, Sudoku, and Fifa 09 etc. Most of these games can be played as multiplayer mode hence the user has a choice to make to play in single player mode or multiplayer mode. MULTIPLAYER A multiplayer game is a game which is played be several players. The players of a multiplayer game might be independent opponents, formed into teams or be just a single team. These kinds of games can be played in mobile phones as they are connected devices. Multiplayer functionality is achieved in mobile phones through connectivity such as: 1. Infrared connectivity 2. Bluetooth 3. GPRS 4. 3G 5. Wi-Fi 6. AI 7. MMS 8. Wireless LAN One of the main issues faced by multiplayer mobile games is latency. Most networks that exist now have latency at the minimum of 1-2 seconds, with averages more like 3-5 seconds. This stat hasnt stopped the developers on making multiplayer mobile games but teaches that the latency has to be considered with smart game design. These games include speedway and adrenalin which are both car racing games where players can play with other ghost cars. COMMU ITY Community games are a step further than the multiplayer games. In these types of games the players use their cell phones to access a community website where they can play games with many other players. The players may form a group or team and communicate with each other while playing the game. These games typically have limited graphical content and focuses on the interaction between a large number of participants. Monopoly world is one of the best known community mobile games where any player can play the game just for fun or wheel and deal real money. 3D GAMES While most of the consoles are taking the advantages of 3D technologies it is obvious that mobile can take advantage of the same rich environment. Hence a number of handsets having surprising capabilities can cope with this feature of new games. The mobile game developers can use java for 3D implementation since writing 3D is similar to writing 2D games. Java makes it easier with the introduction of M3G, the mobile 3D Graphics API. Some of the most popular 3D games that are available today are World Snooker 09 3D, 3D The Fast and The Furious etc. LOCATION BASED This kind of games uses localization technology like GPS. In most of the mobile games the games are played on mobile hardware where as in location based games the elements that matters is the location of the player and the coordinate and the movement of the player. The best example of location based mobile game is treasure hunt game called Geocaching. 3.4 LIMITATIONS OF MOBILE GAMES Mobile games are small in scope and often have many limitations. Some of the mobile games limitations listed by Marvin (2007) are as follows: Memory There are basic two types of constraints: the first covers the overall size of the application and the second is the memory space required in the memory for the application to run. Application Size Most of the mobile games are distributed to the end user by limiting the memory available. Some of the mobile phone games come on a memory card which limits the size of the application. There are many popular means of delivery such as installation Over-The-Air (OTA), where user selects a game to download on their mobile device from a list of mobile games. Even these games have limits (64 K or 128 K are typical) defined by the operators. Application Memory Space This is the memory space required when the application is running. More memory is required when the application is running than the actual application file this is due to the storage of objects at runtime, graphics storage etc. Processors Games are one among the mobile applications that uses most processor time. The calculations needed for the game takes a lot of processor cycles to perform the calculations. Mobile device manufacturers rarely state the processing power of the mobile chips but however they are much lower than those of a PC. Networking Mobile games use a spontaneous network rather than planned and are often used to fill spare moments resulting in short game sessions. These spontaneous are unreliable in cases the connectivity is lost or deliberately disconnected. For mobile devices even the network available has high latency which is the amount of time it takes to respond. The latency for a mobile network can be as high as few seconds which is too long for majority of fast action multiplayer games. TDMA: Time Division Multiple Access TDMA: Time Division Multiple Access TDMA stands for Time division multiple access. It is mainly a channel access method that is used for shared medium networks as well as a digital transmission technology that allows its users to access a single radio-frequency channels without any interference . and it allocates to its users unique time slots within each channel.TDMA is the widespread type of service that is used in North America.Mainly .TDMA is used in 2G cellular system(GSM,PDC,IDEN,IS-136,DECT) . In this case a single channel is divided into six time slots and each signal is using two time slots . To make the transmission possible each caller is assigned a specific time slot. TDMA offers high performance with respect to capacity, courage and mobility.TDMA mainly transmit data in a buffer-and-burst method and the transmission of any user is non- continuous. TDMA Frame Structure In TDMA frame structure a data stream divided into frames and those frames divided into time slots. and we explain the concept of TDMA frame structure with the help of an example:- In this case there is the TDMA frame shown which use seven set of frequencies that are sufficient to cover the large area that provides the maximum distance d that is larger than twice the maximum radius r , the radius that is being covered by each transmitter.and the length of each time slots that are generated from the frequency channels is 0.577ms and these 8 slots make a TDMA frame of length 4.615ms. There are main three burst present in the TDMA:- Normal Burst(NB) Frequency Correction Burst(FB) Synchronization Burst(SB) Access Burst(AB) Normal Burst:- The transmission of the data during the single time slot is known as a burst.and the guard time that is used to prevent the burst suffering from the overlapping is 8.25 bits. In the Normal Burst there are four types of bits as given below:- Tail Bits :- In the diagram of TDMA there is 3 bits at both of the two ends , in which there is no transmission of the data.At the beginning the the bit is used to rise up the power upto its peak during the transmission and the end it is used to down the power used at the end of the transmission. Data Bit:- Around the training bits there are two data bits each of 57 bits. Stealing Flags :- These are the flags around the training bits that are of length 1 bit and it is used to indicate that whether the burst is being used for voice or the data (set to 0)or whenever it is used for signalling (set to 1 ). Training Sequence :- In the training bits a method is being used to overcome the problem of multi-path fading and the other propagation effects .and in this 26 bits are used. Frequency Correction Burst:- FCB is mainly an unmodulated carrier which then after shift in frequency . The guard time used in the FCB is same as that of the normal bit . It is used for frequency synchronization of the mobile stations. Synchronization Burst:- The time synchronization of the mobile is possible with the help of synchronization burst .The payload used in this carries the FDMA frame number (FN) and Base Station Identity Code (BSIC). and the broadcasting in this case is with the frequency correction burst.and also broadcasting occurs on the synchronization channel. Access Burst:- Firstly the guard burst used in this very longer as compared to the normal burst , so it is 68.25bits . The mobile stations use this type of the burst for random access. It also helps to measure the unknown distance of any mobile station from the tower , when the MS wants to access to the new BTS. Features of TDMA In case of TDMA a single carrier frequency is shared among several users. and each user use the time slots. The time slots used by the users depends on several factors such as modulation techniques and the available bandwidth. Data Transmission in the case of the users of TDMA is not continuous but it occurs in bursts which results in low use of the battery consumption because the subscriber is turned off , when it is not in the use. The Handoff process is much simpler in the case of TDMA because of its discontinuity and it is able to listen to the other base stations during its idle slot time. The Transmission rates are very high in the case of TDMA as compared to the FDMA because of the Adaptive Equalization which is necessary in the case of TDMA. The guard time present in the case of TDMA should be minimum. The main advantage of TDMA is that it is very cost-effective technology which is used for upgrading a current analog system to digital. In this the battery used is of extended life and the talk time , since the mobile is only transmitting the portion of the time of the time during conversations. TDMA technology is used to separate users in time and ensure that there will not be any interference which is presented from any other simultaneous transmissions. Disadvantages of TDMA The main disadvantages of TDMA are given as below:- The main disadvantage of the TDMA is that each user that is used in the TDMA has a predefined time slot that is defined by the system and if the users roaming from one cell to another cell or from one place to any other place and are not alloted a time slot or if all the time slot available for the user are already occupied , then the user will not receive any call. The another main disadvantage of TDMA systems is interference that is created by it at a frequency which is directly connected to the time slot length.In this case or problem with the TDMA is the multiple distortion , so whenever the signal coming from one place or tower to another tower, then there are many buildings that create problem in the signal for arriving at the destination because of the interference. Efficient time schedule that is possible in the case of TDMA but it is not always easy to find it. Clock synchronization needed. Whenever there is the case of dynamic status changes of nodes on the scheduling is also handled by it. The channel utilization in the case of TDMA is very low as compared to CSMA during low contention. TDMA in Mobile Phone Systems 2G Systems:- Many 2G Systems are based on the TDMA.So we can say the TDMA as TDMA cellular systems which include the main examples of the TDMA cellular systems are GSM, IS-95, D-AMPS, PDC,iDEN and PHS. As in the case of GSM it combines the TDMA with frequency hopping and the wideband transmission , so as to minimize the interference .So in the case of GSM system,base station send the timing commands which is then helpful in the synchronization of the mobile phones which are helpful in easier transmission and decide the time .There is the guard interval in the case of GSM.There is the RACH in GSM. Whenever the mobile is in the next base ststion , then the call arrived sucessfully without any delay.and if the mobile is located beyond the 35 km range in GSM, then the RACH used in this will arrive in the time slot that is in the neighboring.So there is no special technique to limit the range of the GSM cell to 35 km .So to overcome this problem , the synchronization is changed between th e uplink and downlink in the base station. 3G Systems:- 3G system use the combination of both CDMA and TDMA . So it take the advantage of both the techniques.The most popular 3G systems are UMTS which use CDMA rather then TDMA, and in TD-CDMA and TD-SCDMA , the TDMA is combined with CDMA and TDD. Comparison Between GSM,TDMA and CDMA TDMA Firstly we all know that the TDMA become a technology of the past.In the case of TDMA the data is compressed in to packets within its same bandwidth.Some important things about the TDMA are given as below:- It act as a bridge between the analog and the digital technologies which led to the development of the GSM and iDEN. iDEN:- It is a Integrated Digital Enhanced Network and it is similar to as that of the GSM technology and it is operating at 800 MHz,1900MHz and 1.5 GHz in the US. It is used to handle the CDMA and GSM technology.It can handle three users per channel and for the purpose of more capacity and demand , it is require the use of more towers which is costly. The Data capacity in the case of TDMA is is around the 56 kbps. GSM GSM stands for Global System for Mobile Communication uses a narrow band modification of TDMA. GSM can handle up to eight users per channel. GSM mainly operates on 1900MHz. GSM is incapable of the reliable data speeds which requires the alternate technologies. GSM is more widespread around the world CDMA CDMA stand s for Code Division Multiple Access which is a technology that sent as a constant flow across larger bandwidth instead of sending a signal into packets and sent on cycles, CDMA transmissions. CDMA can handle ten users per channel, but it require more frequency to provide service. In the US, CDMA uses the standard 800MHz and 1900MHz. The data capacity in the CDMA,is fastest, which is equal to the 144 kbps. Should GMO Crops be Banned? Should GMO Crops be Banned? Genetically Modified Organism (GMOs) are works or creature that have their DNA test consolidated with DNA from the germ, infections, or different plants and creatures keeping in mind the remainder goal too. GMOs are initially used to upgrade general change to dietary substance. The GMO crop has raised worries over their own advantageous in that they are impervious to illnesses, produces more prominent yields, and it enhances the sustenance of nourishments devising the general population ignorant about their holding. Each time we go to any supermarkets or grocery stores, we would not know whether the vegetables and natural products are genetically modified. GMO crops should not be banned as GM substances can be extremely nourishing and can have a much bigger yield than un-adjusted harvests. This is especially helpful in spots like Africa where there isnt great soil to develop the important products to manage themselves. GM nourishments can also withstand colder climates and droughts. Their development time is additionally less in GM subsistence. Developing countries can also sell the crops produced in order to help them in financial trouble. Hereditarily altered nourishments are gainful to nature, well-being, and are more solid than typical plants. By designing the BT poison in the genomes of plants, researchers have diminished the requirement for pesticides. The BT poison is just dangerous to the creepy crawlies that eat it. Likewise, its innocuous to people. This is superior to utilizing customary pesticides since its objective particular, and it influences the bugs that eat underlying foundations of plants and in addition those that tunnel in the plant tissues. Those bugs were beforehand unaffected in light of the fact that pesticides are connected to the plant remotely. Then again, numerous individuals trust that genetically altered sustenance is hurtful to the body. Hereditarily adjusted item is the after-effect of a long biochemical research and item improvement. In spite of the fact that researchers are creating organic chemistry for the lessening of destructive things in the item, regardless, this item conveys a hazardous substance for the body. These unsafe substances consequently prompt to various gastric infections and issues with the skin. This nourishment can likewise prompt to genuine infringement of the bodys digestion system, which prompts to a standout amongst the most unsafe issues of humankind weight. As indicated by measurement of an American researcher, many individuals have stoutness, as a result of eating GM nourishment. In addition, due to the truth that GM merchandise can reason serious fitness troubles people have commenced searching for new methods to replace such dangerous food. A main UN/World Bank-sponsored file compiled with the aid of 400 scientists and endorsed through 58 international locations concluded that GM crops have little to provide world agriculture and the challenges of poverty, hunger, and climate change because better selections are available. In particular, the record championed agro-ecological farming as the sustainable way forward for creating countries. This is one of the ways, which ought to be realized in many countries, according to researchers at Michigan University. Also, agriculture region is working to enhance new methods of farming, which can replace GM food. As I would see it, I think GMO products should be banned as the young era of individuals will have distinctive infections of eating these GMO sustenances. Clearly, these days developing GMO crops has turned into a colossal industry that it cant be stopped however, I accept there are different approaches to spare individuals from hunger. Sources: http://www.mapsofworld.com/infographics/poll/should-genetically-modified-foods-be-banned-text.html http://www.eatingwell.com/food_news_origins/food_news/should_the_us_ban_genetically_modified_organisms_gmos https://www.loc.gov/law/help/restrictions-on-gmos/usa.php http://www.geneticallymodifiedfoods.co.uk/fact-sheet-pros-vs-cons.html http://healthresearchfunding.org/pros-cons-genetically-modified-foods/ https://laurenmarieee.wordpress.com/2015/04/17/persuasive-essay/ http://www.fouryearsincollege.com/sample-essay-genetically-modified-foods-good-or-bad http://www.shareyouressays.com/104888/short-essay-on-genetically-modified-crop
Friday, January 17, 2020
Tattoo Essay
TATTOO Indians , Japaneses , American and African civilizations maked a tattoo for ornamental. In many civilizations tattoo used for protection to sickness and evil spirits. Tattoo used for emphasize the position of the individual in society (slave,lord,soldier,etc. ) A. C. 2000 in egypt , first tattoo found in mummy. Britons,Gauls and Thracians interested to tattoo art. Hellen and roman civilizations used tattoo for slave nd guilties people. First christian people wrote Jesus name to their body.Tattoo swords coming from Tahiti language ââ¬Å"tautauâ⬠. Tattoo was used romantic feeling , patriotism or religionist aim but in 20 century just prof tattoo makers doing this art who has a licance . Because of hygiene problems and contegion as like AIDS. Tattoo , people usually say its a kind of an addiction. Well I think they are mostly right. But it depends on the people for sure. Some people are getting inked just for the model they like. Some are getting inked to tell others the th ings he has on deep inside his mind.People also say inked people will be regretful in the future cause they think tattooed people will get bored of their tattoos. Actually there is no really something like that. Tattoo is a way to show people what or who you are. Its a lifestyle. Or maybe just art. Tattoo will be a taboo for those forever. And the most amazing thing for some others,us. I love tattoo , I think tattoo isn't a sin . If you are ready tk get inked, you got to make sure you are doing it safe. You need A clean place and the professional hands .Its your body and There is no return at all. Price is never the same at tattoo studios. There is only one reason,quality. You re getting a painting on your body, get it well done! When you are getting inked, you need to be sober. If you drink alcohol,that makes your blood run faster and that means more blood out. Yes some of your blood would want to get out of your veins the pain of tattoo changes for the people. Some people says it a little bit hurts. Some even faint. Nothing to worry though. I think it's worth a shot.
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