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The Data Link Layer
2009-09-14
Data Link Layer Design Issues: types of service: unacknowledged connectionless service, acknowledged connectionless service, acknowledged connection-oriented service; framing: character count, starting and ending characters with character stuffing, starting and ending flags with bit stuffing, physical layer coding violations. Data Link Layer Design Issues: Error Control: acknowledgements, time-outs, frame sequencing; Flow control: f ast sender vs. slow receiver.
The ISO/OSI Reference Model
2009-09-14
The OSI Model: basic principles of layered architecture: each layer means different layer of abstraction, each layer should perform a well defined function, the functions of layer should promote standardization, the information flow across the interfaces should be minimized, the number of layers should be large enough to separate functionality and small enough to keep the architecture under control, introduced in 1983, the OSI model has seven layers, the OSI model is not a network architecture, it does not specify the exact services ant protocols.
Įmonių ekonomika
2009-09-11
Ekonomikos samprata. Pagrindiniai ekonomikos tikslai. Ekonomikos reikšmė ir galutinis jos tikslas. Pagrindinė ekonomikos problema. Ekonominių sistemų tipai. Ekonomikos sąlygos. Ekonomikos principai. Smulkaus ir vidutinio verslo samprata ir formavimosi sąlygos. Valstybės įtaka šalies ekonomikai. Įmonės tikslai, aplinka. Įmonių tipai. Įmonių susijungimas. Įmonių turtas. Gamybos išlaidos. Gaminių kainų nustatymas. Pelnas ir pelningumas. Materialiniai ištekliai ir jų panaudojimas. Įmonės valdymas. Gamybos procesas. Darbo normavimas. Įmonės personalas. Darbo apmokėjimas. Įmonės inovacijos.
My SQL
2009-09-02
Apraš sudaro dvi dalys. Pirmojoje dalyje (MySQLlt1.doc) rasite tokius skyrelius: literalai, vartotojo kintamieji, stulpeliai, SELECT ir WHERE operatoriuose naudojamos funkcijos. Antrojoje dalyje rasite įvairių sintaksių aprašymus.
The Pyramids of Egypt (Egipto piramidės)
2009-09-01
Though we have a comprehensive site on the Pyramids of Egypt, this is a summary overview for those who would like to digest just a little less information. The Great Pyramids of Giza are some of the most famous manmade objects in the world, and they have been famous since ancient times. In fact, the Great Pyramid of Khufu (Cheops) is the only "Wonder of the Ancient World" that still survives.
Fire
2009-08-06
Fire fighting, techniques used to extinguish fires and limit the damage caused by them. Fire fighting consists of removing one or more of the three elements essential to combustion — fuel, heat, and oxygen — or of interrupting the combustion chain reaction. The Roman emperor Augustus is credited with instituting a corps of fire - fighting watchmen in 24 hours. Regulations for checking and preventing fires were developed. In the preindustrial era most cities had watchmen
Drugs
2009-08-06
Drug dependence. Opioids. Stimulants. Hallucinogens. Cannabis. Inhalants. Drug dependence, psychological and sometimes physical state characterized by a compulsion to take a drug in order to experience its psychological effects. Psychological dependence, or habituation, is present when the compulsion to take a drug is strong, even in the absence of physical withdrawal symptoms.
Environment
2009-08-06
No human being can stand apart from the environment because each of us is a part of a natural world. We all depend upon our environment and our environment is depending upon us. Our survival and survival of the future generations depend upon a healthy world.
Lithuanian language
2009-07-25
Rašinėlis apie Lietuvių kalbą.
Speaking phrases
2009-07-25
Anglų kalbos kalbėjimo frazės.
The Problem of Generation Gap
2009-07-16
Anglų kalbos kalbėjimo tema.
Having a Pet
2009-07-16
Anglų kalbos kalbėjimo tema.
Clean up the World
2009-07-10
The work of ecology. Air’s pollution. Earht’s pollution. Water’s pollution. The End. Olden time’s people lived in accord with the nature. Later, when the humanity have created powerful machines, various chemical materials, learned to govern the nuclear energy, there appeared lots of ecological problems. The most important elements of our surroundings - air, water and soil are more and more polluted.
English in informatics homework
2009-07-09
3D Graphics cards. Keywords: 3D graphics, acceleration, antialiasing, alphatransparency, depth cueing, fogging, mipmapping, AGP, PCI, DirectX®, OpenGL®, Glide®, texture, frame buffer. Annotation.
Basketball
2009-07-09
Basketball is a ball sport in which two teams of five players each try to score points by throwing the ball through a basket. Basketball is highly suited to viewing by spectators, as it is primarily an indoor sport, played in a relatively small playing area, or "court," with only ten players, and using a large ball which is easy to follow. Additionally, the lack of protective gear makes it easy to see the reactions of the players. It is one of the most popular sports in the United States, and is also popular in other parts of the world, including South America, southern Europe, and the former Soviet Union, especially Lithuania.
Suicides in the modern world
2009-07-09
The Aim is to make a review on scientific literature. The Problem of the report is: The main causes of suicide; people’s condition who usually make it. Research methods used: I used closed questions because they allow respondents to answer the question very quickly, not using much time. In reason that findings would be more reliable I choose random sample. The majority of my respondents were students. There were 25 respondents, 68% of them were females and 32% males. The average of their age was 20.
Violence shown on TV
2009-07-09
I read one article that psychologists did an experiment to answer the question of violence influence on kids in which they showed each of two groups of children a different version of a video tape: One group saw video A which showed a lady acting normally with a big doll. The second group saw video B which showed a lady acting aggressively with the same doll. She was kicking and hitting the doll violently.
Chernobyl accident
2009-07-09
• The Chernobyl accident in 1986 was the result of a flawed reactor design that was operated with inadequately trained personnel and without proper regard for safety. • The resulting steam explosion and fire released about five percent of the radioactive reactor core into the atmosphere and downwind. • 30 people were killed, and there have since been up to ten deaths from thyroid cancer due to the accident. • An authoritative UN report in 2000 confirmed that there is no scientific evidence of any significant radiation-related health effects to most people exposed.
Big city problems
2009-07-09
Since the foundation of Sćo Paulo, flood caused by summer rains has always been a serious problem, almost paralyzing the whole city. Year after year, many people die during these tropical rains, which devastate large areas of the city. 2000 was no exception. In March, inside the Anhangabaś Tunnel, in the downtown area, more than 160 vehicles got blocked by the rising water and were submerged as the tunnel flooded and the pumps didn't work fast enough. All over the city 14 people died and lots of houses and shops were invaded by mud and water.
Describing people
2009-07-09
A descriptive essay about a person should consist of: a) an Introduction in which you give general information about the person, saying when, where and how you first met them; b) a Main Body in which you describe their physical appearance, personal qualities and hobbies/interest. You start a new paragraph for each topic; c) a Conclusion in which you write your comments and/or feelings about the person.
Hip-Hop istorija
2009-07-09
HIP-HOP - šis dviejų paprastų žodžių junginys šiandien yra įgijęs nepaprastą reikšmę ne tik muzikoje, bet ir nemažos dalies jaunimo gyvenime. O viskas prasidėjo visiškai nekaltai - nuo mažos kibirkšties. Kai Niujorko gatvėse vaikai šoko breiką, ar kažką panašaus į tai, kai didžėjai vakarėlių metu "išsidirbinėjo" su plokštelėmis, o MCs su mikrofonais, kai namų sienos ir traukinių vagonai nusidažė įvairiomis spalvomis, niekas net neįsivaizdavo, kad visa tai išaugs į tokį kultūrinį judėjimą, kuris išpopuliarės visame pasaulyje.
Lithuania
2009-07-09
Lithuania is situated on the eastern shore of the Baltic Sea and borders Latvia on the north, Belarus on the east and south, and Poland and the Kaliningrad region of Russia on the southwest. It is a country of gently rolling hills, many forests, rivers and streams, and lakes. Its principal natural resource is agricultural land. Government. Parliamentary democracy. History. The Liths, or Lithuanians, united in the 12th century under the rule of Mindaugas, who became king in 1251.
Jau seniai vartotojas ir jo poreikiai tapę vienu iš svarbiausių objektų kiekvienos organizacijos veikloje. Vartotojų elgsenos pažinimas rinkodaros specialistams leidžia suprasti ir numatyti vartotojų elgesį pirkimo vietoje, taip pat suteikia galimybę suprasti, kokią įtaką vartojimas daro kiekvieno individo gyvenime. Vartotojų elgsena, jų poreikių žinojimas, organizaciją įgalina efektyviau juos patenkinti, taip pat kurti abipusę naudą.
Puerto Rikas
2009-07-09
Even though Puerto Rico has three times voted against becoming a U.S. state, yet another effort is being made to persuade Puerto Rico to change its mind. Of course, the Democratic Party thinks making Puerto Rico our 51st state is a cool idea because that would give the Democrats two additional U.S. Senators and 6 to 8 additional Members of the House, more congressional representation than 25 of our 50 states.
Vitamins
2009-07-09
All living things, plant or animal, need vitamins for health, growth, and reproduction. Yet vitamins are not a source of calories and do not contribute significantly to body mass. The plant or animal uses vitamins as tools in processes that regulate chemical activities in the organism and that use basic food elements-carbohydrates, fats, and proteins-to form tissues and to produce energy.Vitamins can be used over and over, and only tiny amounts are needed to replace those that are lost.
The most famous designers
2009-07-09
Giorgio Armani is the world's second largest selling designer (the first is Ralph Lauren) who sells approx. $ 2 billion per year retail. His products are sold in over 100 countries. He has reached this position because everyone looks fabulous when they wear Armani, they feel so confident, so chic and yet so utterly(visiskai) themselves. It is like magic. He is the magician. 1934 Giorgio Armani was born in Piacanza, Italy, an industrial town about 20 miles south of Milan. He was the son of Marie and Ugo Armani.
Living Well
2009-07-09
There are two big problems in our life: people eating bad balanced food ar outher thei smoking. Health is the most important thing in a person’s life. Eating habits is a big part of a healthy life, so to keep yourself in a healthy way you have to eat only healthy and well-balanced food. In the first place, I should say that fruit and vegetables is the main component of food which you have to eat in order to stay healthy.
Acid Rain
2009-07-09
Acid rain is a serious problem with disastrous effects. Each day this serious problem increases, many people believe that this issue is too small to deal with right now this issue should be met head on and solved before it is too late. In the following paragraphs I will be discussing the impact has on the wildlife and how our atmosphere is being destroyed by acid rain. CAUSES Acid rain is a cancer eating into the face of Eastern Canada and the North Eastern United States.
