ISDN VS. Cable Modem :: science

ISDN VS. Cable Modem 1.0 Introduction The Internet is a network of networks that interconnects computers around the world, supporting both business and residential users. In 1994, a multimedia Internet application known as the World Wide Web became popular. The higher bandwidth needs of this application have highlighted the limited Internet access speeds available to residential users. Even at 28.8 Kilobits per second (Kbps)—the fastest residential access commonly available at the time of this writing—the transfer of graphical images can be frustratingly slow. This report examines two enhancements to existing residential communications infrastructure: Integrated Services Digital Network (ISDN), and cable television networks upgraded to pass bi-directional digital traffic (Cable Modems). It analyzes the potential of each enhancement to deliver Internet access to residential users. It validates the hypothesis that upgraded cable networks can deliver residential Internet access more cost-effectively, while offering a broader range of services. The research for this report consisted of case studies of two commercial deployments of residential Internet access, each introduced in the spring of 1994: Â · Continental Cablevision and Performance Systems International (PSI) jointly developed PSICable, an Internet access service deployed over upgraded cable plant in Cambridge, Massachusetts; Â · Internex, Inc. began selling Internet access over ISDN telephone circuits available from Pacific Bell. Internex's customers are residences and small businesses in the "Silicon Valley" area south of San Francisco, California. 2.0 The Internet When a home is connected to the Internet, residential communications infrastructure serves as the "last mile" of the connection between the home computer and the rest of the computers on the Internet. This section describes the Internet technology involved in that connection. This section does not discuss other aspects of Internet technology in detail; that is well done elsewhere. Rather, it focuses on the services that need to be provided for home computer users to connect to the Internet. 2.1 ISDN and upgraded cable networks will each provide different functionality (e.g. type and speed of access) and cost profiles for Internet connections. It might seem simple enough to figure out which option can provide the needed level of service for the least cost, and declare that option "better." A key problem with this approach is that it is difficult to define exactly the needed level of service for an Internet connection. The requirements depend on the applications being run over the connection, but these applications are constantly changing. As a result, so are the costs of meeting the applications' requirements.

Discursive essay on abortion Essay

Abortion is an issue that people have been questioning for generations. It is often a very hard personal decision to make; you must consider all sides of the issue. Abortion is the removal of a foetus before it has been born. Some call this murder; others say it is a matter of personal rights. Here I will explore all the arguments for abortion, leaving you to make this decision for yourself. Many women have abortions for many different reasons. Some because they feel they are too young, they do not want to have a child, or because they were raped. They may feel a child will restrict their ability to live their lives to the fullest at a younger age or simply because they cannot afford one. There are many reasons that a woman may choose to terminate her pregnancy each different from the next. She might not want to be a single parent, she doesn’t want to marry her partner, he can’t or won’t marry, or she isn’t in a relationship. She might not want anyone to know she has had sex or is pregnant due to family reasons or embarrassment. Or the most logical reason- she or the foetus has a health problem. Abortion ends a pregnancy before birth takes place. When an embryo or foetus dies in the womb and is expelled by the body, it is called a spontaneous abortion (miscarriage) and is natural and unpreventable. To end pregnancy voluntarily, is an induced a bortion. When a foetus is dead at birth, it is called a stillbirth. More than 90% of all abortions are performed during the first three months of pregnancy. In fact, more than half are performed within the first two months. These abortions are usually performed at a hospital or abortion clinic, and the women go home an hour or so later. Abortion in the last three months of pregnancy is extremely rare but still do take place. Only about 1 out of 10,000 abortions take place after 24 weeks. These are the most complicated and are performed only when the pregnancy seriously threatens a woman’s health or life or when the foetus is severely deformed. Most women who have abortions are under 25 years old and unmarried. Divorced women and women with financial difficulties are more likely to choose abortion than any other women. Nearly one-third are in school. After abortion most women will feel a brief sadness or other negative feeling but recover very quickly. These problems, if prolonged, are often called â€Å"post-abortion syndrome†. Abortion is a very grave sin in the Catholic Church unless the woman’s life is in danger. The fifth commandment states † thou shall not kill.† Catholics have said: ‘Human life is sacred because from its beginning it involves the creative action of God. God alone is the Lord of life from its beginning until its end, no one can under any circumstance claim for himself the right directly to destroy an innocent human being.’ And ‘Do not slay the innocent and the righteous.’ The deliberate murder of an innocent person is gravely wrong to the dignity of the human being, to the golden rule and to the Creator, say the Catholic Church. Pro-life groups say that abortion is deliberate murder, even though the foetus is unborn. They believe that as the foetus is living, it has rights and therefore abortion qualifies as a killing. They say that if the woman did not want to have a child, she should not have had unprotected sex and so it is her own fault and she must bear the brunt of it. If your mother had decided to abort, you would not be here now. But pro-choice groups say that just because the woman got pregnant by mistake or without realising the consequences does not mean that she should give birth to a child that she is unready or unwilling for. This applies most profoundly in the case of teenage pregnancies, as 1/3 of women choosing to have abortion are still in school. They say that having a child could drastic decrease the woman’s quality of life, especially if she is financially insecure. In the year 2000, 1.3 million abortions took place. If it was made illegal, the world’s population would be increasing at an even higher rate than it is now. Many people also say that since the foetus is incapable of self-conscious thought it is not yet a person, and so the rights given to people do not apply to it. Another pro-choice argument is that legalizing abortions has eliminated many illegal abortions performed by unskilled practitioners under unsanitary conditions. These abortions often caused death and permanent reproductive  injuries. Abortion on demand also prevents unwanted births, possibly lowering infant and child abuse and neglect rates.

English Speech About Big World and on Her Knees

English Speech: How would you feel if your mother had to clean other people’s houses to make a living? How far would you really go for a friend, would you sacrifice a love life, your education? Out of all the books I have read, I absolutely love Tim Winton’s short stories, 2 short stories that I loved are â€Å"On Her knees† and â€Å"Big World†.I have particularly enjoyed â€Å"On her knees† not only because of its intriguing name but because it depicts the issue of dignity throughout the whole story and it taught me that â€Å"there is more honor in scrubbing other people’s floors than in having strangers scrub your own†, the second story â€Å"Big World† depicts the issue of friendship which also teaches me that â€Å"Friendship can evolve through the smallest of incidents† Now to the short story â€Å"Big World† which is about an emotional journey for a young man and his friend Biggie, who have recently failed their exams.As life becomes monotonous by working in a abattoir, they decide to escapee and go as far away as they can from the town they had lived in, Angelus, so they buy an old VW which later breaks down and as the realization seeps in on how stupid the idea was, they decide to go separate ways. Friendship is one of the main themes in this short story; it expresses the idea of two friends who make sacrifices for each other so their friendship will be able to continue on.This can be seen in several times in the story; one is where the persona sacrifices his love for Briony9 Nevis, quote: â€Å"out of loyalty† and when the persona does Biggie’s homework â€Å"†¦his whole academic success was his essay on the demise of Led Zeppelin, but then I wrote that for him†¦Ã¢â‚¬  A technique that shows friendship is first person, making it seem as a personal experience, this point of view also enables the author to manipulate the reader’s feelings and judgment s. This method also helps in creating an atmosphere where the reader feels as if he or she is one with the narrator which gets the story to be more involving. For example: In the short story, the event in which Biggie’s father is described as a beater and that if Biggie were to return home his father â€Å"His father would beat the shit out of him†¦Ã¢â‚¬  which creates a sense of sympathy towards Biggie and a sense of antipathy towards his father. â€Å"On her knees† which is about a son’s perception of his mother’s cleaning work that is contrasted with pride and dignity, which is accentuated when she is falsely accused of theft. The short story itself is about dignity, about maintaining dignity and understanding its meaning.What makes this a good read, is that the title itself contradicts the whole idea of dignity, the fact that when someone is on their knees, they are in a degrading state but in this short story Winton has effectively shown that this is not true and that no matter what occupation your mother has you will always be quote: â€Å"proud of her good name†. The narrator Victor Lang loa thes to see his mother lower herself and degrade her own dignity just to provide an education for him quote: â€Å"†¦ my mother cleaned houses to pay debts and keep us afloat and get me through university†¦ , this depicts how the mother had a â€Å"come-down† from her previous job as a receptionist, as long as her son is well provided for, such a high class occupation to a â€Å"domestic benchmark†. The â€Å"veins livid in her legs† represent labor, pain and strain which in contrast to the character of the house owner is regarded as admirable. A further comparison of the narrator's and the owner's shows that while they of low class have a neat clean home, those of â€Å"higher class† have a messy one full of neglect. A sad truth is put forth in this story where the value of a pair of earrings surpasses the value of a human being.A technique that shows dignity is symbolism. For example: the action of the boy taking a shower can be translated in to a wanting to escape form this situation. The mother is said to give the boy a â€Å"lecture†, which suggests that she is in control leading to another symbol of imprisonment for the boy. The car is another clever use of symbolism where the car represents the boy's life. It is said to be â€Å"reeking† which shows that the narrator hates his life. The cranking down of the window represents a desire to escape.The mother is said to be driving carefully which shows two things: a) that she is in control of his life and b) that she makes sure she takes the safest route, protecting her son from harm. Not only have both of these short stories alienated me in such a way, but I found these stories surprisingly beautiful, I highly advise for you to read these two great short stories, because the next time you are facing troubles in life, you remember what Carol Lang had to go through in life, remember what happens when you don’t face your problems in life, not like a bo y, but like a man.

Dont Get Me Started Essay

Public transport! Don’t you just think people absolutely love them? Just don’t get me started on buses, taxies, trains and planes. I totally understand that public transport is for us and to meet are individual needs and to make are life’s easier but sometimes public transport is not the best source to travel, trust me on this one! London, Birmingham, Manchester all has public transport and they are all horrendous. Don’t get me started on, if they are road works going on, strikes, and trains getting cancelled . The things which annoy me about public transport are, let’s take buses for example: Buses they are awful! On one December morning as you stand in the freezing cold as it rains and drip drop drip as the rain falls on you, your nose red as a tomato and your finger tips frozen as ice waiting for a bus, do you agree with me or not? As you just wait for the big bright lights to shine fiercely and to glow in the distance as you wait patiently. Trains are better but they still have negatives just like buses, with trains you just can’t even be a minute late because the train is just not going to wait, as you are running 100 miles per hour just like an athlete Usain Bolt as he runs like a cheetah and sprints cross the track. Get ready for the roller coaster ride of your life time†¦ Meanwhile as we stand there and wait for a bus and getting late for school, college, university and work as you look at are watches the bus it coming at 8:30 am, as we look are watches after 10 minutes its 8:40 am, there is no bus in site, as you look at the bus timetable for two minutes to and look around the bus has come and its driving away, As you run behind the bus to catch it, You jump in to it and fall right in someone’s lap, Awchh! Oh my god! After falling over right in someone lap and finally finding a seat, then you have to face the grumpy general public of the UK you just have sit next to someone which you don’t want to, they look funny, smell funny and blasting music which you can hear though their earphones which is very disturbing. People sat around you, coughing, sneezing in your lovely ace which is not very hygienic and not clean and its worse when you have to stand up in a train and hang on to one of the supporting barriers and people are just stood right next to you and have their long arm up in air right next to your face and awful and very disturbing smells spreading in the air. There is always one in the train or bus which just has nothing better to do and just stare at everyone. Public transport is essential to get around but we face many troubles every day in then and in the moring rush hour, as people rush to get on the buses and trains as they: push, run and bang into each other.

Political Cartoon Essay

This political cartoon shows President NoyNoy with the word â€Å"political maneuvers† written on his arm pushing two letters, the R and the H with difficulty because of big rocks with the words objection, 2013 polls and moral issues written on each rock. The cartoon also shows how hard it was for Pnoy because of the sweat on his head. Symbols that were used in this political cartoon are 1) the word â€Å"political maneuver† on Pnoy’s arm, 2) the letter R and H, and 3) the rocks with the word â€Å"objection†, â€Å"2013 Polls† and â€Å"moral issues† Looking at this political cartoon it only illustrates that Pnoy with his skillful tactics push RH bill passing through many objectives, through his political maneuvers, he will be able to have good performance and even crash political and moral issues thrown against him. As a teacher, I am a leader and as a leader, I am not fond of manipulating my student, their grades and even what is happening inside the class. We all know that Pnoy is a good leader whom played the most in achieving economic growth of our country is also known to be a person who wants to promote RH bill no matter how hard it is for the majority to accept it still he will not let it go. I am not against RH bill, and I am not pro abortion, it’s just I want to teach people lesson on giving birth among children whom they can’t support and will be like others begging on the streets and in the end be one of the government dependents. But I am not allowing manipulations or tricks just to fool us around, just to crash moral issues and other objections. I still believe in the moral values our late Pres. Cory imbued to our present president today and will do what is good for our country with due respect and transparency to all Filipino citizens. A pro-RH candidate shaking upon seeing two big feet with â€Å"Catholic Vote† written on it is shown in this political cartoon. This cartoon uses a big foot which represents the majority who opposes the RH bill because they called themselves Catholic, a Christian who lives in a Christian country and should be against violation of life and liberty. This only shows that being a pro-RH bill is a big threat to get big chance of winning in election. The cartoon shows how great is the power of the catholic people who are against the RH bill. A candidate must have a strong political spirit whom he can fight for what he stands for. Yes, majority of the people in the Philippines are Catholics but we must also realize that there are also Catholics who are  pro-RH bill. Catholic Church must not influence voters in not voting pro-RH candidates. Even they have strong influence among the Filipinos; still we must practice a free and democratic way of choosing and electing government officials. Knowing a candidate whether he is a pro or anti-RH bill will never stop him in wanting to serve our country. We must really know who among them are real and who are not. For me, the Catholic Church must not enter with the voting issues anymore, they must listen on how those candidates would love to serve our country whether they are pro or anti-RH bill.

Why do Identity Theft Offenders target middle class women at shopping Research Paper

Why do Identity Theft Offenders target middle class women at shopping malls & how can we prevent this from happening - Research Paper Example The paper intends to state that IPv4/IPv6 provides assistance to frame solid and customize networking system in the area of IP addressing system, security communication and data transmission for the various users. United Nation Convention through the implementation of IPv4/IPv6 evaluates various protections, controlling and combating measures against trafficking of the middle class women and various criminal offenses and impulses. In the contemporary society, identity theft is becoming one of the emerging issues affecting people, especially women of middle class. The identity theft offender target women of middle class as they are not very tech savvy and are not aware of the aspect of confidentiality and privacy while operating technology or cards. In this context, it is worth mentioning that middle class women are getting more inclined towards shopping in the modern era. Owing to this increasing trend of shopping the identity theft offenders are targeting middle class women wherein the shopping mall acts as a medium. It is observed that women tend to spend much of their time in shopping on regular basis at shopping mall. The lack of tech awareness makes women a soft target as they are not very expert in using their plastic cards while shopping malls (Pratt et al., 2010). The chances of maintaining confidentiality and privacy are lacked amid the people of middle class. The identity theft offenders use shoppin g mall as a medium to target the middle class women in order to get data and misuse the same. Due to this lack of technical awareness women were getting targeted and affected in a negative manner. The information can be easily collected by the offenders through shopping malls as due to lack of knowledge women do not use the cards and their details in a confidential manner. In this regard, in order to mitigate such issues this research

CONVENT LIFE OF A CAMELITE NUN Essay Example | Topics and Well Written Essays - 1250 words

CONVENT LIFE OF A CAMELITE NUN - Essay Example Her new novice’s veil seemed to have its own source of light and it radiated above her feet, catching the rays of the moon from the small, high window. This reminded Jessie of the momentous decision which had brought her here to begin a new life of prayer and seclusion. Thinking of the greatness of God and the exciting prospect of joining this community of nuns, Jessie eventually fell asleep. There was a faint ringing in the distance, and Jessie dreamed of the convent garden, where she would pray with the other novices. The sun would shine and she would sing with the nuns, happy at last to be a part of their community. How sweet the bell sounded, and how glorious it was to have a calling to be a Carmelite nun! There would be endless days of sunshine and singing, and Jessie would look serene and contented in her distinctive habit and veil, happy at last to have found her true vocation. A rough hand shook Jessie’s shoulder and she opened her eyes to see an older woman shaking her fist and looking very cross. In total silence the nun pulled Jessie from the bed and dragged her down the corridor to the washroom. In less than three minutes she was stripped of her nightgown and bundled into the uniform of the novitiate – a full-length brown habit and the white novice’s veil. â€Å"Wait, wait, I have to adjust my clothes† she cried, searching in vain for a mirror, but the nun placed one finger on Jessie’s lips and pushed her unceremoniously through the door. The chapel was filled with nuns. Jessie slunk in to a pew at the back, and tried to look inconspicuous. An hour of silent prayer was followed by an hour of psalms and readings and then a formal Mass. The overriding sensation that Jessie felt was tiredness, although boredom and hunger also troubled her during these lengthy rituals. Everyone else seemed to know exactly what to do. When to sit, or to stand, and how to respond to the Divine Office. At last, the nuns filed