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When referring to televisions, the aspect ratio essentially tells us the shape of a TV image - and is also used to refer to the shape of our televisions.
The ratio that it refers to is the width of the image divided by the height.
For those of you old enough to remember (ok, we're not actually going that far back!), the traditional shape of a television screen was almost square. It was slightly wider than it was high, but not by much.
This TV screen shape was designed to match the shape of the images that were sent to our TVs, and it was known as a "4 by 3" image - also known as 4:3 or 4x3.
This means that the image was 4 units wide and 3 units high. The physical size of the units doesn't matter - it could be 4 inches by 3 inches, 4 feet by 3 feet or 8 feet by 6 feet - but the relationship between the width and the height is always 4 across and 3 down.
As the actual size of the image doesn't matter, it is often easier to express this 4:3 relationship as a ratio. This means that if we divide the width by the height, then 4 ÷ 3 = 1.33.
So 1.33 (or 1.33:1) is said to be the aspect ratio of a 4:3 TV image or television.
You will often find the aspect ratio referred to as either of these two numbers, but they both mean the same thing. When you do see these terms, then it is just telling you the basic shape of an image or screen.
As with all technology, times change and the boffins try and improve on what we already have. Therefore, it was thought that this traditional 4:3 aspect ratio used in television viewing could be improved.
Although originally 1.33:1, the traditional aspect ratio of movies has for a long time been different to the 'square' images were used to seeing on our televisions. This meant the image shape was much wider than it was high. You can see this by the wide shape of the screen in a cinema or movie theater.
This wide image shape was thought to more closely reflect the way that our eyes worked - and so was a more natural way for us to see things.
With the introduction of HDTV and digital television, the result has been a slow but steady switch to 'widescreen' televisions.
The widescreen image we see on our TVs isn't quite the same shape as they use in movies, but it is similar.
The actual shape that has become standard for HDTVs is a "16 by 9" image. This is the standard HD aspect ratio. As with a 4:3 image, this means that the picture is 16 units wide and 9 units high - therefore much wider in comparison to the height.
You're probably way ahead of me now, but we can also express this widescreen image as a ratio.
Therefore, 16 ÷ 9 = 1.77. This number is usually rounded up to 1.78 - so when you see a reference to 1.78 or 1.78:1, then you know that the image or TV screen will be widescreen - or 16:9.
Celebrating Srinivasa Ramanujan's 125th birthday, Google posted a doodle on its homepage. The doodle features a boy trying to solve some mathematical equations and geometrical figures, which form the letters of the word 'Google'. But who was Srinivasa Ramanujan?
Born on 22 December 1887, Srinivasa Ramanujan was an Indian mathematician who made extraordinary contributions to mathematical analysis, number theory, infinite series, and continued fractions. He was an autodidact. Living in India with no access to the larger mathematical community, Srinivasa Ramanujan came up with his own mathematical research in isolation.
Ramanujan was born in a poor Hindu Brahmin family. His introduction to formal mathematics began at age 10. He demonstrated a natural ability. By the age of 12, he mastered books on advanced trigonometry written by S. L. Loney. Ramanujan discovered theorems of his own.
On 14 July 1909, Ramanujan got married to Janaki Ammal, a ten-year old bride.
In 1912-1913, he sent out samples of his theorems to three academics at the University of Cambridge. His brilliance was recgonised and he was invited to visit and work at Cambridge. He became a Fellow of the Royal Society and a Fellow of Trinity College, Cambridge.
On 26 April 1920, Ramanujan died of illness, malnutrition, and possibly liver infection at the age of 32.
In December 2011, Prime Minister Manmohan Singh declared 2012 as the 'National Mathematical year' as a tribute to maths wizard Srinivasa Ramanujan. Singh also declared December 22, the birthday of Ramanujan, as 'National Mathematics Day.'
"A genius like Ramanujan would shine bright even in the most adverse of circumstances, but we should be geared to encourage and nurture good talent which may not be of the same calibre as that of Ramanujan", Singh had once said.
It is believed that a biography of Ramanujan named "The Man Who Knew Infinity: A Life of the Genius Ramanujan," written by Professor Robert Kanigel has made Ramanujan well known to the public at large all over the world.
Along with CV Raman and Subramanyam Chandrashekhar (both Nobel laureates), Srinivasa Ramanujan is said to be among the three great men of science and mathematics that Tamil Nadu and India have given to the world of modern times.
Sharing his thoughts on Srinivasa Ramanujan, the great mathematician, after whom the year was named as the National Year of Mathematics, Dr Kalam said, "Ramanujan lived for 33 years only. But he was an exceptional mathematician."
source :http://m.ibnlive.com/wsf/article_mobilePageNew.php?id=311805&sid=11
After becoming the most-watched video ever on YouTube, Korean singer Psy's pop sensation "Gangnam Style" has now booked a place in popular culture with recognition from a renowned British dictionary.
"Gangnam Style" has been named among the Collins dictionary's words of the year along with "mummy porn", "fiscal cliff" and "Romneyshambles". Psy's song was the dictionary's word for November - when his horse dance video became YouTube's most popular clip, 'Mirror News' reported.
"Mummy porn" became April's word of the year as the erotic novel 'Fifty Shades of Grey' was published during that month and became an instant bestseller. Defeated presidential candidate Mitt Romney made in it July after critics branded his visit to London a "Romneyshambles".
"Jubilympics" was June's word, while "Games Makers" was August's due to the volunteers who made the Olympic event in UK a success. Each word was submitted by the public to the on-line dictionary at www.collinsdictionary.com/submission.
However, the publishers said not all 12 words had the staying power to make it to the print edition. "We are astounded by how quickly new trends form. Choosing one word for 2012 didn't match the pace of change," Ian Brookes, consulting editor at Collins, said.
"Choosing just one word for 2012 didn't match the pace at which our language is changing, so we selected one popular word to represent each month from the whole range of those submitted," he said.
Words that made it the dictionary this year are 'Broga' for January, 'Legbomb' in February, 'Eurogeddon' (March), 'Mummy Porn' (April), 'Zuckered' for May. 'Jubilympics' was word of the year for June, 'Romneyshambles' for July, 'Games Makers' for August, '47 per cent' in September, 'Superstorm' (October), 'Gangnam Style' for November and 'Fiscal cliff' for December.
On Friday, the BCCI announced the full schedule of the 2013 season which will run from April 3 to May 26 across 11 venues in India. Kolkata Knight Riders, the current IPL champions, and Delhi Daredevils will play each other on the opening of the sixth season of the IPL on April 3 at Eden Gardens.
As per the IPL guidelines, franchises will have a salary cap of up to Rs 12.5 million for their squads.Often the simplest game is to avoid what did best the previous year, look at the subdued valuations of laggards and bet on a catch-up depending on the economic cycle. Rank underlying economic growth rates, factor in policy shifts and you're away. And after five years of stomach-churning global crises, the more conservative western money managers won't even think of leaving home without at least some basic 'security checks' - let alone set off for exotic new frontiers.
So the basis of most 2013 forecasts are the pretty critical assumptions that the euro won't collapse, the United States will dodge its looming "fiscal cliff" of tax and spending crunches, and that China's economy has averted a nosedive in growth. If none of that sounds an alarm, and you don't want to hunker down at home, then this year's tidal wave of central bank liquidity and money-printing from central banks in Washington, London, Frankfurt and Tokyo is waiting to be surfed.
Reuters global stock market polls yet again tell a story of BRIC rebirth. After two years in which the stock markets of the four emerging giants underperformed even those of bailed-out Greece, Ireland, Portugal, Italy and Spain - despite vastly superior economic growth rates - the old ploy of hoovering up what's been beaten down seems unshakeable. China's long-suffering Shanghai Composite - one of the few major bourses still in the red this year, down 25 per cent from early 2011 and still less than half its 2007 peak - is easily the favourite destination for money managers, with median forecast gains of 17 per cent.
read more at http://m.ibnlive.com/wsf/article_mobilePageNew.php?id=311665&sid=7
Dhoni may have not had the best of times on the field but that has not stopped him from paying Rs 12 crore towards income tax.
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Victory in all four games for India, currently ranked third on the T20I table with 120 ratings points, will not only propel them to number one position with a gain of 12 rating points but will also open up a five-point lead over current table toppers, Sri Lanka. This will be the first time that India have a chance of making it to the No.1 spot in the T20I championship table since it was launched in October 2011.
But if India lose even one of the four matches, the best they can hope to end 2012 is at the number two place, while losing all four could mean slipping down to as low as seventh position with 106 ratings points. England and Pakistan could hope to push up a place if they win their games against India.
Meanwhile, South Africa could rise up to number two spot if they win the series against the New Zealand 3-0. But the final positioning for South Africa will be determined by the outcome of India's series against England and Pakistan."The sale of all tickets for the 2nd Twenty20 match between India and England to be played on Saturday, 22nd December 2012 will be made online at
http://in.bookmyshow.com/cricket/india-vs-england-t20-2012
" said a media release issued by MCA's joint secretaries Nitin Dalal and Dr P V Shetty.
There will be "no counter sale of tickets at the box office", the release added. The opening T20 game of the series is to be held at Pune's Subrata Roy Sahara Stadium on Thursday.To run Ubuntu from a USB stick, the first thing you need to do is insert a USB stick with at least 2GB of free space into your PC.
The easiest way to put Ubuntu onto your stick is to use the USB installer provided at pendrivelinux.com. You'll need to download and install and follow the instructions.
Download Pen Drive Linux's USB Installer
read more at http://www.ubuntu.com/download/help/create-a-usb-stick-on-windows
SCHEME AND DATE OF TEST : | |||||||||||||||||||||
i) | The Test will consist of three papers. All the three papers will consist of only objective type questions and will be held on 30th December, 2012 (SUNDAY) in two separate sessions as under: | ||||||||||||||||||||
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Examination Date | : | Sunday; Dec. 30, 2012 |