Frequency modulation (FM) is a form of modulation which represents information as variations in the instantaneous frequency of a carrier wave. (Contrast this with amplitude modulation, in which the amplitude of the carrier is varied while its frequency remains constant.)In analog applications, the carrier frequency is varied in direct proportion to changes in the amplitude […]
Florence Nightingale is best remembered for her work as a nurse during the Crimean War and her contribution towards the reform of the sanitary conditions in military field hospitals. However, what is less well known about this amazing woman is her love of mathematics, especially statistics, and how this love played an important part in
Every year, as millions of women marry, they dream of starting a family, of having their homes filled with tiny cries and the happy laughter of gurgling babies. In India however, pregnancy is too often followed by the question of whether the unborn child is a girl or a boy.Marriage in the Hindu fold of
Have you ever been scolded for not covering your mouth while yawning or talking while having your dinner? Since these gestures are natural, a number of times we are not aware of its impact on others.Well, most of these courtesies can be traced back to the Middle Ages to the era of kings and queens,
Electronic mail, sometimes called email, is a computer based method of sending messages from one computer user to another. These messages usually consist of individual pieces of text which you can send to another computer user even if the other user is not logged in (i.e. using the computer) at the time you send your
India is committed to providing basic education to its citizens, the framework of which is defined in the National Policy on Education. Elementary education is now compulsory in India. At the time of Independence only 14% of India’s population was literate. Today, fifty years later, the number of literates have increased by five fold.Emphasis has
There are varying opinions regarding the future of e-commerce. Despite the fact that online sales are growing exponentially, some analysts believe that e-commerce is heading for a fall.For instance, 34 percent of online shoppers describe themselves as comparison shoppers but only 8 percent of traditional shoppers describe themselves as comparison shoppers. Another comparison is that
Did you know that 90% of women dislike the way they look? And it’s all because of the media and their emphasis on the ‘ideal’ figure of a woman. Supermodels and other Barbie-doll-figure-inspired women grace the cover of magazines all over the world promoting a ‘perfect’ shape. Girls of all ages think that this is
Today young generation of our country is in the grip of drug addiction. Drugs doesn’t differenciate between rich and poor. The parents of nearly all young addicts never imagined that their sons or daughters could fall victims to this dangerous vice.We all thought that drug addiction was an evil of the West. It is here
Silenced by their culture large populations of women in India tolerate abuse and subsequent death because they have provided insufficient dowry. In a culture that is male dominated women are raised to be servants to their husbands often arranged to marry a man that they have never met. Women that are beaten or just unhappy
Sir Donald ‘Don’ George Bradman, (August 27, 1908– February 25, 2001) was an Australian cricket player who is universally regarded as the greatest batsman of all time, and is one of Australia’s most popular sporting heroes. Among those who have a meaningful Test match batting average through batting in more than 20 innings, his figure
DNA is a long fiber, like a hair, only thinner and longer. It is made from two strands that stick together with a slight twist. Proteins attach to the DNA help the strands coil up into a chromosome when the cell gets ready to divide.The DNA is organized into stretches of genes, stretches where proteins
“… … What the mess is this?”“What Dad?”“I told you not to leave your dirty shoes on the carpet. …And what’s this? ……That’s mine. And you broke it. And is this glue all over the table? I told you not to use glue without first asking permission.”Child said, “Mom and my teachers lets me use
Digital cameras allow computer users to take pictures and store the photographed images digitally instead of on traditional film. With some digital cameras, a user downloads the stored pictures from the digital camera to a computer using special software included with the camera. With others, the camera stores the pictures directly on a floppy disk
Cyber crime consists of specific crimes dealing with computers and networks (such as hacking) and the facilitation of traditional crime through the use of computers (child pornography, hate crimes, telemarketing/ Internet fraud). In addition to cyber crime, there is also ‘computer-supported crime’ which covers the use of computers by criminals for communication and document or