Computers are an integral part of life and so is computer education.
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The rise of humans was dependent on numerous factors, but the most important may have been the ability to increase humanity’s collective knowledge. If each invention during human history had to be continually reinvented from scratch, there would not be people today. The cultural transmission of innovations was critical for growing humanity’s collective technology, skills, and intelligence. Striking stones to fashion tools was new on Earth, and it was likely invented , and then proliferated as others learned the skill. The pattern of proliferation of stone tool culture in Africa supports that idea.
Although our species, (named if we consider that Neanderthals and an are subspecies of but I will use in this essay to denote today’s humans), is the only survivor of the past several million years of human-line evolution, many of our cousins and ancestors were recognizably human. When did language begin, especially spoken language? Language certainly predated the appearance of . All great apes readily learn sign language, and even when monkeys chatter, the , and there is plenty of evidence that great ape vocalizations can . The and their corvid cousins can be hard to believe; they can solve some problems better than great apes can, and birds do not have a neocortex, but seems to function like the neocortex does. Becoming that began to . If fossils are sufficiently preserved, important anatomical features can provide key evidence for human abilities and behaviors. Turkana Boy, for instance, had his inner ear, which is responsible for balance, preserved well enough so that it provided more evidence that he did not spend time in trees (it is larger in primates that regularly climb). Similarly, the , which succeeded , apparently enabled keener hearing than its predecessors were capable of, and may have reflected the beginnings of spoken language. There is strong evidence that . As with many other human traits, the potential for language seems to have existed with monkeys (), and it kept developing more sophistication over vast stretches of time, and structural and cognitive changes interacted as human language developed into today’s version.
Essay on the importance of Computer in the Modern Society
In 2013, average Americans used about 80 times the energy that was provided by their diets, which has been called having 80 energy slaves, but that understates the reality. A barrel of oil provides about one year of the calories needed to fuel a human body, but if that oil were used to power machines, it would perform more than ten man-years of work, often doing work that humans could not perform in any case, such as propelling an automobile. Each American really has several hundred energy slaves working for him/her, which is why the average American lives a richer lifestyle than Earth’s richest human of two centuries ago. In 2013, the energy in the oil wrested from Earth’s crust contained enough energy to power several hundred energy slaves. Add in the other energy resources, and industrialized humanity rode on the backs of about one energy slaves. In today's industrialized nations, humans perform a tiny fraction of one percent of the actual work done; energy-powered machines perform more than 99.9% of it. In contrast, the reproduction of intelligence is in its infancy. In 2012, humanity's 500 most powerful supercomputers achieved the combined computing power of three human brains. The day that each human has even one "mind slave" is a distant future event.
Essay on the importance of Computer in the Modern Society ..
The modern use of is little more than pumping electrons to power electrical equipment, in the same basic fashion that running water was used to run . The electron flow, like running water, is not the ultimate source of energy, but is just an energy flow that humans harnessed, although humans the electron flow, unlike the . With electricity, the first major applications had . But coal-fired electric generators quickly became the standard, for the , and coal power today provides . Electrons pumped across copper wires became a major innovation that led to modern homes and cities. Before electricity was used to transmit energy, power was only available at the site where usable energy was produced. Watermills, windmills, and heat engines transmitted pre-electrical energy via gears, straps, and pulleys, which were cumbersome and dangerous. With the , factories became far more versatile and humane, and as cities and homes were electrified, they were radically transformed. The USA led the world in introducing electrical appliances to homes; refrigerators, thermostatically controlled central heating and air conditioning, vacuum cleaners, washing machines, dryers, dish washers, radios, televisions, and computers, to name a few innovations, made the early 21st century’s home virtually unrecognizable to a home-dweller during the USA’s Civil War. Electricity also powers the process used today to , and modern equipment of all kinds would simply be infeasible without electricity.