The computer was born not for entertainment or email but out of a need to solve a serious number-crunching crisis. By 1880 the U.S. population had grown so large that it took more than seven years to tabulate the U.S. Census results. The government sought a faster way to get the job done‚ giving rise to punch-card based computers that took up entire rooms. Today‚ we carry more computing power on our smartphones than was available in these early models. The following brief history of computing is
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Before computers there were not telephone answering machines‚ handheld calculators‚ fax machines‚ personal computers. People did what they had to do without these things. People wrote letter by hand or with a typewriter‚ they also kept track of data and numbers in ledgers. They were not texting each other‚ there was either in person or over the phone. . Computers are integral to our daily lives and there are millions used daily. Computers are used at home‚ work‚ and school. They are also embedded
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Function of digital computer A typical digital computer system has four basic functional elements: (1) input-output equipment. (2) main memory. (3) control unit. (4) arithmetic-logic unit. Any of a number of devices is used to enter data and program instructions into a computer and to gain access to the results of the processing operation. Common input devices include keyboards and optical scanners; output devices include printers and cathode-ray tube and liquid-crystal display monitors
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Etymology The first recorded use of the word “computer” was in 1613 in a book called “The yong mans gleanings” by English writer Richard Braithwait I haue read the truest computer of Times‚ and the best Arithmetician that euer breathed‚ and he reduceth thy dayes into a short number. It referred to a person who carried out calculations‚ or computations‚ and the word continued with the same meaning until the middle of the 20th century. From the end of the 19th century the word began to take on its
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Computer Ever since the computers were invented‚ people’s lives have changed a lot‚ which brought many benefits and conveniences to these people. In current society‚ there is at least one computer being held in every household‚ which means that people use the computer every day and it has become a useful resource in their lives. The first effect of the computer is that‚ it gives convenience and saves time in workplace settings. The most commonly used programs in the workplace are word and excel
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Forman 28th March‚ 2012 ENG 102 IJC Effects of Computers on Society Discoveries and invention of devices are always welcomed till we‚ humans find a way to abuse its benefits and be adversely affected by it. Computers have influenced all sphere of modern society in a big way by the way people keep in touch with each other‚ the way people entertain themselves using computer and the way people buy and sell things. In todays present‚ although computers have changed in many different ways all activities
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Name: __________________________ Date: _____________ 1. Young children typically try to stay very close to their parents when they are in an unfamiliar setting. This best illustrates the adaptive value of: A) habituation. B) conservation. C) the rooting reflex. D) attachment. E) egocentrism. 2. The branch of psychology that systematically focuses on the physical‚ mental‚ and social changes that occur throughout the life cycle is called: A) clinical psychology. B) social psychology
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nothing is impossible When we look at our mistakes and think as to what we have lost due to our mistakes‚ we tend to get depressed and it contributes to further loss in life. We may not be able to do anything if we lose hope and embrace negative attitude. We need to be positive always and believe that nothing is impossible. Now I am going to say about a popular person’s success. That is the President of USA “Barrack Obama” Barrack Obama: Many of us may criticize Barrack Obama for conferring
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latest of a long series of information technologies‚ which includes printing‚ mail‚ radio‚ television and the telephone. It is the application of computers and telecommunications equipment to store‚ retrieve‚ transmit and manipulate data‚ often in the context of a business or other enterprise. The term is commonly used as a synonym for computers and computer networks‚ but it also encompasses other information distribution technologies such as television and telephones. Information technology refers
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Nothing is Impossible All of us‚ at some stage‚ have dreamed of being somebody special‚ somebody famous‚ a celebrity. Who hasn’t imagined about being the player scoring the game-winning touchdown? Who hasn’t dreamed of being the next miss universe? And how many times have we dreamed of being a millionaire‚ or successful‚ or happy with our love life? Generally‚ we dream huge dreams and have big aspirations. Mostly however‚ our dreams remain only that – dreams. Eventually our hopes are just get
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