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Fundamental of computers historical evolution of computers and computer generations

Fundamental Of Computers INTRODUCTION Let us begin with the word ‘ compute ’, which means ‘ to calculate ’. We all are familiar with calculations in our day to day life. We apply mathematical operations like addition, subtraction, multiplication, etc. and many other formulae for calculations. Simpler calculations take less time but complex calculations take much longer time. Another factor is accuracy in calculations. Definition of Computer A computer is an electronic machine that operates under the control of instructions, that accepts the input data, processes or manipulates the given data according to the predefined instructions and stores the result for the future use. Computer parts and their names shown in a picture below. It can also retrieve stored results as and when required again. Now days data is processed with the help of computer. This modern technique process data is known as Electronic Data Processing (EDP) . HISTORICAL EVOLUT...

Computer generations names and their timeline technology evolution changes the world

COMPUTER GENERATIONS Each generation of computers is characterized by major technological development that fundamentally changed the way computers operate. Smaller Cheaper Powerful Efficient Reliable devices. Read about each generation and the developments that led to the current devices that we use today. The term generation indicates the type of technology used in the computer construction. As new technology was emerging, it was being used in the making of computer. The new technology improved the speed, accuracy and storage capacity of the computers. Different technologies have been used for computers in different times. Therefore, computers can be divided into five generations depending upon the technologies used. 1.First Generation (1946 – 1959) 2.Second Generation (1959 – 1965) 3.Third Generation (1965 – 1971) 4.Fourth Generation (1971- 1985) 5.Fifth Generation (1985 onwards) First Generation (1946-1959) A...

Types of computers and classification in different aspect of technology

Though in general we use digital computers, however, present day computers may be classified into three categories: Analogue Digital Hybrid

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