History and evolution of computers pdf

Doc assignment on evolution and history of computer. A computer is an electronic device used for storing and processing data and carrying out sequence of operations. I circuit, which is used in a computer for any arithmetical or logical functions to be performed in any program. More recent books i have purchased attempt to be too detailed for someone that simply wants to read how their pc or macintosh computer came about. This paper therefore emphasizes the need to study history of the computer because a proper study and understanding of the evolution of computers will undoubtedly help to greatly improve on computer technologies. We have gathered history of computers right from 3rd century b. This paper therefore emphasizes the need to study history of the computer because a proper study and understanding of the evolution of computers will. A computer is an electronic machine that accepts information, stores it, processes it according to the instructions provided by a user and then returns the result.

Ppt evolution of computers powerpoint presentation free. The earliest foundations of what would become computer science predate the invention of the modern digital computer. Apr 19, 2010 evolution of computers learn the brief history of evolution of the computer discuss how the computer technology develops over the next generations slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Transistorized computers are normally referred to as second generation and dominated the late 1950s and early 1960s. Csca0101 computing basics 31 history of computers the second generation secondgeneration computers moved from cryptic binary machine language to symbolic, or assembly, languages, which allowed programmers to specify instructions in words. Mar 18, 2017 download history of computers ppt and pdf. Evolution of the computer official site of ivan maurits. The history of computers initially started with humans using tools like pebbles and notches in sticks to count objects. The five generations of computers information technology.

These programs enable computers to perform an extremely wide range of tasks. The computers which we see around us belong to the fourth generation computers. Ddataivandosenpengaplikom1cevolution of the computer. The calculating machine invented by blaise pascal in 1642 and. Evolution of the pc since the personal computer debuted in 1971, a darwinesque evolution process has lifted the pc from modest beginnings to its. The evolution of digital computing is often divided into generations. Analog computers are believed to have been first developed by the greeks with the antikythera mechanism, which was used for astronomy. Abacus, an early computing tool, the invention of logarithm by john napier and the invention of slide rules by william oughtred were significant events in the evolution of computers from these early computing devices. The history of computer dated back to the period of scientific revolution i. The tools or mechanical tool used to help in calculation are called calculators while the machine operator that help in calculations is called computer. The history of computing is longer than the history of computing hardware and modern computing technology and includes the history of methods intended for pen and paper or for chalk and slate, with or without the aid of tables. The calculations of this period were specialized and expensive, requiring years of training in mathematics. The history of computers, although published in 1995, remains my favorite book related to the history of early computers.

This replaced the fragile and power hungry valves with a much smaller and more reliable component. Computers timeline of computer history computer history. The universal language in which computers carry out processor instructions originated in the 17th century in the form of the binary numerical system. Each one of the five generations of computers is characterized by a major technological development that fundamentally changed the way computers operate. Developed by german philosopher and mathematician gottfried wilhelm leibniz, the system came about as a way to represent decimal numbers using only two digits. Learn about some key events in computer history duration of lesson. May 27, 2009 evolution of the pc since the personal computer debuted in 1971, a darwinesque evolution process has lifted the pc from modest beginnings to its current role as an indispensable part of life in.

Start of modern science computer science is traced way back to the age when man still dwelled in caves or forests and lived in groups for. Pdf summary pf history and evolution of computers modou. Digital computing is intimately tied to the representation of numbers. The five generations of computers the history of computer development is often referred to in reference to the different generations of computing devices. Each generation of computer or history of computer is characterized by a major technological development that fundamentally changed the way computers operate, resulting in increasingly smaller, cheaper, more powerful and more efficient and reliable devices.

So, in brief, it is any device which helps the human kind in solving different types of computations. Major milestones in development of modern day computers development of internet, browser and other internet based applications, games and linux. The ibm main frame computers a1952, ibm announced the 701 electronic data processing machine afirst of its successful 7007000 mainframe computers afortran was developed during 1955 and 56 amicroprogramming was invented during this time. History of computers earliest computer originally calculations were computed by humans, whose job title was computers. The next major step in the history of computing was the invention of the transistor in 1947. Before learning about evolution of computers, first let us know the definition of a computer. The pentium introduced several advances that made programs run faster such as the ability to execute several instructions at the same time and support for graphics and music. Short history of computing by frank mccown is licensed under a creative commons attributionnoncommercial 3. Lesson introduction today, we can not imagine our world without computers. Modern computers are digital in nature and are immensely more. The human aspect of computers is that they wanted a way to do calculations, which includes adding and multiplying multiple numbers. History of computers a brief timeline of their evolution. The evolution of computers, 1st, 2nd, 3rd, 4th generation, and more to come. Computer is a programmable machine which skillfully operates the data depending on the instructions.

He designed the analytical engine and it was this design that the basic framework of the computers of today are based on. Essay about the history of computers 16 words bartleby. The five generations of computers webopedia reference. Which invention resulted in the evolution of second generation computer. Computer history museum the pentium is the fifth generation of the x86 line of microprocessors from intel, the basis for the ibm pc and its clones. Frank mccown harding university computer science dept photos were obtained from the web, and is held by the respective owners. The evolution of computers goes long back ago and its very interesting as well as quite important for understanding the working of computer.

Each generation is characterized by dramatic improvements over the previous generation in the technology used to build computers, the internal organization of computer systems, and programming languages. Modern computers have the ability to follow generalized sets of operations, called programs. Various devices that have been used for computations in the past. Each generation of computer is characterized by a major technological development that fundamentally changed the way computers operate, resulting in increasingly smaller. The antikythera mechanism was discovered 1901 and was dated back to circa 100 bce. Aug 19, 2014 evolution and history of computers ppt pdf tip. The first computer was arguably invented around 4,000 years ago with the advent of the abacus, the first machine designed to help humans count and calculate. The modern history of computing stanford encyclopedia of.

The history of computer development is a computer science topic that is often used to reference the different generations of computing devices. Be curious about computer history and appreciate the computers they use everyday. Generally speaking, computers can be classified into three generations. History of computer, computer history, evolution of. The history of computers dates back to the invention of a mechanical adding machine in 1642. The history of computer hardware covers the developments from simple devices to aid calculation, to mechanical calculators, punched card data processing and on to modern stored program computers. The term computing machine, used increasingly from the. Historically, computers were human clerks who calculated in accordance with effective methods. This chapter examines such tradeoffs and their potential impact on the evolution of the communication infrastructure as well as the activities it will. The computer evolution is indeed an interesting topic that has been explained.

The history of computing in the history of technology. The oxford advanced learners dictionary 1995 simply defines history as the study of past events. Secondgeneration computers still relied on punched cards for input and printouts for output. The questions of the history of technology the state of the literature in history of computing emerges perhaps more clearly by comparison and by contrast with what is currently appearing in the history of technology in general and with the questions that have occupied historians of technology over the past decade or so. A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming. Micro processor is the main concept behind this generation of computer. In discussing the history of computers, chronological record of events particularly in the area of technological development will be explained. We are giving here history of computers ppt and pdf. Before we could arrive at the present day computers, it has. History of computer, computer history, evolution of computer.

History and evolution of computers computers are generally defined as automated machines where data are input, processed and. The following brief history of computing is a timeline of how computers evolved from their humble beginnings to the machines of today that surf the internet, play games and stream multimedia in. The computer as we know it today had its beginning with a 19th century english mathematics professor name charles babbage. Explore a timeline of the history of computers and computing technology from the.

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