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CS101 Introduction to Computing Lecture 2 Evolution of Computing. During the Last Lecture …. We learnt about the Analytical Engine - the first general-purpose, digital computer – and its inventor Charles Babbage
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But first, why should we spend time on recounting the events of the past?Why not just talk about what is happening in computing now and what is going to happen in the future?Why not?
on its own
Enough about Alan Turing and two of his landmark contributions towards computingLet’s look at another milestone in the evolution of computing
It was a very useful technology for computing, but it took 35 years before vacuum tubes appeared in a computer.And that first electronic computer was the ABC
A very important event took place in 1951Until now, most all computers were designed for military or government use. And generally were custom-made for the taskIn 1951, the first mass-produced commercial computer was introduced. It was the …… UNIVAC 1
So far, we have spoken about computer hardware onlyLet us now introduce ourselves to one of the key events in the evolution of computer programming …... the invention of the compiler
It could analyze up to 300 billion chess moves in three minutes
Deep Blue, a supercomputer designed by IBM, beat Gary Kasparov, the world chess championThat computer was exceptionally fast, did not get tired or bored
It just kept on analyzing the situation and kept on searching until it found the perfect move from its list of possible moves
(the current state-of the-art)
Quantum Computing is based on the ideas present in the field of QUANTUM MECHANICS:the branch of physics that describes the activity of subatomic particles, i.e. the particles that make up atoms
Read the following article that is available on the Web:
Quantum Computing with Molecules
by Neil Gershenfeld and Isaac L. Chuang
What have we learnt today?We have learnt about some of the important milestones on the journey that started from the Analytical Engine and so far has taken us to the tiny, portable computer-telephone of todayWe also saw how computing transitioned from mechanical to electro-mechanical to tube to transistor technology and now is poised to take a breathtaking twist towards quantum computing