today man’s scientific knowledge is very wide and highly advanced. It has helped him to discover and invent many things for his ease, comfort and efficiency. Image source: prajwaldesai.com/wp content/uploads/2012/12/installation_software.jpg charles babbage developed the first analytical engine in 1812. This machine had the concepts of modern computers namely memory, arithmetic unit and capacity to handle stored programme. But this machine could not be put into practical applications due to technological limitations tat that time.

first generation computers:

in 1854, george boole, invented the logic system which is the basis for today’s digital computers.

In 1937, the first electro machine calculator was developed by howard and aitten. In 1951, remington rand corporation of usa brought out a commercial computer named univac universal automatic computer. The fourth generation computer, presently manufactured by usa, japan and other european and asian countries are based on large scale integration. They will think the human brain, collect most information from their reservoir of memory, and make expert judgment and decisions. Many of the routine activities in today’s society are being performed by computers. The traffic in the some major cities is, to a large degree controlled by computer.

Hence computer has marked a new era in the history of development of man’s life. Because of its extremely high seed, a computer can carry out calculation in just a few minutes that would require months perhaps even years if carried by hand. These machines can be programmed and can be made to perform repetitive type of calculations consistently, accurately and speedily. Finally, it is important to appreciate the once a computer has been given a piece of information, it is always capable of ‘remembering’ it at any time. The computer, however, can always find any piece of information that it has in store, and this data can be reproduced tomorrow, or in years to come, exactly in its original form provided that nobody has deliberately changed it.

Writing of a programme is essential for computer, and it is the job of a specialist. A computer programme is the complete list of instructions which the computer performs in order to solve a problem. We all need is to look ahead and to mark the changes coming in the world on account of computer and profit from it. See the magnifying glass icon in the top right corner? click on that and type word in the little bubble that appears below it. It will run a search in about a millisecond and bring back all files with word in the title. Note: this is, of course, assuming you bought ms office for your macbook, right? if you haven 039 t i 039 m not sure what if any native wordprocessor apps come with it.

You can click on the word app and open word, or you can put 2 fingers on the mouse pad and click that is the same as the right click on pcs which should give you a small menu that lets you make a clone of it or put it on the desktop or something so you don 039 t have to search for it everytime. Once you get it on the desktop, you can click and drag the icon to the docking area where there is that lineup of all the applications. Or, you can run the program by clicking on the icon from the list when the search function finds it and it will appear in the docking area. Then 2 finger click on that icon in the docking area and it will give you small menu where one of the options should be to permanently affix it to the docking bar or something like that. You will love the mac once you get used to the minor differences in the operating system like the 2 finger click instead of right click.

You can also do a 2 finger slide to scroll the window you are looking at up and down and side to side. That way, you can access it from any computer with internet access and don 039 t have to save it to a flash drive or email it to yourself or take your macbook with you everywhere you want to use it. And some of the people above mentioned a few other sites where you can get free software to use that you can check out too.

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