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Thursday, October 29, 2015

Computer Technology



Computer Technology
Computer is a device that accept data and manipulates data for some result based on program on how the data is to be processed.
Complex computer also include the means for storing data for necessary duration. A program may invariable and built into the computer or different program may provided into computer. Today’s computer have both programming.
Computer Technology is the study of the hardware and software that are the foundations of modern computer systems. Computers are now a fundamental part of everyday lives, controlling everything from toasters to nuclear power stations. The need to build and deploy effective computing infrastructure is now crucial to business and other organizations.
 Operating systems are computer programs that control computers – allowing us to store information and run application software. They must support new hardware with multiple processors, ever faster and larger memories and a myriad of accessories and add-ons. You’ll go beyond Microsoft Windows to learn about alternative operating systems, how operating systems work, and how to set up secure systems.
Modern computer systems depend on the networks that interconnect them. Once built on telephone lines, these networks now run on optical fibers and carry millions of voice and video conversations. The demand for people who have the skills to build new and better networks is ever expanding; today’s applications require more speed, mobility, reliability and capacity than yesterday’s, and tomorrow’s networks will even more. You’ll gain those skills – learning from networks lecturers who have significant industry experience themselves, and who can show you cutting-edge research and development in this field.
In 1833 the English scientist C. Babbage developed a plan for an “analytical machine”—a giant adding machine with programmed control and arithmetic and memory units. How-ever, he was not able to complete this project, primarily be-cause the technology was not sufficiently developed at that time. Material on this machine was published only in 1888, after the author’s death. Only 100 years later did Babbage’s research attract the attention of engineers, but mathematicians took immediate note of it. In 1842 the Italian mathematician Menabrea published his notes from lectures given by Babbage at Turin on the analytical machine. There are so many version of computer and mobile computer which are very fast and capable than earlier.
Types of computer
There are different types of computer based on generation and size.
The major types of computers are:
1.      Super computer.
2.      Mainframe computer.
3.      Minicomputer.
4.      Microcomputer.

The types of computer based on generation are given below:
1.      First generation.
2.      Second generation.
3.      Third generation.
4.      Fourth generation.
5.      Fifth generation.


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