Computer is an electronic machine which inputs data, processes on it and produces the output. A computer can process data, sound pictures, and graphics.
They can solve highly complicated problems quickly and accurately. A computer performs five major computer operations or function irrespective of their size and make.
What Is A Computer?
It is an electronic device that is designed to work with information. The term computer is derived from the Latin term computer.
This means to program the machine to be able to calculate. It cannot do anything without the program. By the binary digits, it represents the decimal numbers through a string. The central processor unit internal memory refers to the word computer.
Use Of Computer
College students spend an average of 5-6 hours a week on the internet. Students exposed to the internet say they think the web has helped them improve the quality of their academic research and their written work.
Getting the right information is a major challenge as is getting information to make sense. Research shows that computers can significantly enhance performance in learning. One revolution in education is the advent of distance education.
Advantages Of Computer
It can be designed to do any of activity provided all data and instructions are made available to it in digital form. The computer is a versatile device. The important advantage of the computer are:
It processes data according to the sequence of instruction hence; if input data and procedures are correct, the output will be consistently accurate. The computer can ensure a consistently very high degree of accuracy in computations.
Computers make it possible to receive, supply and process large volumes of data at very high speed. Modern computers have the incredible speed of processing. It takes only a few seconds for calculation that we take hours to complete.
You can also store data in secondary storage devices such as floppies, which can be kept on your computer and can be carried to other computers. The computer has an inbuilt memory where it can store a large amount of data.
If millions of calculations are to be performed, a computer will perform every calculation with the same accuracy. Due to this capability, it overpowers human being in the routine type of work.
A computer is free from tiredness, lack of concentration, fatigue, etc. it can work for hours without creating any error.
It means the capacity to perform a completely different type of work. Next moment you may use it for inventory management or to prepare electric bills. You may use your computer to prepare payroll slips.
For many years, people correctly viewed their computer system as a processor connected to passive peripherals. Several factors motivate the shift toward intelligent devices.
These include preprocessing data to mitigate the I/O bottleneck, hard-coding function onto a device for fast, easily supported applications, and supporting application-specific functionality.
However, peripheral devices now have processing capabilities, giving them “intelligence.” However, most of the justifications for intelligent devices can be summarized by a single principle.
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