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how computer is useful to us

There was a time when it took a lot of time to do long calculations, not only this, sometimes there was a lack of accuracy, but after the invention of the computer (how computer is useful to us), not only counting but many complex tasks have become easy. Today computers are present in every field. Today all tasks have become easy due to computers. From school to the corporate world, the dominance of computers is seen today.

What is a computer?

Computer is an electronic machine that has been programmed for arithmetic and logic tasks. Computer is a ‘Latin’ word, which means ‘to calculate’. It has two main parts – hardware and software. With changing technology, computers are seen in many sizes and shapes today.

With the help of computers, any information and data can be easily manipulated, not only this, storing, retrieving and processing of data is also done with the help of computers. Modern computers have programs with the help of which we can do many tasks simultaneously. Today, many tasks like preparing e-mails, presentations, calculating data, documents, design have become easy due to computers. Computers have made communication easy today. (how computer is useful to us)

History of Computer

Although the computer was invented thousands of years ago, but then the shape, size and way of working on the computer were all different. However, with time, many changes came in the computer as well. First of all, a device called Abacus was invented, which was a computer itself and was used for calculations. It was made of wood.(how computer is useful to us)

The first digital computer, also known as the Arithmetic Machine, was invented by Blaise Pascal in the year 1642.

The first mechanical computer was invented in the year 1822. It was invented by Charles Babbage. In this, program storage was used through punch cards. It used to be so big that a whole room was needed to keep it.

Features of Computer


Computer is equipped with many features.

• Accuracy: Largest data can be calculated accurately in a computer.

• Reliability: Even if the same input is entered in a computer in a different way or repeatedly, it gives the same result.

• Memory: Computer gives you the facility to store all your data, files, presentations, documents. For this, primary and secondary memory (removable device) is provided in it.

• Speed: Along with reliability, accuracy and speed are also special features of computer. With its help, even largest data can be calculated at speed.

• Saving money: Paperless work has become possible due to computer, due to which not only paper but also money is saved.

how computer is useful to us

Types of Computer


Computer does not only mean desktop and laptop, but computers are many types of machines, which we use for different purposes.

1. Desktop Computer: It is specially designed for table i.e. desk. Desktop is mostly used in school, college or at home. It has computer screen i.e. monitor along with keyboard, mouse and CPU. It becomes difficult to take it to another place.

2. Laptop Computer: It is much more compact than desktop. It has monitor, mouse, keyboard and CPU all in one machine. Being compact, it is also portable. It can be easily carried while traveling.

3. Tablet Computer: It is mostly used by school children for online reading and it is also a very handy machine for graphics design. In today’s era of e-books, tablets are also used to read books online.

4. Server: The work of providing information to other computers through the network is done with the help of the server. Whenever you see or search anything on the Internet, you see only the things stored on the server.(what does a computer need to work)

Applications of Computer

Today computers are found in every field, from which its usefulness can be ascertained.

• With the help of computer, internet, sending or receiving e-mail, document or presentation can be made.

• For online teaching and learning.

• Computers are also used in hospitals for X-ray, CT scan, surgery.

• ATM is also a computer with the help of which we can withdraw money from the bank.

• Product design, online (digital) marketing, to communicate with the client.

• To manage records in government offices.

Generation of Computer

Computers have mainly five generations.

1. First Generation: The first generation of computers was between 1946 and 1959. Its size used to be very large.

2. Second Generation: The period from 1956 to 1963 is known for the second generation of computers. Transistors were used in computers.

3. Third Generation: The third generation of computers was between 1965 to 1971. Integrated circuits were used in it.

4. Fourth Generation: The period from 1970 to 1985 was the fourth generation of computers. Microprocessors were used in it.

5. Fifth Generation: The computers we are using today are of the fifth generation. Today artificial intelligence is also used in it.

Conclusion

Due to the accuracy, speed and reliability of computers (how computer is useful to us), it is used in every field today. Due to features like multitasking and complex calculations, it has become possible to do all the work easily. Today many areas have become paperless, this has been possible only because of computers. Due to which money is also saved.(what does a computer need to work)

Frequently Asked Questions (FAQs)

Q1. What is a computer And what is its use?

Computer is an electronic machine that has been programmed for arithmetic and logic work. With its help, it has become easy to store documents, presentations, data, do complex calculations.

Q2. What is done with a computer?

Multitasking can be done with the help of a computer. Sending or receiving e-mails, making presentations, doing complex calculations, etc. can be done easily.

Q3. When was the computer invented?

The first mechanical computer was invented in 1822.

Q4. What is the old name of the computer?

The full name of the computer is ‘Common Operating Machine Purposely Used For Technology And Education Research’.

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