A computer is an electronic device capable of performing complex calculations and tasks impossible for a human brain to accomplish. The first-ever mechanical computer was developed in the 19th century by Charles Babbage. Since then computers have undergone many transformational changes in size and processing speed. Modern computers are capable of taking human instructions in a form of language called programming language and delivering output in a fraction of a second.
Long and Short Essay on Computer
Essay 1 (250 words)
The computer is a wonderful and mastermind gift of science to the whole human fraternity. It can be used to do any kind of works. It is very easy to handle by anyone and takes very little time to learn. Because of its easiness and high work efficiency, it is being used in many fields like offices, banks, hotels, educational institutions, shops, hospitals, commercial places, schools, colleges, training institutes, military establishments, military, industries, etc. Many people buy a laptop or desktop for their kids to learn about the required things in their schools or playing computerized video-games, etc.
A computer is a big dictionary and large storage device which we use to save any type of a large amount of data like information, study materials, projects, photos, images, video, audio, songs, clips, games, and many more. It is an electronic machine that is able to calculate and solve big problems. It helps in enhancing our skill level and get information easily. It is a very simple data based machine. It provides the facility of many other tools like paint tools, text tools, etc which are very beneficial for the kids, children, and students to use it more effectively.
We can use it for any big or small mathematical calculations very accurately. It is used to forecast the information about weather, in printing books, newspapers, diagnosing diseases, etc. It is used to make online railway reservations, ticket booking, hotel or restaurant booking from any place all over the world. It is used by MNC companies for accounting purposes, invoicing, payrolls, stock control, etc.
Essay 2 (300 words)
In the modern world of technological advancement, the computer is an amazing gift given by the science to us. It has changed the living style and standard of the people. No one can imagine life without computers as it has made lots of works so easy within less time. The computer is playing a great role in the development of developing countries. It is not only a storage or processing device but it is like an angel that can make anything possible. By many people, it is used as a source of entertainment and communication.
We can get connected to our friends, relatives, parents or others in no time through the use of video chat or email. Using the internet on the computer we can search and retrieve vast information on any subject useful for our education or project work. It is very safe and easy for business transaction purposes through banks to any accounts. By providing the facility of data storage it has lessened the paper works in the governmental and non-governmental offices or colleges. One can save lots of time and effort by online shopping, paying the bill, etc by being at home through the computer.
Computer education has been made compulsory by the government of India in all the schools, colleges, and other educational institutions for enhancing the skill level as well as the easiness of the students in their professional life. Learning computers has become very essential in all modern-day jobs. In higher education, there are subjects like network administration, hardware maintenance, software installation, etc for the enhancement of skill.
Essay 3 (400 words)
The invention of the computer has made many dreams come true even we cannot imagine our lives without the computer. Generally, computer is a device used for many purposes like information storage, email, messaging, software programming, calculation, data processing and many more. A desktop computer needs a CPU, an UPS, a keyboard and a mouse for well functioning however the laptop does not need anything to add outside as it is included with all inside. A computer is an electronic device having a big memory that can save any data value. We are living in the advanced world of computers in the 21st century.
Earlier the functioning of the old generation computer was very limited but new generation computers are amazing with lots of functioning. Charles Babbage had invented the first mechanical computer which was totally different from the modern-day computer. The aim of computer invention was to create the machine which can perform very fast mathematical calculations. During World War II it was used to locate and estimate the direction and speed of weapons of the enemies. Modern-day computers are available with artificial Intelligence technology to helps us in every sector of life.
The new generation computer is being highly advanced means smaller, lighter, speedier and more powerful. Now a day, it is running in almost all walks of life like weather forecasting, the guidance of spacecraft, examinations, education, shopping, traffic control, high-level programming, automation in banks, railway ticket booking, playing games, medical sector, machinery operations, job opening, business, crime detection, etc.
It is the backbone of Information Technology including the internet and proved that nothing is impossible today. If there are positive effects of the computer on the life of human beings, it also negatively affected human lives such as rise in the Cyber crime, pornographic websites can be accessed by kids or younger and many more however using some preventive measures we can be safe from its negative effects.
The whole human fraternity is becoming highly dependent on computer technology; no one can imagine life without a computer. As it has spread its wings so deeply in every area and made people used it. It is very beneficial for the students of any class. They can use it to prepare their projects, learn poems, read different stories, download notes for exam preparations, collect large information within seconds, learn about painting, drawing, etc. It enhances the professional skills of the students and helps in getting a job easily.