APPLICATIONS OF COMPUTER

Submitted by - Arpita SinghClass - IX – ASchool - Greenland Public School

The invention of computers has led to the advancement in science and technology. Life has become more efficient with the use of computers in our day to day life. Earlier, it was mainly used by large organizations for scientific research and engineering applications. But today, computer is being used in almost every field of our life. The major areas of computer applications are as follows:

MILITARYComputer plays a vital role in the design and development of high-tech weapons for defence where absolute accuracy is essential. The whole world saw the vast use of computers in defence during the Gulf and Afghanistan wars and also in Iraq war. Computerized simulation exercises are very helpful in training the pilots. Computer are used to help in fighting terror by locating unlawful elements in the world with high accuracy. With The use of computer technology, government around the world can successfully execute theirplans through effective planning.

BANKSAs a result of computerization and networking of a large number of a large number of banks, several number of banks, several facilities are being offered to the customers. Using online banking, you can check your past transactions from the date of account opening with real time balance. Money can easily be transferred to any account across the globe. Internet banking also allows us to use ATM or debit card to shop, buy tickets, pay bills for utility services like - electricity, telephone and post paid mobiles. We can even subscribe to free monthly bank account statements and apply online to openfixed deposits. The facility of subscribing to mobile banking enables us to virtually carry along the bank with us.

RESEARCHComputer is facilitating the research work in a tremendous way by performing complex computations, which sometimes seem impossible for humans. Some of them are listed below:-

The computations required for launching a new satellite into the space.Earthquake and Tsunami warnings are possible with the aids of computer. Weather forecasting is done with the help of computers.Impact of nuclear tests can be studied using computers.

EDUCATIONComputer aided learning and teaching is changing the entire spectrum of our education system. The multimedia rich computerized animation and videos help students to understand the concepts in a very simple and effective manner. Now it has become possible to conduct online entrance exams at national and international level with the help of computers. The result of various education boards as well as entrance exams areavailable online.

MEDIA AND COMMUNICATION

Computer has played a major role in revolutionizing the communication system. From the advent of telephone and TV, which were perceived as incredible things, we have come a long way to enjoy the facilities, like mobile phone, Internet, email, SMS, chatting, cable TV, video conferencing etc. All these things would gad not been possible without the evolution on computers. Not only this, but a variety of musical formats can beplayed as well as recorded by usingcomputers.

CRIMINAL IDENTIFICATION

AND LAW ENFORCEMENT

Computer can create close resembling photographs of criminals. This helps C.B.I. Staff to identify the criminals. The police uses DNA finger printing technique to identify accused with the help of skin, hair and blood samples collected from the site of crime. The traffic police uses speed cameras on lights to monitor people for law violation. The police also uses computer to track the Information of stolen automobiles and mobilephones in order to catch the criminals in notime.

EDUTAINMENTAt home computer is being used for education as well as entertainment. With the advancement of a computer, members of a family can have an easy access to games, music, movies, e-mails, chatting and research for their projects and assignments. People can even enjoy the facility of watching television on their computers.

BUSINESSComputer has helped in improving business activities throughout the world. Organizations can have access to the latest technology and manpower across the world. E-commerce has completely changed the scenario of online shopping. Global business relations can now be maintained through Internet. Computers are used in offices for maintaining sales and marketing records, stock control, planning, production, tax records, preparing salary sheetetc.

ANIMATION AND FILMS

In the field of entertainment, computer is used for making cartoon films, producing special musical effects, and bringing fantasy to life in movies. Cartoon characters, like Walt Disney’s Mickey and Donald, Tom and Jerry etc are given animation effects through computers. Movies like Jurassic Park, Godzilla, Happy Feet, Robot, Koi Mil Gaya, and Kung fu Panda have used the latest computer animation techniques for giving special effects

BOOK PUBLISHING AND READING

With the help of computers, now a days anyone can read any book at any place and any time. Now we don’t need to buy it, all what we have to do is to download it. Not only this, with the help of computer, designing, typing, and editing work can be done with great ease and efficiency. One can insert pictures, apply various formatting features, and styles to abook in no time using a computer.

COMMERCIAL PURPOSE

Advance reservation of rooms in hotels and booking of cinema tickets is now possible from any where with the advent of Internet. The billing system in theaters, shopping malls, and hotels has become possible through computers.

ENGINEERING AND MANUFACTURING

Architects and engineers take the aid of Computer Aided Design and Computer Aided Engineering for designing and manufacturing high quality products, like car and planes. With the help of this technology, they to can design the layout of the building and can view the objects in detail.

SPORTSComputers are also use in the field of sports. The sports equipment used by athletes is first tested on the computers. There are several sports exercising equipments, which have in build programs to train the sports person. The training of athletes is done with the aid of computers. Scoreboards, recording speed of players, action replays, printing and selling of tickets are also done with the help of computers

MEDICAL SECTORComputers help in diagnosing diseases and controlling important medical processes , like CITI scan , X-rays , ECG , and Ultra sounds . Computerized equipments are helpful in maintaining patients’ medical records and performing surgeries . Computers can be used for research and to help the doctors in the doctors in the treatment of diseases.

GOVERNMENT SECTOR

Computers are used for official correspondence , budgeting , accounts , reporting , payroll , attendance ,uploading , of various schemes , forms , etc. Sectors , like Census bureau , income tax , airlines ,and railways , electricity boards or telephone exchanges are benefitting from the computer technology.

LIBRARY AND MUSEUM

The computers in library help to maintain the records of issue and deposit dates of books, encyclopedias, CDs etc. A computer cam maintain subject wise listing of books and help in listing of books quickly. People can read news papers, magazines and journals online. In museums, computers are used to give information and play recorded commentary on relevant topics.

THANK YOU