2nd Class Computers Science Usage of Computers Usage of Computers in our World

Usage of Computers in our World

Introduction

Different types of computers are used in every field of life. The PCs (Personal Computers) or the Home Computer is used at home. Laptop computer also known as the Notebook computer is used by the touring officials. In your school's computer lab, you can find a group of computers connected together, which is called LAN (Local Area Network). Some important companies manufacturing computers are Apple Computers and IBM. IBM PC is very popular. The computer has become such an important part of our lives that we can find it almost everywhere. Some of the important applications of computers are as follows:

Using computer in Railways and Airlines        

Computes are widely used in railways and airlines. 

In Railways and Airlines computer are used for the following:

• Computer in railways, play a very important role. Along with networking or internet made it so easy to keep track of the information such as the number of train, train name, number of seats in train, what is the present status of a ticket.
• Computers in Airlines system, used to control passenger aircraft's and vehicles. It also control the activities of aeroplanes in the airways.

            Using Computers in Banks:

Computer in bank helped to reduce the use of paper work and thus saves valuable time.

            In Banks computers are used for following:

• The bank uses a computer to store a list of people and their accounts.
• Today online banking become more popular. People do not have to go the bank as often they did it. Computers also helps to access customer data quickly.
• By online processing, customer is also allowed to personal to create, update and maintain his/her records.
• Withdrawing and deposit money with the help of ATM cards provided by banks.

Using Computer in Hospitals:       

Computers play a key role in hospitals. It has brought many changes in the field of health and medicine.                    

In hospitals computer is used for the following:                    

• Computers are the excellent means for storage of patient related data.
• It helps in maintain detailed records of the medical history of patients.
• It can keep track of prescriptions and billing information.
• Computer software's are used for diagnosis of diseases.
• Some of the complex surgeries can be performed with the aid of computers.

Using Computers in Education:

Computers are useful in education field. List of information provided by various educational websites guide the students and teachers for the practical approach on different topics.

Computers helps in education in the following ways:

• Computer’s are being used to perform many tasks in educational institutions like keeping records of students, fee collection and maintenance of fees record, preparation of school/college magazine etc.
• Many websites provide online education.
• We can draw the diagrams of science and solve sums of mathematics using computers.
• Computers also allow for students to work on text, audio and video presentations.

Using computers in Engineering:

• Engineering is one of the fields where we create new things, and the computer has successfully proven as the best machine to give shape to creative new ideas.
• Textile engineers make designs of cloth, prints, etc.
• Civil Engineers design buildings.
• Mechanical engineers make designs of various machines.
• Computers save time in the process of engineering drawing. Engineering designs can be made and changed with the help of computers, which have special programs
• Computer are useful for solving complex calculations more accurately and faster than humans.
• Computer helps the engineering to make dissertational introduce good ideas and effective design aids.

Using Computers in Business:

Today’s almost every business uses computers to complete daily tasks. Computer use in a business to enhances productivity and provides results. It use to keep records, develop budgets and forecasts, prepare marketing documents, research and stay in contact with other employees and customers

The following are the uses of computers in business:

• One of the biggest benefit of the computer in the offices is the enhanced communication through e-mail.
• Computers allow the application of different types of software that can help business keep track of their files, document, schedules and deadlines.
• They are also used to maintain the records of employees, their salaries and their attendance etc.
• Shops and supermarkets use software to keep track of stocks and calculate the bills.

Using Computers in Defence:

Computers are the main tools which helps in developing missiles and other equipment. In defence, information about the enemies, their weapons, way to attacks, etc are stored in computer. Computer’s builds the links between soldiers and commanders through satellite.

The following are the uses of computers in defense:

• Now a days, computers also control missiles which are used for attack.
• Software is used for controlling the fights and targeting in ballistic missiles.
• Software is also used to control access to atomic weapons.

Using computers in space Research:

Computers are important asset when it comes to space exploration technology. Computers are used to send the satellites in the space for research purpose. We also use computers to send space crafts to explore the moon and planets.

The following” are the uses of computers in space research:

• Weather forecasting
• Global Positioning System (GPS)
• Communication Satellite
• Space aviation
• Space exploration
• Computers in Space flight
• Astronomy

Using Computer in Entertainment:

Computer are used in entertainment to create or enhance a production or performance.

The following are the uses of computers in Entertainment:

• Computers are widely used to create special effects in movies.
• With the computer connected to a stereo or synthesizer, you can be your own composer and audience.

We can use computers to talk to each other through e-mail, chat or other services of the internet.