Uses of Computer

Today, a computer is used in every field of life. The use of computer has made different tasks very easy.

Impacts of Computer Technology on Society

Computer has made a very vital impact on our society. It has changed the way of life. The use of computer technology has affected every field of life. People are using computers for performing different tasks quickly and easily. The use of computers makes different tasks easier. It also saves a lot of time and effort. It also reduces overall cost to complete a particular task.

Many organizations are using computer for keeping the records of their customers. Banks are using computers for maintaining accounts and managing financial transactions, The banks are also providing the facility of online banking. The customers can check their account balance from using Internet. They can also make financial transaction online. The transactions are handled easily and quickly with computerized systems.

People are using computers for paying their bills. They are getting information from the Internet. They are also using computers to manage their home budget etc.

Computer can be used in education field to improve teaching and learning process. Computer is used in colleges to provide the methods of teaching different ways. It is used to educate the students effectively. Many computer-based educational programs are available. The students can learn to read, to count, and to speak a foreign language. Many educational games are becoming popular in the students.

Moreover, the computer is being used in every field of life such as medical, business, industry, airline and weather forecasting etc.

Uses of Computer at Home

Computer can be used at home in the following ways:

1. Home Budget

Computer can be used to manage the home budget. You can easily calculate your expenses and income. You can list all expenses in one column and income in another column. Then you can apply any calculation on these columns to plan your home budget.

2. Computer Games

An important use of computer at home is playing games. Different types of games are available. These games are a source of entertainment and recreation. Many games are available that are specially developed to improve your mental capability and thinking power.

3. Working from Home

People can manage the office work at home. The owner of a company can check the work of the employees from home. He can control his office while sitting at home.

4. Entertainment

People can find entertainment on the Internet. You can watch movies, hear songs and download different stuff. You can also watch live matches on Internet.

5. Information

You can find any type of information from Internet. Educational and informative websites are available to download books, tutorials etc. to improve knowledge.

6. Chatting

You can chat with your friends on Internet. You can also talk with them. Different messages, files and information can be sent to them.

Uses of Computer in Education

Computer can be used in education in the following ways:

Computer-Based Training (CBT)

CBT are different program that are supplied on CD-ROM. These programs include text, graphics, and sound. Audio and video lectures are recorded on the CDs. CBT is a low cost solution for educating people. You can train a large number of people easily.

Benefits of CBT

Some important benefits of CBT are as follows:

  1. Students can learn new skills al their own pace. They can easily acquire knowledge in any available time of their own choice.
  2. Training time can be reduced.
  3. CBT contains interactive, attractive and easy material. It encourages the students to
    learn the topic.
  4. Planning and timing problems are reduced or eliminated.
  5. The skills can be taught at any time and at any place.
  6. It is very cost effective way to train a large number of students locally or at distant places.

2. Computer-Aided Learning (CAL)

Computer-aided learning is the process of using information technology to help teaching and enhance learning process. The use of computer can reduce the time that is spent on preparing teaching material. It can also reduce the administrative load of teaching and research. The use of multimedia projector and slides has improved the quality of teaching. It has also helped the learning process.

3. Online Education

Many web sites provide online education. You can download educational material, books and tutorials without going outside. Some universities provide online lectures for the students. Students can ask questions and discuss problems by sending emails to websites.

Uses of Computer in Business

The use of computer technology in business has provided many facilities. Businessmen are using computers to interact with their customers on global scale and in global market place. Many business tasks are performed more quickly and efficiently. Computers also help them to reduce the overall cost of their business.

Computer can be used in business in the following ways:

1. Marketing

Any business organization can use computers for marketing their products. Marketing applications provide information about the products to the customers. Computer is also used to manage the distribution system, advertising and selling activities. It can also be used in deciding pricing strategies.

Four major elements of marketing are product, promotion, place and price. The marketing applications help managers to develop strategies and then combine these elements for better marketing.

2. Stock Exchange

Stock exchange is the most important place of businessmen. It is a place where brokers submit and receive their bids. Many stock exchanges are using computers for conducting bids. The use of paper is reducing rapidly.

Many stock exchanges have launched computerized systems. The stockbrokers can do all trading activities electronically. They can submit and receive bids using computers. They can also interconnect with computer display screens where brokers match the buyers with sellers. It reduces cost as no paper or special building is required to conduct these activities.

3. Banks

The use of computers in banks has provided many benefits. It saves a lot of time and provides convenience for the customer.

Computers are used to handle international trade in multiple currencies. The cheques are read by Magnetic Ink Character Read (MICR). Banks use mainframe computers to maintain customer accounts. The transactions are handled easily and quickly with a computerized system.

Many banks also provide the facility of Automated Teller Machine (ATM). The ATM is used to withdraw cash directly from the machine without the interaction of any person. Many banks provide credit cards that can be used to purchase different items using the Internet

4. Departmental store

The user of computers in departmental stores has made business activities fast and accurate. The cashier can enter the sales data in the computer by using barcode reader. The barcode reader reads the barcodes printed on the items. The barcode contains the price of a particular item. The computer uses this input to calculate bill.

The record of sale is stored in the computer. This record can be used to analyze accounts and stock inventory. Different types of reports can also be generated from this record. The businessman can take important decision using these reports to improve the business.

5. Office Automation

Office automation is the process of automating office tasks using computers. Many types of tasks are performed in an office. These tasks include:

  • Decision-making
  • Data manipulation
  • Document handling
  • Communication and storage

Many computer technologies are used to perform these activities in an office easily. Some computerized systems used in an office are as follows:

  • Document Management System (DMS): DMS consists of different applications like
    word processing, desktop publishing, reprographic, image processing and archival storage applications.
    1. Word processing is used to create documents electronically. It is used to
      produce high-quality letters, proposals, reports and brochures etc.
    2. Desktop publishing is used to make these documents attractive with photos and graphics etc. It is used to publish the documents.
    3. The spreadsheet application is used to maintain records and calculate expenses, profits and losses etc. It is also used to perform mathematical, statistical and logical processing.
    4. Reprographics is a process of reproducing multiple copies of a document, Image processing is used to scan and store an image in the computer. It can also modify and improve the quality of images.
  • Message Handling System: It is used to send messages or documents from one location to another. Many techniques are used for this purpose such as facsimile (fax), email and voice mail ets.
  • Office Support System: it is used to coordinate and manage the activities of a workgroup. The members of a workgroup can share their work and coordinate with one another. Groupware and desktop organizers are examples of this system.

Uses of Computer in Industry

Computers are used in industry in different types of systems. Robots are used to control many complex tasks. A robot is an automatic programmable machine. It moves and performs mechanical tasks. It is used in different applications. Some applications of robots are as follows:

  • Assembling and spray-painting of cars
  • Carrying out maintenance on overhead power cables
  • Testing blood samples
  • Outer space experimental programs
  • Artificial satellites
  • Radioactive environments

Computer can be used in industry in the following ways:

1. Automated Production Systems

Many car factories are completely computerized. Cars are assembled by computercontrolled robots. These systems work quickly than human beings and becoming popular.

2. Design Systems

Many products are designed using CAD (Computer Aided Design). Computer programs are used to design the model of a product on the computer. After the design is complete, the actual product is produced.

Uses of Computer in Medical Field

Computer can be used in medical field in the following ways:

1. Hospital Administration

Hospital is an important organization. We can use computer for the administration of a hospital. We can computerize the accounting, payroll and stock system of the hospital. We can keep the record of different medicines, their distribution and use in different wards etc.

2. Recording Medical History

Computer can be used to store medical history of patients. We can store important facts about patients in computer. We can keep record of his past treatment, suggested medicines and their results. Such systems can be very effective and helpful for doctors.

3. Monitoring Systems

Some serious patients must be monitored continuously, Monitoring is needed especially in operation theatres and intensive care units. Many computerized devices are used to monitor the blood pressure, heartbeat and brain of the patients.

4. Life Support Systems

Life support systems are used to help the disabled persons. Many devices are used that help deaf person to hear. Scientists are trying to create a device that will help the blind person to see.

5. Diagnosis of Diseases

Different software are available that store different diseases and their symptoms. Diagnosis of disease is possible by entering the symptoms of a patient. Moreover, different computerized devices are used in laboratories for different tests of blood etc.

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