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Application of Computers - 2 go back

1.What is meant by E-commerce ?

E-commerce is the process of exchanging money for goods and services through internet.

2.What do you understand the term Telemedicine ?

In the filed of telemedicine components monitors patient condition in remote locations and give the correct medical treatment. Telemedicine is implemented with the help of telephone line and a computer network.

3. Name two medical imaging techniques ?

MRI (Magnetic Resonance Imaging and  MRS (Magnetic Resonance Spectroscopy)

4.What is meant by E-mail ?

In E-mail,it sends messages electronically which is an important service of the internet.

5.What is meant by animation ?

Animation is the process of recording,manipulating and displaying video picture.

6.What is the meaning of the word E-governance ?

The use of computers and communication technology in government activities is called E-governance.Computers are used by government to collect,process and store vast amount of information.

7.Give the importance of ATM .

Automated Teller Machine(ATM) facility is the automatic cash dispensing mechanism during the 24 hours in order to make it easier for customer to deal with banks.

8. What is meant by ‘Payroll’ ?

It is the process of calculating and recording the wages or salaries of employees in a firm using software packages. Many software companies have came out with efficient packages. A salary slip is also printed as output.

9. How computers can be used for entertainments? Explain.

Computers contribute various for children in the form of computer games, interactive videos, video games. Computers are also used in music composing, film making and animations in cartoon films. Video pictures are created by recording, manipulating and displaying moving pictures, and it is presented through television.

10. How can we use computers in the field of Communication?

Computer networks provide a powerful means of communication. They offer a number of on - line service by accessing remote information through sharing of data bases. Computerized telephone exchanges can handle a large volume of calls. Internet is the largest computer network in the world. The internet offers a variety of services by which people can communicate with each other. E - mail is an important service offered by the internet.

11. Computers play a vital role to identify criminals. Justify this statement with suitable area of communication.

Forensic is the area which helps to identify the criminal with the help of evidence from crime site such as blood, skin or hair samples. Face Recognition software search for facial features. finger print recognition helps to verifying the finger print structure for identifying the person. Signature verification is the process used to recognize a person's hand-written signature.

12. "Computers are indispensable parts of human life". Justify this statement with at least five suitable areas of applications.

Banking System: Various branches are equipped with terminals, giving them online accounting facility and enabling them to interrogate the central system for information such as current balances, deposits, overdrafts, interest charges, shares and trustee records.

Insurance and Stock market: Insurance companies, financial institutions, stock exchanges and stock broking firms also make use of computers.

E-commerce: E-commerce, therefore is doing commerce using electronic technology ( Internet, Intranet or extranet). Electronic commerce follows several methods of connecting buyers and sellers including advertising, product demonstrations, catalogs and directories.

Medicine and Health care: In the field of medicine computers are used for various ranges of activities such as diagnosing illness, monitoring patients during surgery etc.

Science,Research & Engineering : Computer are now a standard feature of life in universities and laboratories.

13. Explain the applications of computers in entertainment and education:

Computer education forms a part of the school and college curricula, as it is important for every individual today, to have the basic knowledge of computers. the advantages of computers in education include an efficient storage and rendition of information, quick information processing and very importantly the saving of paper. Computers contribution various means of entertainment for children in the form of computer games, interactive videos, video games. computes are also used in music composing, film making and animations in cartoon films.

14. Compare the terms "Edutainment" and "Infotainment".

Edutainment ( also Info - tainment or entertainment - education) is a form of entertainment designed to educate as well as to amuse. Modern forms include television productions, film, museum exhibits, and computer software which use entertainment to attract and maintain an audience, while incorporating deliberate educational content or messages.

15. Briefly explain the application of computers in material production.

In the field of manufacturing, computers are being widely used for better usage of resources and quality improvement. The production activities like planning, scheduling, resource procurement, job scheduling etc can be done with help of computer software. This helps to optimise the production process and thereby improving quality and minimizing cost. Computerized management also help to finish the production activities in a stipulated time. The whole production activities can be called as CAM (Computer Aided Manufacturing). Difficult works like precision welding, soldering, drilling etc can be assigned to computer controlled robots. Computerized process can also be implemented in sales forecast, quality testing, record keeping etc.

16.Briefly explain the application of computers in defence.

Computers are used for the first time in the defence field. Its applications are widely spread from airplanes to submarines.

     • Controlling the missiles
     • Used in Radar systems
     • Used in air crew training
     • used in Auto - pilot planes
     • used in military networks like Millet
     • Used in various weapon control

17.What do you mean by Medical imaging? Write the advantages.

The view of the anatomical structure of human body can be taken using various techniques in Medical imaging like X- Ray, CT – Scan, MRI, ESI, MSI etc. All these systems make use of powerful computers, printers, scanners etc. Medical imaging always provide great help to the doctors.

18.Explain the application of computers in the field of medicine and health care:

In the field of medicine computers are used for various ranges of activities such as diagnosing illness, monitoring patients during surgery etc. With a tele medicine device installed at home, a nurse can complete an examination without person ever having to go out. Various medical imaging techniques are X – Ray Projection Imaging, X-Ray Computed Tomography (CT), magnetic Resonance Imaging (MRI) and Magnetic Resonance Spectroscopy (MRS), Ultrasonic, Electrical Source Imaging (ESI), Electrical Impedance Tomography (EFT), Magnetic Source Imaging (MSI), and Medical Optical Imaging. The computer system can act as a vast encyclopedia of medical knowledge providing the doctor a quantity of information which is not possible to accommodate in his memory.

19. Computers are now a day used widely in the field of law enforcement” Justify this statement.

The legal profession make use of the strengths of computers in Forensics, Face recognition, Finger print recognition, Signature pattern recognition, Voice authentication, DNA finger printing etc.

20.How can we use computers in Business?

In the business field the use of computers is very vast. E – commerce is doing commerce using electronic technology in the exchange of money for goods or services between companies or between a company and end user. Electronic commerce follows several methods of connecting buyers and sellers including advertising, product demonstrations, catalogs and directories. B2C is the commerce taking place between business to end user or customer. B2B is the commerce taking place between businesses.

21.Computer is an effective tool in educational research. Justify your answer.

We can use software for conducting software projects and research. Large software projects have become feasible for medium as well as large software institutions. Because of the falling cost of computer hardware, software industry is expanding the areas of specialized applications. Computes also process information, related from vehicles. Computer networks help to collect a variety of information from the satellites in the orbit.

22.DRDO plans to develop a new aircraft for Indian Air Force. Which computer software can be used for his purpose? Justify.

Today computers on – board ships, submarines and air planes are linked to land based control facilities fro coordinating military operations. The full mission trainer software is software which can be used to develop a new aircraft. It will consist of a fully populated cockpit on a fixed base that is integrated with a high resolution image system with visual system display.

23. Explain any 3 modern methods in communication.

Computerized telephone exchanges: It can handle a large volume of calls. The performance of the system is comparatively fast with low error rates. These exchanges can be linked to other networks/ exchanges for the wider use.

The Internet: Internet is the largest computer network in the world and offers a variety of services by which people can communicate with each other.

E – mail: An electronic mail system is a method of electronically sending messages, mail or documents. It is also known as electronic delivery system or electronic document distribution/communication.

24."Computers have a key role in the field of entertainment ".Justify the statement .

In the field of entertainment the following points are important.

Animation : creating moving effect by displaying series of stills.

Games : Many types of computer / video games are popular.They make use of animated graphics,multimedia,3 D effects etc.

In the film industry strength of computer graphics and animation are widely used films like Jurassic park,king kong,Anaconda are examples.

In the field of video editing software packages are used for rearranging and adding special effects.