Advantages And Disadvantages Of Computer

ADVANTAGES OF COMPUTERS

1. Computers are widely used for data processing because they possess certain advantages over manual labour by humans.
2. Computer can be used to process data at a faster speed.
3. Increased access to the information stored in the resource centre.
4. Process data at an accurate rate.
5. It can be used to process a very large volume of transaction no matter how complex it may appear.
6. Reliable in its work.
7. It has a large storage capacity
8. It provides a better job quality.
9. Increased efficiency – information stored on a computer database can be used for different purposes.

DISADVANTAGES

Unemployment

Different tasks are performed automatically by using computers. It reduces the need of people and increases unemployment in society.

Wastage of Time and Energy

Many people use computers without positive purpose. They play games and chat for a long period of time. It causes wastage of time and energy. Young generation is now spending more time on the social media websites like Facebook, Twitter etc or texting their friends all night through smartphones which is bad for both studies and their health and it also has adverse effects on the social life.

EVALUATION

1. State four advantages of computer
2. State two disadvantages of computer.

Data Security

The data stored on a computer can be accessed by unauthorized persons through networks. It has created serious problems for the data security.

Computer Crimes

People use the computer for negative activities. They hack the credit card numbers of the people and misuse them or they can steal important data from big organizations.

Privacy Violation

The computers are used to store personal data of the people. The privacy of a person can be violated if the personal and confidential records are not protected properly.

Health Risks

The improper and prolonged use of computer can results in injuries or disorders of hands, wrists, elbows, eyes, necks and backache . The users can avoid health risks by using the computer in proper position. They must also take regular breaks while using the computer for longer period of time. It is recommended to take a couple of minutes break after 30 minutes of computer usage.

GENERAL EVALUATION

1. Define data security
2. State the problems associated to data security.

WEEKEND ASSIGNMENT

1. The following are the advantages of computer a)it has high speed b) better job qualities c) reliability d)all of the above
2. Prone to fraud is one of the disadvantages of using computer a) true b) false c) none of the above
3. The use of computer creates unemployment a) true b) false c) none of the above
4. Computers can be used for electronic advertising in form of electronic bill board

a) true b) false c)none of the above

• One of the following is not a disadvantage of computer. (a) health risks

(b) privacy violation (c) unemployment  (d) reliability

THEORY

1. Mention seven advantages of computer.
2. State five disadvantages of using computer.