What Can a Computer Do?

There are four main purposes for which a computer is used:

• Storage: The computer keeps the information in its memory and processes it as needed.

• Input: The computer takes data as input and processes it.

• Processing: After taking the input, the computer transforms data into a computer-readable format. 

• Output: The computer then produces the output after processing the input.

Uses of a Computer

1. A Computer with an internet connection can be used to search for information and learn anywhere and anytime.

Internet on Computer

2. E-mails can be sent using a Computer.

Email on Computer

3. A Computer can be used by children to learn arts like drawing and painting.

Drawing on a Computer

4. You can use a computer to play games.

Playing Games on a Computer.

5. It is useful to type your documents.

Creating Documents on a Computer

6. Music may be played on a computer.

Music on a Computer

7. One can watch movies on a computer.

Movies on a Computer

8. Computers can be used for safety and security.

Security on a Computer.

9. It can help in making an online payment.

Payment on a Computer

10. Computers help in communication.

Communication on a Computer

Where are Computers Used Today?

A computer does not get tired and can perform multiple tasks simultaneously, so it can be used in various places to help Human beings perform their duties easily.

In Schools and Colleges

Teachers and professors use computers for educational purposes. It helps students to learn new technologies, tools, and methods.

Teaching on Computer

In Offices 

A computer is very essential for various office tasks like sending emails, making documents, and data processing.

Work on Computer

In Banks 

They are useful for different financial calculation-related works, data storage, money calculation, customer interaction, deposit, and withdrawal of money.

Payments on Computer

Household 

Computers are very useful for different personal tasks like using the internet, sending emails, making online payments, watching movies, and playing music.

Use of a Computer at Home

At Laboratories 

Computers are used for various science-related works like designing robots and weather forecasts.

Computer at Laboratories

In Military 

Computers are very useful for different security-related tasks like surveillance, security, early warning systems, missile targeting, etc.

Computer in the Military.

In a Studio

They are useful for different creative purposes like drawing, design and pattern making, and photo editing.

Computer at Studio

Police station 

Computers are used for data storage (keeping the crime records), maintaining attendance, etc.

Computer at the Police Station

In a Hospital 

To perform different maintenance-related tasks, monitor patients, and maintain patient data.

Computer at Hospital

At a Post office 

It is useful for different courier service-related works, keeping records, photocopy of documents, etc.

Computer at the Post Office

Shops 

Computers are very useful in Shops and Malls to keep records of inventory, aid payments, and timekeeping.

Computer at Shops

At Airports, Railway Stations, and Bus Stand

Computers can be used to book online tickets, keep track of seat availability and maintain real-time Flight, Train, and Bus status.

Computer at Airport

Summary

A computer is an electrical device that can do several tasks, such as calculating numbers, finding, organizing, and storing data, and simplifying labor for people. It may be used for many other things, like browsing the internet, sending emails, and playing games and music. It is utilized in a variety of settings, including schools, hospitals, banks, and police stations.

Solved Questions

1. Which machine is used for booking online tickets? 

Ans: A Computer ( with the help of the Internet ) is used for booking online tickets for Trains, Flights, Buses, etc.

2. Give three uses of the Computer?

Ans:  A computer has multiple uses, it can be used to access the Internet, make online payments, and play music and games.

3. Name three places where Computers are used?

Ans: A Computer can be used in several places like Banks (for making payments), Schools/colleges (for Teaching and Training ), and police stations (to maintain records and surveillance).

4. Give three uses of a computer in a Bank?

Ans: In banks, a computer can be used to maintain money records, customer service, and send/receive money online.

Fun Facts

• The first modern computer was mostly a huge calculator.

• A computer's memory is called RAM.

• You can spell the word typewriter with the top line of letters on a computer’s keyboard.

• Computers work through particular instructions known as Algorithms.

Learning by Doing

Choose the Correct Option for the Following Questions:

1. Where are computers used for preparing results for the exam?

1. Schools

2. Office

3. Banks

2.  What is the use of a Computer at an Airport?

1. Deposit money

2. Homework

3. Booking tickets

3. At home, what are the computers used for?

1. Watching movies

2. Cooking

3. Deposit money

4. In the post office computers are used for?

1. Send money.

2. Photocopy.

3. Listen to music.

Write True or False:

1. We cannot send e-mail on a Computer. (T/F)

2. A computer is used only in Office. (T/F)

3. A computer can be used to store information. (T/F)

4. A computer can solve sums. (T/F)