COMPUTER

COMPUTER

• WHAT IS COMPUTER ?

Computer is an electronic device.

Which perform three basic task i.e. input , processing and outputting.

We also called computer as data processing device.

Computer can perform million of calculation in a second.

• HOW COMPUTER WORKS ?

Computer take data or information as input from input device ,after taking input computer 

perform airthmetic and logic operation on received data or information i.e. process it and after processing computers give result of the processing as output through output device.

USES OF COMPUTER.

Computer is very useful device.

Some uses of computer are following:-

• We can play games on computer.

• We can make drawing in computer.

• We can watch movies,cartoon , videos and listen song on computer.

• We can make Resume,Biodata and C.V in computer through its text editing system software like Notepad , Wordpad and Microsoft Word.

• We can make presentation on computer .

• We can do calculations on computer.

PLACES WHERE COMPUTERS ARE USED.

Computer are used in many places.

1. In Banks.
2. In offices.
3. In school.
4. In hospital.
5. In railway and airports.

1. In Banks 

• In banks computer are used to store information of account holder's.

• It is used to record transition history of cash which is debit or credit by account holders.

2. In offices

• Computer are used to keep record about employee which work in offices.

• Computer are used to type and print letter in offices.

• It is used to make presentation of a products during business meeting in offices.

• It is also used to store salary information of office employee.

3.In school

• In school computer are used to store information of students.

• Computer are also used to teach students.  

4.In hospital

• Computer are used  to keep records of all of the patients.
• Computer are also used to diagnose patients.
• Computer is used to check the patient's pulses and heart beats.
• It is also used in operations.

5.In railway and Airports.

• In railway and airports computer are used book ticket of the passengers.
• It is used to keep records of passengers.
• It is used to records arrival and departure timing of trains and aeroplane.
• It is also used to see status of flight and  runnig status of train.