Introduction

Computer: - Computer is electronic machine which is capable of doing some calculation like addition, subtraction, multiplication, division. We can also type text input any misc.

 

We can retrieve (call back) any save data any time. Computer consists of hardware software.

 

Hardware: - Hardware means machine parts that physical equipment .you touch hardware like monitor, CPU, keyboard, mouse etc.

 

Software: - Software means series of instruction that tells our system what to do.

 

Data: - Data at the refax we input the data to get meaning full information.

 

Information: - information is the process data or meaning full information like Aadhar card.