Saheli

How to define and classify computer devices

Computer is an electronic machine that consists of number of interrelated components. Each of these components has their specific contribution…

2 years ago

Non-conventional sources of energy

The conventional sources of generation of electricity are hydro, thermal and nuclear. For over years, these were the major sources…

2 years ago

Rest and Motion – definition and explanation

Rest and Motion are two important terms of physics usually taught in class IX but drills down to several important…

2 years ago