"Riwaj Parajuli"

A computer is an electronic device capable of performing complex calculations and tasks impossible for a human brain to accomplish. First ever mechanical computer was developed in 19 th  century by Charles Babbage. Since then computers have undergone many transformational changes in size and processing speed. Modern computers are capable of taking human instructions in a form of language called programming language and delivering output in fraction of a second , Today  computers are used in every office and institution for performing a number of tasks from maintaining and processing data, keeping records of transactions and employees, preparing and maintaining account statements, balance sheets etc. High speed computers are used in more complex science programs such as space exploration missions and satellite launch. Computers have become an integral part of our life due to its usefulness into various fields. We can use it for any big or small mathematical calculations ve...

The cow has been one of the important domestic animals . cow gives us milk, and her calf, when grows up to be an ox, helps in our agricultural work. Cow-dung is used as manure and fuel. Its milk is very useful for us.  The cow is a very gentle animal. it gives us milk to drink. . The body is covered with short hair.cow has a pair of horns and long tail eves are big and beautiful.  the horns are split in the middle. Cow-milk is very nutritious and easily digestible. It is very good for people, especially for children, sick people and expectant mothers. This milk can be consumed in many forms. It is also available in powdered and condensed forms. Cows have different colours. They are found everywhere in the world. The male of a cow is called a bull or an ox.Hindus worshipped cow as a national animal in Nepal.