Questions

Protecting data by copying it from the original source to a different destination is called as Backup. When an original data is lossed, to restore the information by copying the data from the source to other destination is called as Backup or Data backup.

The potable water is the water, which is tested and safe for drinking purpose and cooking preparations. The water is tested and purified in industries. So, the potable water is costly.

Hence, Access to potable water is most heavily limited by money.

Chemically marble is known as Calcareous rock as it is composed of carbonate minerals like calcite or dolomite.

Cricket is the national game of Australia.

Many toxic gases along with water vapour are emitted in vocanic eruptions. All such toxic gases include hydrochloric acid, sulfur dioxide, carbon dioxide, hydrogen sulfide and carbon monoxide. Methane is not produced in the volcanic eruptions.

- Process management

- Main memory management

- File management

- I/O system management

- Secondary storage management

- Networking

- Protection system

- Command interpreter system