Questions

Operating system is the most common type of System software.

With reforms in the public sector banking space, the government has constituted a ministerial panel headed by Finance Minister Arun Jaitley that will oversee merger proposals of state-owned banks. The other members of the panel include Railway and Coal Minister Piyush Goyal and Defence Minister Nirmala Sitharaman.

If it loses an electron it becomes a positive ion

In biology, Homology is defined as any characteristic of biological organisms that is derived from a common ancestor. 

Hence, Homology is evidence of Common ancestry.

The main causes for the boat accidents are ::

1. Excessive speed

2. Machinery failure

3. Operator inexperience

4. Alcohol use

5. Operator inattention

6. Lack of proper look-out

7. Careless/reckless behavior and hull failure

8. Hazardous waters

and some more...

Hub works on layer 1 i.e, physical layer.

A seconds pendulum is a pendulum whose period is precisely two seconds i.e, one second for a swing in one direction and one second for the return swing.