Questions

One who dies for a noble cause is called a martyr. He is a person who dies fighting for what they believe in like advocating religious or other beliefs, refusing to renounce, etc...

The Cabinet of Karnataka has agreed the creation of Vijayanagara district as the 31st District of Karnataka.

The Vijayanagara district will include Hampi, the capital of Vijayanagara empire.

In 1814, George Stephenson developed steam engine to haul coal from mines to ports by railways. In 1830, the first railway train began to carry passengers and freight from Liverpool to Manchester.

The logic in the given puzzle is 

Addition of numeric values of corresponding letters in the first three figures gives respective corresponding letter in fourth figure. 

i.e, A = 1 , W = 23 , B = 2 => 2 + 1 + 23 =26 = 'Z'

Similarly, L = 12, K = 11 , A = 1 => 1 + 11 + 12 = 24 = 'X'

Here the missing letter is 'X'.

When the OS at the explicit request of another process creates a process, this action is called process spawning.