Questions

Execution Unit receives program instruction codes and data from BIU, executes these instructions and store the result in general registers.

interrupt is a signal send by external device to the processor so as to request the processor to perform a particular work.

A signal informing a program that an events has occurred. when a program receives an interrupt signal, it takes a specified action (which can be to ignore the signal).

AdWords policy does not allow ads to simulate email inbox notifications or fake friend/crush requests.

Norway is called as the land of midnight sun.

Urea is a by product of amino acid catabolism, Which occurs in the liver. The nitrogen in the  amino acid becomes converted to ammonia and this is further converted by the liver into urea

Study of Life in outer space or search of life external to Earth is known as Exobiology.

We know that, elements in the same group of the periodic table have similar characteristics. Here magnesium and strontium are the same 2nd group elements and have same behavior. 

Therefore, strontium behaves same as magnesium.