Questions

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

Program counter holds the address of either the first byte of the next instruction to be fetched for exectuion or the address of the next byte of a multi byte instruction, which has not beeb completely fetched. in both the cases it gets increnented automatically one by one as the instruction bytes get fetched. Also Program register keeps the address of the next instruction.

A first person point of view is said by a character who is invoved in the events of the story and unlike third person point of views will actually use words such as 'we' or 'I'.

The Great Gatsby is told from the point of view of Nick Carroway. He is from the Midwest, but narrates the story after it takes place in the East. As such, he is an outsider, and tends to judge what he experiences in the East based on his midwestern ideas and values.

Nick makes an effort to assure the reader that he is nonjudgmental and completely honest. This is ironic, because he is very judgmental and opinionated.

The air around us is a mixture of gases, mainly nitrogen and oxygen, but containing much smaller amounts of water and other gases.

Earth's atmosphere is composed of many gases. Their percentages by volume is given by::

 
78% Nitrogen,

21% Oxygen,

0.9% Argon, and

0.03% Carbon dioxide 

And very small percentages of other elements.