Questions

Any factor limiting the size of a population whose effect is not dependent on the number of individuals in the population, then such factor is called Density Independent Factor. It is things that the organisms have no control over.

Here in the given options, food shortage and disease are factors that are dependent on the number of population but Floods have no dependency.

Some examples of density independent factors are :: Earth quake, fires, volcanic eruptions, floods, and  all natural calamities.

Smooth Endoplasmic Reticulumdoes not contain ribosomes on its surface for which it is regarded as smooth. So, proteins cannotbe synthesised by SER provided protein synthesis is the primary task of ribosomes.

Oxygen crosses a plasma membrane by Osmosis.

In a multiprocessor system there exist several caches each may containing a copy of same variable A. Then a change in one cache should immediately be reflected in all other caches this process of maintaining the same value of a data in all the caches s called cache-coherency.

The Double V Campaign was used in World War II. The purpose of the double v campaign is to fight for victory and ending segregation at home.

It was aimed at African-Americans, and it first appeared in an African-American newspaper, the Pittsburgh Courier, in 1942. The Double V Campaign worked to have a victory over racism abroad and racism in the United States.

It stood so it gave a chance for Black Americans to fight in the war so they could achieve Victory at Home and Abroad- (Civil Rights then the war in the Atlantic and Pacific).

A devastating  series of earthquakes in 1906 ruined the city completely and its presence is a constant remainder of the past and a threat of repetition in future.

TRUTH TABLE FOR HALF ADDER

A    B  SUM  CARRY

0    0    0         0

0    1    1         0

1    0    1         0

1    1    0         1

INPLEMENTATION:

For SUM, The two inputs A and B are given to XOR gate.

For Carry, The two inputs A and B are given to AND gate.