Answer:
valuable; rare
Explanation:
A valuable capability is that which gives a firm some competitive advantage. Core competencies are the operational activities that a company does best. A business’s core competencies are what distinguish it from other rival companies in its industry. While Rare capabilities are capabilities that a small amount of, if any, competitors possess. Those type of capabilities that are costly or impossible to imitate.
from the above explanation we can deduce that the modern technology implementation in the airline industry has made it possible to have valuable ptograms and softwares for carring out several task which are no longer scarce to procure.
Answer:
(c) system.exist(1);
Explanation:
system.exist(1); is used for the termination of the program here both option c and d should be correct but in option d there is exit(0) and zero indicates return means program will return but besides zero if there is any non zero number then program will not return and in option c there is a non zero number which means program will not return so option c system.exist(1); will be the correct option for the termination of program