An arithmetic logic unit is a digital circuit used to perform arithmetic and logic operations. It signifies the essential building block of the central processing unit of a computer. The modern central processing unit contain very powerful and complex arithmetic logic unit. In addition to arithmetic logic unit, modern central processing unit contain a control unit.
The best answer is:
C) <span>a choice that must be made due to scarcity.
A tradeoff occurs when you must choose between two or more things, selecting the best option given the constraints. Choosing what to spend your allowance on, for example, is involves a trade-off that you must make due to the scarcity of your allowance money (you don't have unlimited money). D is a tempting answer, but it does not define trade-off as well as C. </span>
The right answer for the question that is being asked and shown above is that: "c. Credit cards are canceled due to poor payment history." a sign of credit trouble is that <span>Credit cards are canceled due to poor payment history.</span>
