If someone who wants to
acquire a compact disc (CD) has just sufficient money to buy one, and chooses
CD a instead of CD b, then CD B is the opportunity cost.
To add, opportunity cost. <span>the loss
of potential gain from other alternatives when one alternative is chosen.</span>
Answer:The process of sketching in engineering might resemble a loop because of the design process.
Explanation: The design process is a loop or cycle to improve a design. So, sketches will be shown to other engineers and they will improve on the design until it is effective and efficient.
Answer: True
Explanation: Security management firm is the organization that provides protection to the system, functions,data, people etc of any particular business organization.They are highly capable of the problem avoidance, management of risk and other such issues.
The monitoring of the security done by the people and devices of the security management firm are more reliable and assured due to the expert skill they persist in the security field. Thus, the given statement is true.
Answer:
C
Explanation:
Predicate methods typically test a condition and do not modify the object on which they're called.
Answer:
For question a, it simplifies. If you re-express it in boolean algebra, you get:
(a + b) + (!a + b)
= a + !a + b
= b
So you can simplify that circuit to just:
x = 1 if b = 1
(edit: or rather, x = b)
For question b, let's try it:
(!a!b)(!b + c)
= !a!b + !a!bc
= !a!b(1 + c)
= !a!b
So that one can be simplified to
a = 0 and b = 0
I have no good means of drawing them here, but hopefully the simplification helped!
