Answer:
A.O(1)
Explanation:
In the implementation of queue by using linked chain the performance of the enqueue operation is O(1).We have to maintain two pointers one head and the other tailand for enqueue operation we have to insert element to the next of the tail and then make that element tail.Which takes O(1) time.
Explanation:
Simplify the Boolean expression (AB(C + BD) + AB]CD.
Answer:
A. using a hook in his opening
B. detailing the speech’s objectives
E. letting his audience know what to expect
Explanation:
Opening his speech using a quotation is a strategy of using a narrative hook, or simply hook, by Ian. Giving a grand and enticing opening is what makes an audience to pay attention and listen to what the speaker has to say in his speech. So, first strategy used by Ian is using a hook in his opening.
Another strategy used by Ian is giving objective details of his speech. By outlining what he will be covering in his speech, Ian is letting his audience know what to expect from the speaker and his speech, and also gave details of his speech.
So, option A, B, and E are correct.
The elements in a string type array will be initialized to "Null".