1 Explain why some items in an array might have to be shifted when a given item is inserted or removed. 2 When the programmer shifts array items during an insertion, which item is moved first, the one...

1 Explain why some items in an array might have to be shifted when a given item is inserted or removed.

2 When the programmer shifts array items during an insertion, which item is moved first, the one at the insertion point or the last item, and why?

3 State the run-time complexity for inserting an item when the insertion point is the logical size of the array.

4 An array currently contains 14 items and its load factor is 0.70. What is its physical capacity?