| 2601 |
In a queue implemented with a Python list q using append() for insertion, which statement removes the front e… |
Computer Science/Informatics Practices Queue |
Easy |
| 2602 |
Starting with an empty queue, A, B and C are enqueued, one element is dequeued and then D is enqueued. Which … |
Computer Science/Informatics Practices Queue |
Medium |
| 2603 |
Which real-life system is best modelled by a queue? |
Computer Science/Informatics Practices Queue |
Medium |
| 2604 |
A student implements a queue with a Python list using append() to insert but pop() with no argument to delete… |
Computer Science/Informatics Practices Queue |
Hard |
| 2605 |
Which of the following best describes a deque? |
Computer Science/Informatics Practices Deque |
Easy |
| 2606 |
In a list-based deque d, which statement inserts x at the front? |
Computer Science/Informatics Practices Deque |
Easy |
| 2607 |
Starting with an empty list d, the operations d.append(5), d.insert(0, 3), d.append(8), d.pop(0) are performe… |
Computer Science/Informatics Practices Deque |
Medium |
| 2608 |
A deque is used only with insertRear and deletionRear operations. It then behaves like a |
Computer Science/Informatics Practices Deque |
Medium |
| 2609 |
Why is a deque convenient for checking whether a word is a palindrome? |
Computer Science/Informatics Practices Deque |
Hard |
| 2610 |
Which condition must a list satisfy before binary search can be applied to it? |
Computer Science/Informatics Practices Linear and binary search |
Easy |
| 2611 |
What is the worst-case number of comparisons for linear search in a list of n elements? |
Computer Science/Informatics Practices Linear and binary search |
Easy |
| 2612 |
Binary search is used to find 14 in [3, 9, 14, 21, 30, 38, 45, 52, 60]. How many comparisons with list elemen… |
Computer Science/Informatics Practices Linear and binary search |
Medium |
| 2613 |
In linear search, when does the best case occur? |
Computer Science/Informatics Practices Linear and binary search |
Medium |
| 2614 |
What is the maximum number of comparisons binary search needs to search a sorted list of 1,000 elements? |
Computer Science/Informatics Practices Linear and binary search |
Hard |
| 2615 |
Using the hash function h(k) = k % 10, at which index is the key 57 stored? |
Computer Science/Informatics Practices Hashing |
Easy |
| 2616 |
What is a collision in hashing? |
Computer Science/Informatics Practices Hashing |
Easy |
| 2617 |
With h(k) = k % 10 and linear probing, the keys 23, 43 and 13 are inserted in that order into an empty table.… |
Computer Science/Informatics Practices Hashing |
Medium |
| 2618 |
Why can searching by hashing be faster than binary search? |
Computer Science/Informatics Practices Hashing |
Medium |
| 2619 |
A hash table of size 7 uses h(k) = k % 7 with linear probing. Slots 6 and 0 are already full. The key 20 is i… |
Computer Science/Informatics Practices Hashing |
Hard |
| 2620 |
In which sorting method are adjacent elements compared and swapped if they are in the wrong order? |
Computer Science/Informatics Practices Sorting algorithms |
Easy |