Test: Searching - 2 - CUET Humanities MCQ

# Test: Searching - 2 - CUET Humanities MCQ

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## 10 Questions MCQ Test Computer Science Practice Tests: CUET Preparation - Test: Searching - 2

Test: Searching - 2 for CUET Humanities 2024 is part of Computer Science Practice Tests: CUET Preparation preparation. The Test: Searching - 2 questions and answers have been prepared according to the CUET Humanities exam syllabus.The Test: Searching - 2 MCQs are made for CUET Humanities 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Searching - 2 below.
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Test: Searching - 2 - Question 1

### When two elements map to the same slot in the hash table, it is called ______.

Detailed Solution for Test: Searching - 2 - Question 1

When two elements map to the same slot in the hash table, it is called collision.

Test: Searching - 2 - Question 2

### The time taken by different hash functions may be ____________.

Detailed Solution for Test: Searching - 2 - Question 2

The time taken by different hash functions may be different, but it remains constant for a particular hash function.

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Test: Searching - 2 - Question 3

### Which of the following searches a hash table extremely fast just to find the hash value for the item that you're looking for, then goes to that index and starts searching the array until you find what you are looking for or you hit a blank spot?

Detailed Solution for Test: Searching - 2 - Question 3

It searches a hash table extremely fast just to find the hash value for the item that you're looking for.

Test: Searching - 2 - Question 4

The complexity of a Linear Search algorithm is

Detailed Solution for Test: Searching - 2 - Question 4

The complexity of linear search is therefore O(n). If the element to be searched lived on the the first memory block then the complexity would be: O(1).

Test: Searching - 2 - Question 5

A __________ search begins the search with the first array element.

Detailed Solution for Test: Searching - 2 - Question 5

A serial search involves starting at the beginning of a file and checking each record in turn. You would need to check if the first record is the one you are looking for. If it is, then you can stop searching and report that you have found the record. If it isn't the one you are looking for, then you go on to the next record.

Test: Searching - 2 - Question 6

A phone number directory is set up using
A. an unordered array by randomly throwing numbers at vacant locations in the array
B. A sorted array by keeping the entries based on ascending order of phone numbers.

Q. Which of the given statements holds true?
Assume optimal search operations are available using binary search.

Detailed Solution for Test: Searching - 2 - Question 6

This is correct since, in an unsorted array, an element can be added in constant time.

Test: Searching - 2 - Question 7

Binary search algorithm cannot be applied to

Detailed Solution for Test: Searching - 2 - Question 7

The binary search algorithm cannot be applied to sorted linked list.

Test: Searching - 2 - Question 8

Why do we use hashing function in a hierarchial database?

Detailed Solution for Test: Searching - 2 - Question 8

Hash value points to the element exactly using index.

Test: Searching - 2 - Question 9

In a hierarchical database, a hashing function is used to locate the

Detailed Solution for Test: Searching - 2 - Question 9

The data is organised in a tree structure where the nodes represent the records and the branches of the tree represent the fields. Since the data is organized in a tree structure, the parent node has the links to its child nodes. If we want to search a record, we have to traverse the tree from the root through all its parent nodes to reach the specific record. Thus, searching for a record is very time consuming.The hashing function is used to locate the root.

Test: Searching - 2 - Question 10

Which of the following is a hash function?

Detailed Solution for Test: Searching - 2 - Question 10

Folding Method in Hashing: It breaks up a key value into precise segments that are added to form a hash value, and look at another technique is to apply a multiplicative hash function to each segment individually before adding. Some folding methods go one step further and reverse every other piece before the addition.

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