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Olympiad Test: High Order Thinking Skills - 1 - Class 8 MCQ


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10 Questions MCQ Test National Cyber Olympiad Class 8 - Olympiad Test: High Order Thinking Skills - 1

Olympiad Test: High Order Thinking Skills - 1 for Class 8 2024 is part of National Cyber Olympiad Class 8 preparation. The Olympiad Test: High Order Thinking Skills - 1 questions and answers have been prepared according to the Class 8 exam syllabus.The Olympiad Test: High Order Thinking Skills - 1 MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: High Order Thinking Skills - 1 below.
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Olympiad Test: High Order Thinking Skills - 1 - Question 1

Which of the following is an example of a zero-day exploit?

Detailed Solution for Olympiad Test: High Order Thinking Skills - 1 - Question 1
A zero-day exploit targets a vulnerability that the software maker and antivirus vendors are unaware of. These attacks are highly dangerous because there are no patches or fixes available at the time of the attack.
Olympiad Test: High Order Thinking Skills - 1 - Question 2

In the context of data structures, what is a 'trie' primarily used for?

Detailed Solution for Olympiad Test: High Order Thinking Skills - 1 - Question 2
A 'trie' is a specialized tree-like data structure that is used to store a dynamic set of strings, where the keys are usually strings. It is particularly efficient for tasks like autocomplete and spell checking.
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Olympiad Test: High Order Thinking Skills - 1 - Question 3

Which of the following best describes the concept of 'Polymorphism' in Object-Oriented Programming?

Detailed Solution for Olympiad Test: High Order Thinking Skills - 1 - Question 3
Polymorphism allows methods to do different things based on the object it is acting upon, even though they share the same name. It is a core concept of OOP that enhances flexibility and integration.
Olympiad Test: High Order Thinking Skills - 1 - Question 4
Which of the following is NOT a characteristic of Big Data?
Detailed Solution for Olympiad Test: High Order Thinking Skills - 1 - Question 4
Big Data is characterized by the three Vs: Volume (large amounts of data), Velocity (fast processing of data), and Veracity (accuracy and reliability of data). Virtualization, though important in computing, is not a characteristic of Big Data.
Olympiad Test: High Order Thinking Skills - 1 - Question 5
What is the primary function of the 'hypervisor' in virtualization?
Detailed Solution for Olympiad Test: High Order Thinking Skills - 1 - Question 5
A hypervisor, also known as a virtual machine monitor, is responsible for managing and allocating resources such as CPU, memory, and storage to virtual machines, allowing multiple operating systems to run concurrently on a single physical machine.
Olympiad Test: High Order Thinking Skills - 1 - Question 6
Which algorithm design paradigm involves breaking a problem into subproblems, solving each subproblem individually, and combining their solutions to solve the original problem?
Detailed Solution for Olympiad Test: High Order Thinking Skills - 1 - Question 6
The Divide and Conquer paradigm involves dividing the problem into smaller subproblems, solving them recursively, and combining their solutions to solve the original problem. Examples include Quick Sort and Merge Sort algorithms.
Olympiad Test: High Order Thinking Skills - 1 - Question 7
Which of the following is a feature of the blockchain technology that ensures data security and integrity?
Detailed Solution for Olympiad Test: High Order Thinking Skills - 1 - Question 7
Blockchain technology features an immutable ledger, which means that once data is recorded, it cannot be altered or deleted. This ensures the security and integrity of data, making it transparent and tamper-proof.
Olympiad Test: High Order Thinking Skills - 1 - Question 8
In machine learning, what is the 'bias-variance tradeoff'?
Detailed Solution for Olympiad Test: High Order Thinking Skills - 1 - Question 8
The bias-variance tradeoff is the balance between the error introduced by bias (error from assumptions in the learning algorithm) and the error introduced by variance (error from sensitivity to small fluctuations in the training set). Properly managing this tradeoff is crucial for building models that generalize well to new data.
Olympiad Test: High Order Thinking Skills - 1 - Question 9
Which of the following best describes the principle of 'encapsulation' in Object-Oriented Programming?
Detailed Solution for Olympiad Test: High Order Thinking Skills - 1 - Question 9
Encapsulation is the concept of bundling the data (variables) and the methods (functions) that operate on the data into a single unit, typically a class. This principle helps to protect the data from outside interference and misuse.
Olympiad Test: High Order Thinking Skills - 1 - Question 10
In the context of computer networks, what does the 'ping' command primarily do?
Detailed Solution for Olympiad Test: High Order Thinking Skills - 1 - Question 10
The 'ping' command tests the reachability of a host on an IP network and measures the round-trip time for messages sent from the originating host to a destination computer. It is a diagnostic tool to ensure that a networked device is available and functioning.
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