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Olympiad Test: Multimedia - Class 9 MCQ


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10 Questions MCQ Test - Olympiad Test: Multimedia

Olympiad Test: Multimedia for Class 9 2024 is part of Class 9 preparation. The Olympiad Test: Multimedia questions and answers have been prepared according to the Class 9 exam syllabus.The Olympiad Test: Multimedia MCQs are made for Class 9 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Multimedia below.
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Olympiad Test: Multimedia - Question 1

What is the purpose of a compiler in programming languages?

Detailed Solution for Olympiad Test: Multimedia - Question 1
A compiler translates high-level programming languages like C++ or Java into machine code that a computer's processor can execute.
Olympiad Test: Multimedia - Question 2

Which of the following data structures organizes data in a hierarchical format?

Detailed Solution for Olympiad Test: Multimedia - Question 2
A tree data structure organizes data hierarchically, with a root node and subtrees of children nodes, making it efficient for hierarchical data representation.
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Olympiad Test: Multimedia - Question 3

What does RAID stand for in the context of data storage?

Detailed Solution for Olympiad Test: Multimedia - Question 3
RAID (Redundant Array of Independent Disks) is a data storage virtualization technology that combines multiple physical disk drive components into one or more logical units.
Olympiad Test: Multimedia - Question 4

Which sorting algorithm has a worst-case time complexity of O(n2)?

Detailed Solution for Olympiad Test: Multimedia - Question 4

Bubble sort has a worst-case time complexity of O(n^2), making it less efficient for large datasets compared to other sorting algorithms like merge sort or quick sort.

Olympiad Test: Multimedia - Question 5
What is the purpose of a VPN (Virtual Private Network) in networking?
Detailed Solution for Olympiad Test: Multimedia - Question 5
A VPN encrypts data transmitted over a network, ensuring secure communication and protecting sensitive information from unauthorized access.
Olympiad Test: Multimedia - Question 6
Which programming language is primarily used for developing Android applications?
Detailed Solution for Olympiad Test: Multimedia - Question 6
Kotlin is a programming language used for developing Android applications, offering modern features and seamless interoperability with Java.
Olympiad Test: Multimedia - Question 7
What does SQL injection refer to in the context of cybersecurity?
Detailed Solution for Olympiad Test: Multimedia - Question 7
SQL injection is a cybersecurity vulnerability where malicious SQL queries are inserted into input fields of web applications, potentially allowing attackers to access or manipulate sensitive data stored in databases.
Olympiad Test: Multimedia - Question 8
Which component of a computer system is responsible for executing arithmetic and logical operations?
Detailed Solution for Olympiad Test: Multimedia - Question 8
The CPU (Central Processing Unit) is responsible for executing arithmetic and logical operations, acting as the brain of the computer system.
Olympiad Test: Multimedia - Question 9
What is the function of an IDE (Integrated Development Environment) in software development?
Detailed Solution for Olympiad Test: Multimedia - Question 9
An IDE (Integrated Development Environment) provides tools and features for writing, debugging, and testing code, enhancing the productivity of software developers.
Olympiad Test: Multimedia - Question 10
Which networking protocol is used to send email over the internet?
Detailed Solution for Olympiad Test: Multimedia - Question 10
SMTP (Simple Mail Transfer Protocol) is a networking protocol used for sending email messages between servers over the internet.
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