Computer Fundamentals Online Test

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Vikash chaudhary

This 'Computer Fundamentals Online Test' covers questions across all the topics related to Computers from basic to advanced levels.

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Total Questions: 30
Time Allotted: 30 minutes
Passing Score: 50%
Randomization: Yes
Certificate: Yes
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1. What activities are typically performed during the Maintenance phase of the Software Development Life Cycle (SDLC)?

a) Activities performed during the Maintenance phase include bug fixing, enhancements, updates, optimizations, and ongoing support and maintenance to ensure the continued reliability, usability, and performance of the software system.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), DNS (Domain Name System), SSL/TLS (Secure Sockets Layer/Transport Layer Security).

d) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive).

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2. What is a firewall?

a) A physical barrier around a computer system.

b) A software or hardware-based security system that monitors and controls incoming and outgoing network traffic.

c) A type of malware.

d) A cryptographic algorithm used for data encryption.

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3. What are some features of Microsoft PowerPoint?

a) Slide templates, animations, transitions, and multimedia integration.

b) Web browsing and email functionality.

c) Video editing and graphic design tools.

d) Gaming and entertainment features.

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4. What are the main types of machine learning?

a) The main types of machine learning are supervised learning, unsupervised learning, and reinforcement learning.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), DNS (Domain Name System), SSL/TLS (Secure Sockets Layer/Transport Layer Security).

d) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive).

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5. What are some types of machine learning algorithms?

a) Supervised learning, unsupervised learning, reinforcement learning.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), DNS (Domain Name System), SSL/TLS (Secure Sockets Layer/Transport Layer Security).

d) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive).

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6. What is hypothesis testing in data analytics?

a) Hypothesis testing is a statistical method used to make inferences about population parameters based on sample data, allowing analysts to test hypotheses and draw conclusions about relationships or differences between variables.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) The process of securely storing data on computer systems.

d) The study of computer algorithms and data structures.

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7. What are some common operations performed in Git version control?

a) Common operations performed in Git version control include cloning repositories to create local copies, adding and committing changes to the repository, creating and switching between branches for parallel development, merging changes from different branches, and pushing and pulling changes between local and remote repositories.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), DNS (Domain Name System), SSL/TLS (Secure Sockets Layer/Transport Layer Security).

d) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive).

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8. What are the primary functions of the Control Unit (CU)?

a) To perform arithmetic and logical operations on data.

b) To fetch instructions from memory, decode them, and execute them.

c) To temporarily store data and instructions.

d) To manage communication between the CPU and other components of the computer system.

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9. What is hacking?

a) A type of encryption algorithm.

b) A security mechanism used to protect against unauthorized access to computer systems.

c) The unauthorized intrusion into a computer system or network with the intent to exploit vulnerabilities or gain access to restricted data or resources.

d) A physical device used for user authentication.

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10. What is the purpose of a README file in software development projects?

a) TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), DNS (Domain Name System), SSL/TLS (Secure Sockets Layer/Transport Layer Security).

b) Sorting algorithms, searching algorithms, graph algorithms.

c) The purpose of a README file is to provide essential information about the project, including its purpose, features, installation instructions, usage guidelines, contribution guidelines, and contact information, serving as a comprehensive guide for developers, users, and collaborators.

d) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive).

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11. What is a game controller?

a) A device used for capturing images and videos of scenes or individuals.

b) A device used for scanning printed text and converting it into digital format.

c) A device used for controlling video games and simulations.

d) A device used for storing data externally.

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12. What is the difference between public and private blockchains?

a) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive).

b) Sorting algorithms, searching algorithms, graph algorithms.

c) TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), DNS (Domain Name System), SSL/TLS (Secure Sockets Layer/Transport Layer Security).

d) Public blockchains are decentralized networks open to anyone to participate and verify transactions, while private blockchains are permissioned networks controlled by a single organization or consortium.

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13. What are some common uses of projectors?

a) Presentations, lectures, movie screenings, digital signage.

b) Scanning printed documents, capturing images of physical objects.

c) Recording audio, editing videos, creating graphics.

d) Video conferencing, live streaming, online gaming.

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14. What is the concept of tokenization in blockchain technology?

a) Tokenization involves representing real-world assets or rights as digital tokens on a blockchain, enabling ownership, transfer, and trading in a decentralized manner.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) The process of securely storing data on computer systems.

d) The study of computer algorithms and data structures.

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15. Which programming language is known for its high-performance computing capabilities in machine learning?

a) Julia is known for its high-performance computing capabilities in machine learning, making it suitable for computationally intensive tasks and large-scale datasets.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), DNS (Domain Name System), SSL/TLS (Secure Sockets Layer/Transport Layer Security).

d) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive).

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16. What are some features of Google Docs?

a) Real-time collaboration, automatic saving, and version history.

b) Video editing and graphic design tools.

c) Web browsing and email functionality.

d) Gaming and entertainment features.

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17. What is the role of data visualization in data analytics?

a) Data visualization involves representing data visually through charts, graphs, and dashboards to facilitate understanding, interpretation, and communication of insights.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) The process of securely storing data on computer systems.

d) The study of computer algorithms and data structures.

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18. What are some features of Google Sheets?

a) Real-time collaboration, automatic saving, and version history.

b) Video editing and graphic design tools.

c) Web browsing and email functionality.

d) Gaming and entertainment features.

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19. What is Virtual Reality (VR)?

a) Virtual Reality (VR) is a computer-generated simulation of an immersive, three-dimensional environment that users can interact with using specialized hardware such as headsets and controllers.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) The process of securely storing data on computer systems.

d) The study of computer algorithms and data structures.

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20. What is Google Sheets?

a) A search engine developed by Google.

b) A cloud-based spreadsheet software developed by Google for creating, organizing, and collaborating on spreadsheets online.

c) An email service developed by Google.

d) A social media platform developed by Google.

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21. What is a Merkle tree in blockchain technology?

a) TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), DNS (Domain Name System), SSL/TLS (Secure Sockets Layer/Transport Layer Security).

b) Sorting algorithms, searching algorithms, graph algorithms.

c) A data structure used to efficiently store and verify the integrity of transactions in a block by organizing them into a hierarchical tree structure of cryptographic hashes.

d) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive).

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22. What is the process of mining in blockchain technology?

a) Mining is the process of validating and adding new transactions to the blockchain through cryptographic puzzle-solving, typically rewarded with cryptocurrency incentives.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), DNS (Domain Name System), SSL/TLS (Secure Sockets Layer/Transport Layer Security).

d) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive).

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23. What are some common uses of webcams?

a) Video conferencing, live streaming, online gaming.

b) Scanning printed documents, capturing images of physical objects.

c) Recording audio, editing videos, creating graphics.

d) Playing video games, controlling drones, capturing virtual reality content.

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24. What is the binary representation of the decimal number 15?

a) 1111

b) 1010

c) 1101

d) 1001

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25. What is main memory in the memory hierarchy?

a) The fastest and smallest type of computer memory located within the CPU.

b) The largest and slowest type of computer memory used for long-term storage.

c) A type of programming language.

d) The software used for managing computer hardware.

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26. What are some potential ethical challenges and risks associated with the use of artificial intelligence (AI) in decision-making processes?

a) TCP/IP (Transmission Control Protocol/Internet Protocol), HTTP (Hypertext Transfer Protocol), DNS (Domain Name System), SSL/TLS (Secure Sockets Layer/Transport Layer Security).

b) Sorting algorithms, searching algorithms, graph algorithms.

c) Some potential ethical challenges and risks associated with the use of artificial intelligence (AI) in decision-making processes include biases and discrimination, lack of transparency and explainability, privacy infringements and surveillance, job displacement and automation, accountability and liability issues, and societal impact and human welfare concerns.

d) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive).

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27. What is the role of connectivity in IoT?

a) The study of computer algorithms and data structures.

b) Sorting algorithms, searching algorithms, graph algorithms.

c) The process of securely storing data on computer systems.

d) Connectivity enables IoT devices to exchange data and communicate with each other and the internet, forming a networked ecosystem.

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28. What is reinforcement learning?

a) Learning from labeled data with input-output pairs to make predictions or classifications.

b) Learning from unlabeled data to discover patterns or structures.

c) Learning through interaction with an environment to maximize rewards.

d) The study of computer algorithms and data structures.

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29. What is the main advantage of using cloud-based presentation software like Google Slides?

a) Offline access to presentations.

b) Real-time collaboration and sharing of presentations with others.

c) Advanced design and animation features.

d) Integration with desktop applications.

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30. What are some common types of game controllers?

a) Gamepads, joysticks, steering wheels, motion controllers.

b) Keyboards, mice, touchpads, styluses.

c) Webcams, scanners, printers, microphones.

d) Monitors, speakers, headphones, projectors.

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This 'Computer Fundamentals Online Test' covers questions across all the topics related to Computers from basic to advanced levels.

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