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 / 30

1. 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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2. What are neural networks?

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) A type of machine learning algorithm inspired by the structure and function of the human brain, consisting of interconnected nodes (neurons) organized in layers.

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3. What is a virus?

a) A type of encryption algorithm.

b) A program that self-replicates and spreads by inserting copies of itself into other programs or files.

c) Malicious software designed to disrupt, damage, or gain unauthorized access to computer systems or data.

d) A physical device used for user authentication.

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4. Which type of memory is volatile and used for temporary storage of data and program instructions during the operation of a computer?

a) RAM

b) ROM

c) Cache Memory

d) Virtual Memory

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5. What are the key benefits of using a Version Control System (VCS) in software development?

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) The key benefits of using a Version Control System (VCS) include versioning and history tracking, collaboration and team coordination, conflict resolution, backup and disaster recovery, and code quality and stability.

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6. What is overfitting in machine learning?

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

b) Sorting algorithms, searching algorithms, graph algorithms.

c) Overfitting occurs when a machine learning model learns to capture noise or random fluctuations in the training data, resulting in poor generalization to new, unseen data.

d) The study of computer algorithms and data structures.

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7. What are the primary functions of registers in the memory hierarchy?

a) To provide temporary storage for data and instructions that are currently being processed by the CPU.

b) To store frequently accessed data and instructions to speed up processing.

c) To provide long-term storage for data and instructions.

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

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8. Which network topology connects devices in a closed loop, where each device is connected to exactly two other devices?

a) Bus Topology

b) Star Topology

c) Ring Topology

d) Mesh Topology

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9. What are the key differences between copyright, patent, and trademark as forms of intellectual property protection?

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) Copyright protects original works of authorship, such as literary, artistic, and musical creations, providing creators with exclusive rights to reproduce, distribute, perform, and display their works, while patents protect inventions, innovations, and technological advancements, granting inventors exclusive rights to exploit, manufacture, and commercialize their inventions for a limited period, and trademarks protect brands, logos, and symbols used to distinguish goods and services in the marketplace, providing owners with exclusive rights to use, license, and protect their distinctive marks from unauthorized use or infringement by others.

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

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10. What are some common algorithms used in unsupervised learning?

a) Common algorithms used in unsupervised learning include k-means clustering, hierarchical clustering, principal component analysis (PCA), and autoencoders.

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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11. 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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12. What are output devices?

a) Devices used for storing data externally.

b) Devices used for connecting to a network.

c) Devices used for displaying or presenting data or information generated by a computer system.

d) Devices used for entering data and commands into a computer system.

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13. What are the primary functions of the Arithmetic Logic Unit (ALU)?

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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14. What are conditional statements?

a) Statements that are executed in a specific sequence regardless of any conditions.

b) Statements that control the flow of execution in a program based on specified conditions or criteria.

c) Statements used for declaring variables in a program.

d) The process of executing a program.

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15. 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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16. What are some common applications of Augmented Reality (AR)?

a) Common applications of Augmented Reality (AR) include mobile apps, gaming, retail, advertising, navigation, industrial training, and healthcare.

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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17. Which programming language is known for its simplicity and readability in machine learning?

a) Sorting algorithms, searching algorithms, graph algorithms.

b) Python is known for its simplicity and readability in machine learning, making it accessible for beginners and experts alike.

c) The study of computer algorithms and data structures.

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

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18. What is CPU architecture?

a) The physical design and layout of a central processing unit (CPU).

b) The process of executing instructions in a program.

c) A type of programming language.

d) The software used for managing computer hardware.

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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 the decimal equivalent of the binary number 100110?

a) 38

b) 42

c) 46

d) 50

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21. 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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22. How many bits are in a kilobyte (KB)?

a) 8000

b) 8192

c) 10240

d) 102400

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23. What is unsupervised 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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24. What is privacy in computing?

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

b) The protection of personal information and data from unauthorized access or disclosure.

c) The study of computer algorithms and data structures.

d) The physical components of a computer system.

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25. 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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26. What is the purpose of intellectual property rights (IPR) in the field of technology and innovation?

a) The purpose of intellectual property rights (IPR) in the field of technology and innovation is to incentivize and reward innovation, creativity, and investment in research and development by granting legal protections and exclusive rights to creators, inventors, and innovators for their inventions, designs, trademarks, and creative works, encouraging the dissemination of knowledge, fostering economic growth, and promoting competition and fair trade.

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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27. What is the concept of smart cities in IoT?

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

b) The study of computer algorithms and data structures.

c) The integration of IoT technologies to enhance the efficiency, sustainability, and livability of urban environments.

d) The physical components of a computer system.

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28. What are the different types of databases supported by DBMS?

a) Relational databases, NoSQL databases, object-oriented databases, hierarchical databases.

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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29. What are some features of Microsoft Word?

a) Spell check, grammar check, and formatting options.

b) Web browsing and email functionality.

c) Video editing and graphic design tools.

d) Gaming and entertainment features.

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30. What is computer vision?

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

b) The study of computer algorithms and data structures.

c) A subset of AI that focuses on analyzing and interpreting visual information from images or videos.

d) The physical components of a computer system.

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