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 pseudocode?

a) A programming language used for writing code.

b) A type of malware.

c) A high-level description of a computer program or algorithm using natural language and simple syntax.

d) The process of executing a program.

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2. Which type of memory is designed for high-speed access and stores frequently accessed data to reduce the latency of memory access?

a) RAM

b) ROM

c) Cache Memory

d) Virtual Memory

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3. What is a variable?

a) A fixed value in a program that cannot be changed.

b) A programming language used for writing code.

c) A placeholder for storing data that can vary or change during the execution of a program.

d) A type of malware.

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4. What is asymmetric encryption?

a) An encryption method that uses different keys for encryption and decryption.

b) An encryption method that uses the same key for both encryption and decryption.

c) A type of encryption algorithm.

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

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5. Which network device operates at the Physical layer of the OSI model and simply repeats incoming electrical signals to all connected devices?

a) Hub

b) Switch

c) Router

d) Bridge

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6. What types of inventions are eligible for patent protection?

a) New and useful inventions, processes, methods, or compositions of matter that are novel, non-obvious, and industrially applicable.

b) Literary works, artistic works, musical works, dramatic works, and other creative expressions fixed in a tangible medium of expression.

c) Logos, symbols, names, and slogans used to identify and distinguish products or services.

d) Ideas, concepts, facts, and theories.

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7. What is a Git merge, and how does it work in version control?

a) Git merge is a version control operation that combines changes from one branch into another, integrating new features, bug fixes, or changes made in a feature branch back into the main branch or another target branch, preserving the commit history and resolving conflicts if necessary.

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 is flowchart?

a) A programming language used for writing code.

b) A type of malware.

c) A visual representation of the sequence of steps and decision points in an algorithm or process, using symbols and arrows to depict the flow of control.

d) The process of executing a program.

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9. What are some common uses of headphones?

a) Listening to music, watching movies, playing video games.

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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10. What is a smart contract in blockchain technology?

a) CPU (Central Processing Unit), RAM (Random Access Memory), HDD (Hard Disk Drive), SSD (Solid State Drive). Self-executing contracts with the terms of the agreement written in code, automatically enforced and executed when predefined conditions are met.

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) Self-executing contracts with the terms of the agreement written in code, automatically enforced and executed when predefined conditions are met.

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11. What is the difference between Virtual Reality (VR) and Augmented Reality (AR)?

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

b) Sorting algorithms, searching algorithms, graph algorithms.

c) The main difference between Virtual Reality (VR) and Augmented Reality (AR) is that VR immerses users in a completely virtual environment, while AR overlays digital content onto the real-world environment.

d) The study of computer algorithms and data structures.

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12. What is an optical disc drive (ODD)?

a) A storage device located inside the computer case used for storing data.

b) A software application used for managing computer hardware.

c) A device that uses laser technology to read and write data on optical discs, such as CDs, DVDs, and Blu-ray discs.

d) A type of external hard drive.

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13. What is feature engineering in machine learning?

a) Feature engineering is the process of selecting, transforming, or creating new features from raw data to improve the performance of machine learning models.

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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14. What is the role of cryptography in blockchain technology?

a) Cryptography is used to secure transactions and data on the blockchain, ensuring confidentiality, integrity, and authenticity.

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 type of memory is used by the operating system to create an illusion of a larger main memory by transferring data between RAM and the hard disk?

a) RAM

b) ROM

c) Cache Memory

d) Virtual Memory

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16. What are some examples of multimedia software?

a) Windows Media Player, VLC Media Player, iTunes.

b) Adobe Photoshop, Adobe Illustrator, CorelDRAW.

c) Microsoft Word, Google Docs, Microsoft Excel.

d) Microsoft PowerPoint, Google Slides, Apple Keynote.

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17. Which type of memory is faster but smaller in size compared to main memory, and is used to store frequently accessed data and instructions?

a) RAM

b) ROM

c) Cache Memory

d) Virtual Memory

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18. What is the Turing Test?

a) A test used to evaluate the intelligence of a machine by assessing its ability to exhibit behavior indistinguishable from that of a human.

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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19. What are speakers?

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

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

c) Devices used for producing audio output, such as music, sound effects, and voice recordings.

d) Devices used for controlling video games and simulations.

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20. 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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21. What is an internet?

a) A global network of interconnected computers and devices.

b) A single computer system with multiple processing units.

c) A local area network within a single building or campus.

d) A protocol used for sending emails.

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22. What is a patent?

a) The exclusive right granted to the creator of an original work to reproduce, distribute, and display the work.

b) The legal protection of a product's unique design, name, or symbol that distinguishes it from others.

c) The exclusive right granted to inventors to prevent others from making, using, or selling their invention.

d) The protection of confidential information or proprietary knowledge that provides a competitive advantage.

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23. What is encryption key?

a) A physical key used to lock and unlock computer hardware.

b) A cryptographic algorithm used for data encryption.

c) A secret value used in encryption and decryption processes to secure data.

d) A type of malware.

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24. What are some key principles of privacy protection in the context of cybersecurity regulations?

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) Some key principles of privacy protection in the context of cybersecurity regulations include data minimization, consent and user control, transparency and accountability, security safeguards and encryption, data breach notification, and cross-border data transfers.

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25. 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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26. Which type of network is commonly used in homes, schools, and small businesses to connect devices within a limited area?

a) Local Area Network (LAN)

b) Wide Area Network (WAN)

c) Wireless Local Area Network (WLAN)

d) Metropolitan Area Network (MAN)

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27. 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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28. How many megabytes are in a terabyte (TB)?

a) 1,024

b) 1,048,576

c) 1,073,741,824

d) 1,099,511,627,776

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29. 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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30. 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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