Computer Fundamentals Online Test

Created by

Vikash chaudhary

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

Get fresh, new questions in each attempt.

Total Questions: 30
Time Allotted: 30 minutes
Passing Score: 50%
Randomization: Yes
Certificate: Yes
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1 / 30

1. What is blockchain technology?

a) A decentralized digital ledger that records transactions across multiple computers in a way that is transparent, secure, and immutable.

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 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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4. Which technology is used to create immersive virtual experiences in Virtual Reality (VR)?

a) Virtual Reality (VR) uses a combination of technologies such as head-mounted displays (HMDs), motion tracking sensors, haptic feedback devices, and immersive audio systems to create immersive virtual experiences.

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 input devices?

a) Devices used for outputting data from a computer system.

b) Devices used for connecting to a network.

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

d) Devices used for storing data externally.

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6. What is computer security?

a) The protection of computer hardware from physical damage.

b) The prevention of unauthorized access to computer systems and data.

c) The process of optimizing computer performance.

d) The development of new computer technologies.

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7. What is reinforcement learning in machine learning?

a) Reinforcement learning is a type of machine learning where the algorithm learns through trial and error by interacting with an environment, receiving feedback or rewards based on its actions.

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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8. What are some examples of IoT applications in smart cities?

a) Smart transportation systems, intelligent energy management, waste management, environmental monitoring, public safety.

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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9. What is phishing?

a) A type of encryption algorithm.

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

c) A type of malware.

d) A social engineering attack where attackers attempt to deceive users into disclosing sensitive information, such as passwords or financial data.

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10. What is cybersecurity?

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

b) The protection of computer systems and networks from cyber threats, such as hackers, malware, and data breaches.

c) The study of computer algorithms and data structures.

d) The physical components of a computer system.

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11. What are some advantages of external hard drives?

a) Portable, easy to connect, and offer high storage capacity.

b) Fixed in place, difficult to connect, and offer limited storage capacity.

c) Prone to physical damage, slow data transfer rates, and high cost.

d) Used primarily for temporary storage, incompatible with most computers, and low reliability.

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12. Why is cybersecurity important?

a) To ensure compliance with legal regulations and industry standards.

b) To prevent unauthorized access, protect sensitive information, and safeguard against cyber threats.

c) To improve the efficiency and performance of computer systems.

d) To enhance the aesthetics and user experience of software applications.

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13. Which type of memory is used to temporarily store frequently accessed data and instructions to speed up the performance of the CPU?

a) RAM

b) ROM

c) Cache Memory

d) Virtual Memory

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14. Which network component provides a central point for connecting devices within a network and facilitates communication between them?

a) Router

b) Switch

c) Modem

d) Hub

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15. What are some examples of video editing software?

a) Adobe Premiere Pro, Final Cut Pro, Sony Vegas Pro.

b) Microsoft Word, Google Docs, Microsoft Excel.

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

d) Microsoft PowerPoint, Google Slides, Apple Keynote.

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16. Which network device operates at the Network layer of the OSI model and forwards data packets between different networks based on IP addresses?

a) Hub

b) Switch

c) Router

d) Bridge

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17. What are some applications of computer vision?

a) Object detection, image classification, facial recognition, autonomous vehicles, medical imaging.

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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18. 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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19. What are some common cybercrime threats and attacks targeting individuals and organizations?

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 common cybercrime threats and attacks targeting individuals and organizations include malware infections, phishing scams, ransomware attacks, data breaches, identity theft, financial fraud, social engineering exploits, insider threats, denial-of-service (DoS) attacks, and supply chain vulnerabilities.

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20. What is a Git branch, and how is it used in version control?

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 Git branch is a lightweight movable pointer to a commit in the commit history, representing an independent line of development with its own set of changes and history, enabling parallel development, isolation of changes, and experimentation without affecting the main codebase.

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

21 / 30

21. 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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22. What are deep learning networks?

a) Neural networks with multiple hidden layers, capable of learning hierarchical representations of data and solving complex tasks.

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 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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24. Which type of network is typically managed and maintained by a single organization or entity for internal use?

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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25. What are some ethical considerations in AI and robotics?

a) Bias and fairness, transparency and explainability, accountability and responsibility, safety and security.

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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26. What are some common data preprocessing techniques?

a) Common data preprocessing techniques include data cleaning, data transformation, feature engineering, and dimensionality reduction.

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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27. What is supervised 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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28. What is the main advantage of using cloud-based word processing software like Google Docs?

a) Offline access to documents.

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

c) Advanced formatting and design options.

d) Integration with desktop applications.

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29. What is a blockchain fork?

a) A blockchain fork occurs when a blockchain splits into two separate chains due to a change in the consensus rules or disagreement among participants.

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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30. 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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