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 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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2. What are some examples of IoT applications in agriculture?

a) Precision agriculture, crop monitoring, livestock tracking, automated irrigation systems.

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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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. What is the main objective of the Implementation phase in the Software Development Life Cycle (SDLC)?

a) The main objective of the Implementation phase is to translate the design specifications into executable code, following coding standards, best practices, and guidelines, to build 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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5. 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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6. What are data types?

a) Categories of programming languages.

b) A fixed set of values and operations that can be performed on them in a programming language.

c) The process of executing a program.

d) A type of malware.

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7. 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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8. What is the purpose of a Change Log or Release Notes in software development?

a) The purpose of a Change Log or Release Notes is to document the changes, enhancements, bug fixes, and new features introduced in each version or release of the software, providing users, developers, and stakeholders with an overview of the changes and improvements made over time.

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 a Trojan horse?

a) A type of encryption algorithm.

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

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

d) Malware disguised as legitimate software that appears harmless but contains malicious code that performs unauthorized actions when executed.

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10. What is the binary representation of the decimal number 63?

a) 110011

b) 111111

c) 100101

d) 101011

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11. 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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12. What are algorithms?

a) Step-by-step procedures or instructions for solving a problem or accomplishing a task.

b) Physical components of a computer system.

c) Programming languages used for writing code.

d) The process of executing a program.

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13. What role does the Scrum Master play in Scrum, an Agile methodology?

a) The Scrum Master is responsible for facilitating the Scrum process, coaching the development team on Agile principles and practices, removing impediments, and fostering a culture of continuous improvement.

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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14. Which network component is typically used in Ethernet networks to provide multiple ports for connecting devices within the same network segment?

a) Router

b) Switch

c) Modem

d) Hub

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15. 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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16. 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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17. What is the decimal equivalent of the binary number 11100?

a) 20

b) 24

c) 28

d) 32

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18. What are the key principles of Agile Development Methodology?

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 principles of Agile Development Methodology include customer collaboration, responding to change, delivering working software, self-organizing teams, and regular reflection and adaptation.

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19. What is two-factor authentication (2FA)?

a) A type of encryption algorithm.

b) A password policy requiring users to change their passwords regularly.

c) A security mechanism that requires users to provide two different authentication factors to verify their identity.

d) A type of firewall.

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20. What are some applications of natural language processing?

a) Language translation, sentiment analysis, chatbots, text summarization, speech recognition.

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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21. Which network device operates at the Data Link layer of the OSI model and uses MAC addresses to forward data packets within the same network segment?

a) Hub

b) Switch

c) Router

d) Bridge

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22. 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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23. Which network component helps to extend the range of a wireless network and provides wireless connectivity to devices such as laptops and smartphones?

a) Router

b) Switch

c) Modem

d) Access Point

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24. 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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25. What are headphones?

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 and worn over the ears by the user.

d) Devices used for controlling video games and simulations.

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26. 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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27. What is a Git remote, and how is it used in version control?

a) A Git remote is a reference to a remote repository hosted on a server or another location, enabling developers to push and pull changes between local and remote repositories, collaborate with distributed teams, and synchronize project updates.

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).

28 / 30

28. What is a projector?

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 displaying visual content, such as images and videos, on a large screen or surface.

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

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29. What are the advantages of using R for machine learning?

a) The advantages of using R for machine learning include powerful statistical capabilities, extensive libraries, interactive visualization, and a vibrant community of users and developers.

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).

30 / 30

30. 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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