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 is machine learning?

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) Machine learning is a subset of artificial intelligence that involves the development of algorithms and models that enable computers to learn from data and make predictions or decisions without being explicitly programmed.

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2. What is the purpose of a Git commit message?

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) The purpose of a Git commit message is to provide a concise and descriptive summary of the changes made in a commit, helping developers and collaborators understand the purpose, scope, and impact of the changes and facilitating code review, collaboration, and project maintenance.

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3. 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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4. 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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5. 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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6. 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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7. 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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8. What are other accessories commonly used with computer systems?

a) Devices used for input and output operations.

b) Peripheral devices used for connecting to a network.

c) Additional components or devices used to enhance the functionality or protect computer systems.

d) Software applications used for managing computer hardware.

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9. What is accessibility in computing?

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

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

c) The study of computer algorithms and data structures.

d) The design and implementation of technology to ensure equal access and usability for individuals with disabilities.

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10. What is autonomous navigation?

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

b) The study of computer algorithms and data structures.

c) The ability of robots or vehicles to navigate and move in their environment without human intervention.

d) The physical components of a computer system.

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11. What is the difference between descriptive and inferential statistics in data analytics?

a) Descriptive statistics involve summarizing and describing the characteristics of a dataset, while inferential statistics involve making predictions or inferences about a population based on sample data.

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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12. 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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13. 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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14. Which technology overlays digital content onto the real-world environment in Augmented Reality (AR)?

a) Augmented Reality (AR) overlays digital content onto the real-world environment using technologies such as smartphones, tablets, AR glasses, and head-up displays (HUDs).

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. 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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16. 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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17. What are some potential applications of blockchain technology beyond cryptocurrencies?

a) Supply chain management, voting systems, identity verification, intellectual property protection, healthcare records management.

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 Augmented Reality (AR)?

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

b) Sorting algorithms, searching algorithms, graph algorithms.

c) Augmented Reality (AR) is a technology that overlays digital content and information onto the real-world environment, enhancing the user's perception and interaction with their surroundings.

d) The study of computer algorithms and data structures.

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19. 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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20. What are the key roles in Scrum, an Agile methodology?

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 key roles in Scrum include the Product Owner, Scrum Master, and Development Team, each with distinct responsibilities and contributions to the Agile development process.

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

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21. 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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22. 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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23. What is the role of R in machine learning?

a) R is a programming language and environment for statistical computing and graphics, commonly used for data analysis, visualization, and statistical modeling in machine learning.

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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24. 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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25. 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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26. What is the decimal equivalent of the binary number 100110?

a) 38

b) 42

c) 46

d) 50

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27. What is the main advantage of using cloud-based spreadsheet software like Google Sheets?

a) Offline access to spreadsheets.

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

c) Advanced data analysis tools.

d) Integration with desktop applications.

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28. What is prescriptive analytics in data analytics?

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

b) Sorting algorithms, searching algorithms, graph algorithms.

c) Prescriptive analytics involves providing recommendations and decision support based on insights derived from descriptive and predictive analytics.

d) The study of computer algorithms and data structures.

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29. 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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30. What is Agile Development Methodology?

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

b) Sorting algorithms, searching algorithms, graph algorithms.

c) Agile Development Methodology is an iterative and incremental approach to software development that emphasizes flexibility, collaboration, and customer feedback throughout the development process.

d) The study of computer algorithms and data structures.

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