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.

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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 password?

a) A physical device used for user authentication.

b) A secret combination of characters used for user authentication to access a computer system or account.

c) A type of encryption algorithm.

d) A type of malware.

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2. What are some common operations performed in Git version control?

a) Common operations performed in Git version control include cloning repositories to create local copies, adding and committing changes to the repository, creating and switching between branches for parallel development, merging changes from different branches, and pushing and pulling changes between local and remote repositories.

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 activities are typically performed during the Maintenance phase of the Software Development Life Cycle (SDLC)?

a) Activities performed during the Maintenance phase include bug fixing, enhancements, updates, optimizations, and ongoing support and maintenance to ensure the continued reliability, usability, and performance of 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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4. 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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5. What is the World Wide Web (WWW)?

a) A network of interconnected websites and web pages.

b) A software application used for communication between computers.

c) A physical device used to connect computers to the internet.

d) A type of network topology.

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6. What is the purpose of the Testing phase in the Software Development Life Cycle (SDLC)?

a) The purpose of the Testing phase is to verify and validate the software system against the specified requirements, ensuring that it meets quality standards, is free of defects, and performs as expected under various conditions.

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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7. What is malware?

a) A type of encryption algorithm.

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

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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8. What are some common applications of machine learning?

a) Common applications of machine learning include predictive analytics, recommendation systems, natural language processing, computer vision, and autonomous vehicles.

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 are some common uses of scanners?

a) Digitizing documents, photos, artwork, and other printed materials.

b) Recording audio, editing videos, creating graphics.

c) Playing video games, controlling drones, capturing virtual reality content.

d) Video conferencing, live streaming, online gaming.

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10. What is copyright?

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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11. What is ransomware?

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 that encrypts files or locks computer systems, demanding payment (ransom) for their release.

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12. 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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13. What is selection control structure?

a) A control structure that executes a sequence of statements in a specific order, from top to bottom.

b) A control structure that allows for repeated execution of a block of statements while a specified condition is true.

c) A control structure that allows for making decisions and executing different code blocks based on specified conditions.

d) A control structure that divides a program into separate modules or functions.

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14. 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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15. How many bytes are in a kilobyte (KB)?

a) 100

b) 1024

c) 2048

d) 4096

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16. 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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17. What is cybercrime?

a) Unauthorized access to computer systems or networks for malicious purposes.

b) Legitimate use of computers and networks for lawful activities.

c) The study of computer algorithms and data structures.

d) The physical components of a computer system.

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18. What is the role of data visualization in data analytics?

a) Data visualization involves representing data visually through charts, graphs, and dashboards to facilitate understanding, interpretation, and communication of insights.

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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19. Which type of memory retains its data even when the power is turned off and is commonly used to store BIOS firmware?

a) RAM

b) ROM

c) Cache Memory

d) Virtual Memory

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20. 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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21. What are the main types of machine learning?

a) The main types of machine learning are supervised learning, unsupervised learning, and 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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22. What are intellectual property rights in computing?

a) The rights granted to individuals or organizations to control the use and distribution of their creative works, inventions, and discoveries.

b) The protection of computer systems and data from threats, such as viruses, hackers, and cyber attacks.

c) The study of computer algorithms and data structures.

d) The physical components of a computer system.

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23. What are the primary functions of main memory in the memory hierarchy?

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

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

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

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

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24. What is an external hard drive?

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 connected to a computer externally for storing data, typically using a USB or Thunderbolt interface.

d) A type of optical disc used for storing data.

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25. 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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26. What are the components of a typical DBMS architecture?

a) The components of a typical DBMS architecture include the database engine, data storage, query processor, transaction manager, and user interface.

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 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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28. What are the primary functions of cache memory 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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29. 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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30. What is antivirus software?

a) Software that protects computer hardware from physical damage.

b) Software that prevents unauthorized access to computer systems.

c) Software that detects, prevents, and removes malicious software (malware) from a computer system.

d) Software used for encrypting sensitive data.

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