50 Technology Quiz Questions and Answers
This page lists 50 real questions from the Quizlino Technology category, each with four options, the correct answer and, where available, a short explanation. They are arranged from easy to hard, so you can start at the level that suits you. The full category contains 260 questions spread across its levels, so what you see here is a sample to study from, not the whole quiz.
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- Check the answer, then read the explanation even if you were right.
- Make a note of the questions you missed and come back to them after a few days.
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Technology: Easy Questions
Warm-up questions that most players can answer.
Q1. Which company developed the first commercially successful graphical web browser, Netscape Navigator?
Answer: B. Netscape
Explanation: Netscape Navigator was released in 1994 by Netscape Communications and was the leading web browser of the mid-1990s.
Q2. What is the primary purpose of RAM in a computer?
Answer: B. Temporarily store data for running programs
Explanation: RAM, or random access memory, is fast working memory that holds the programs and data in use. It is cleared when the computer is switched off.
Q3. Which keyboard shortcut is commonly used to paste copied text in Windows?
Answer: B. Ctrl + V
Explanation: Ctrl + V pastes, Ctrl + C copies and Ctrl + X cuts. On a Mac the Command key is used in place of Ctrl.
Q4. Which file extension is commonly associated with Microsoft Excel spreadsheets?
Answer: B. .xlsx
Explanation: Excel has used the .xlsx format since the 2007 version, replacing the older .xls format.
Q5. Which device distributes internet access to multiple devices within a local network?
Answer: B. Router
Explanation: A router directs data between the devices on a local network and the wider internet.
Q6. What is the purpose of a firewall in computer security?
Answer: B. Filter and monitor network traffic
Explanation: A firewall checks incoming and outgoing network traffic against a set of rules and blocks anything not permitted.
Q7. Which programming language is primarily used to add interactivity to web pages?
Answer: C. JavaScript
Explanation: JavaScript runs in the browser and makes pages respond to the user, while HTML provides structure and CSS provides style.
Q8. Which company manufactures Ryzen processors?
Answer: C. AMD
Explanation: Ryzen processors are made by AMD, whose main competitor in computer processors is Intel.
Q9. What does URL stand for?
Answer: B. Uniform Resource Locator
Explanation: A URL, or Uniform Resource Locator, is the address of a page or file on the web.
Q10. Which cloud storage service is developed by Microsoft?
Answer: C. OneDrive
Explanation: OneDrive is Microsoft's cloud storage service and is built into Windows and Microsoft 365.
Q11. Which networking device directly connects a computer to an internet service provider?
Answer: A. Modem
Explanation: A modem converts the signal from an internet provider's line into a form that a computer or router can use.
Q12. What is the binary value of the decimal number 10?
Answer: B. 1010
Explanation: In binary, 1010 means one eight plus one two, which adds up to ten.
Q13. Which programming language was created by Guido van Rossum?
Answer: C. Python
Explanation: Guido van Rossum released Python in 1991 and named it after the comedy group Monty Python.
Q14. What does VPN primarily provide?
Answer: B. Secure and private internet connection
Explanation: A VPN, or virtual private network, encrypts your internet traffic and sends it through a remote server, hiding your activity from others on the network.
Q15. Which company owns the video platform YouTube?
Answer: C. Google
Explanation: Google bought YouTube in 2006, about a year after the site was founded.
Q16. What is phishing primarily designed to do?
Answer: B. Steal sensitive information
Explanation: Phishing uses fake emails, messages or websites that imitate trusted organisations to trick people into revealing passwords or bank details.
Q17. Which programming language is mainly used to query relational databases?
Answer: B. SQL
Explanation: SQL, or Structured Query Language, is the standard language for reading and changing data in relational databases.
Q18. Which wireless technology is commonly used for contactless payments on smartphones?
Answer: A. NFC
Explanation: NFC, or near-field communication, works over a distance of only a few centimetres, which is why a phone must be held close to the payment terminal.
Q19. Which open-source operating system is based on the Linux kernel and developed by Canonical?
Answer: B. Ubuntu
Explanation: Ubuntu is a popular Linux distribution developed by the company Canonical and first released in 2004.
Technology: Medium Questions
A step up in difficulty, for players who know the basics.
Q20. Which type of memory retains data even when the computer is turned off?
Answer: C. ROM
Explanation: ROM, or read-only memory, keeps its contents without power, unlike RAM, which is wiped when the computer is turned off.
Q21. Which keyboard shortcut is commonly used to undo the last action?
Answer: C. Ctrl + Z
Explanation: Ctrl + Z undoes the last action in most programs, and Ctrl + Y usually redoes it.
Q22. Which company developed the Safari web browser?
Answer: B. Apple
Explanation: Safari is Apple's web browser, introduced in 2003, and it is the default browser on the Mac, iPhone and iPad.
Q23. Which programming language is primarily used for data analysis with libraries like Pandas?
Answer: A. Python
Explanation: Python is widely used for data analysis because of libraries such as Pandas and NumPy.
Q24. Which internet service translates website names into IP addresses?
Answer: B. DNS
Explanation: DNS, the Domain Name System, works like a phone book for the internet, turning a name such as example.com into a numerical address.
Q25. Which cybersecurity practice involves regularly updating software to fix security vulnerabilities?
Answer: B. Patching
Explanation: Patching means installing updates that fix known security flaws. Unpatched software is one of the most common ways attackers get in.
Q26. Which company is known for developing the CUDA platform for GPU computing?
Answer: C. NVIDIA
Explanation: CUDA is NVIDIA's platform for using graphics cards for general computing, and it is widely used in artificial intelligence.
Q27. Which file format is commonly used for comma-separated data?
Answer: A. .csv
Explanation: A CSV file stores a table as plain text, with each row on its own line and the values separated by commas.
Q28. Which cloud service model provides ready-to-use software over the internet?
Answer: B. SaaS
Explanation: SaaS stands for Software as a Service. The software runs on the provider's servers and is used through a browser, as with web-based email.
Q29. Which programming language was originally developed by Bjarne Stroustrup?
Answer: B. C++
Explanation: Bjarne Stroustrup began developing C++ in 1979 as an extension of the C language that added object-oriented features.
Q30. Which networking device amplifies or regenerates a signal to extend network distance?
Answer: B. Repeater
Explanation: A repeater receives a weakening signal and sends it out again at full strength so that it can travel further.
Q31. Which technology allows smart devices like thermostats and cameras to connect to the internet?
Answer: A. IoT
Explanation: IoT stands for the Internet of Things, the network of everyday devices that connect to the internet to send and receive data.
Q32. Which command is used in SQL to add a new record to a table?
Answer: B. INSERT
Explanation: The INSERT INTO statement adds a new row to a database table.
Q33. Which company created the React JavaScript library?
Answer: B. Meta
Explanation: React was created at Facebook, now called Meta, and released as open-source software in 2013.
Q34. Which type of encryption uses the same key for encryption and decryption?
Answer: B. Symmetric Encryption
Explanation: Symmetric encryption uses a single shared key. Asymmetric encryption uses a public key and a separate private key.
Q35. Which programming language is best known for creating interactive games in the Unity engine?
Answer: B. C#
Explanation: Unity uses C# as its scripting language for game logic.
Q36. Which network type typically covers a small area such as a home or office?
Answer: C. LAN
Explanation: LAN stands for local area network. A network covering a much larger area is called a WAN.
Q37. Which technology uses distributed computing to validate cryptocurrency transactions?
Answer: A. Blockchain
Explanation: A blockchain is a shared record of transactions kept by many computers at once, which makes it very hard to alter.
Technology: Hard Questions
Challenging questions for confident players.
Q38. Which Linux command searches for text inside files?
Answer: A. grep
Explanation: The grep command searches files for lines that match a given text pattern.
Q39. Which database system is a popular NoSQL document database?
Answer: C. MongoDB
Explanation: MongoDB stores data as flexible, JSON-like documents instead of rows in fixed tables.
Q40. Which programming language is used to create applications for the Erlang VM and emphasizes scalability?
Answer: B. Elixir
Explanation: Elixir runs on the Erlang virtual machine, which was designed for systems that must handle huge numbers of connections reliably.
Q41. Which cloud computing concept automatically increases or decreases computing resources based on demand?
Answer: A. Autoscaling
Explanation: Autoscaling adds servers automatically when demand rises and removes them when it falls, so capacity matches what is needed.
Q42. Which cybersecurity vulnerability allows attackers to insert malicious SQL commands into a database query?
Answer: B. SQL Injection
Explanation: SQL injection happens when user input is placed directly into a database query, allowing an attacker to change what the query does.
Q43. Which display technology uses tiny self-emitting LEDs for each individual pixel?
Answer: A. MicroLED
Explanation: In a MicroLED display each pixel is made of microscopic LEDs that produce their own light, so no backlight is needed.
Q44. Which Git command creates a new branch without switching to it?
Answer: B. git branch
Explanation: The command git branch followed by a name creates a new branch but leaves you on the current one.
Q45. Which positioning system is operated by the European Union?
Answer: C. Galileo
Explanation: Galileo is the satellite navigation system of the European Union, an alternative to the American GPS.
Q46. Which AI concept describes a model's ability to perform well on previously unseen data?
Answer: B. Generalization
Explanation: Generalization means a model has learned real patterns instead of memorising its training data, so it also works on new examples.
Q47. Which networking protocol dynamically exchanges routing information between autonomous systems on the internet?
Answer: C. BGP
Explanation: BGP, the Border Gateway Protocol, is how the large networks that make up the internet tell each other which routes are available.
Q48. Which company originally developed the Docker container platform?
Answer: A. Docker, Inc.
Explanation: Docker was released in 2013 by a company then called dotCloud, which soon renamed itself Docker, Inc.
Q49. Which computer firmware starts the hardware and loads the operating system during boot?
Answer: A. BIOS
Explanation: The BIOS checks the hardware when a computer is switched on and then starts the operating system. Newer machines use its successor, UEFI.
Q50. Which programming language is primarily used for statistical analysis and was developed by Ross Ihaka and Robert Gentleman?
Answer: B. R
Explanation: R was created in the 1990s by Ross Ihaka and Robert Gentleman at the University of Auckland in New Zealand.
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