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Computer Awareness questions with answers

23 solved Computer Awareness MCQs from SSC, RRB, banking and police exams. Open any question to try it and read the explanation. Want a timed test instead? Free Computer Awareness practice sets.

  1. The 2024 Nobel Prize in Physics was awarded for foundational discoveries that enabled machine learning with artificial neural networks. The…
  2. The Entity-Relationship (E-R) model for database design was introduced in 1976 by:
  3. User Account Control (UAC), the prompt that asks permission before changes needing administrator rights, first appeared in which Windows version?
  4. CoAP, a protocol designed for constrained IoT devices, stands for:
  5. In MS Excel, the bar that displays the content/formula of the currently active cell is called the:
  6. In most computer applications, what does the keyboard shortcut "Ctrl + N" do?
  7. Who is regarded as the 'father of information theory' for his 1948 paper 'A Mathematical Theory of Communication'?
  8. The name of the MySQL database comes from 'My', the daughter of which co-founder?
  9. In DOS and early Windows, the drive letters A: and B: were traditionally reserved for:
  10. In the Hadoop ecosystem, HDFS stands for:
  11. The default file extension for a workbook saved in MS Excel 2016/2019 is:
  12. In most computer applications, what does the keyboard shortcut "Ctrl + S" do?
  13. Which of the following is the largest unit of data?
  14. In the name of the scripting language PHP, the letters currently stand for:
  15. The gripper or tool at the end of a robotic arm that directly interacts with objects is called the:
  16. The great majority of the world's fastest supercomputers run which operating system family?
  17. PGP, a program widely used to encrypt emails and files, stands for:
  18. In MS Excel, which function is used to add up a range of numbers?
  19. In most computer applications, what does the keyboard shortcut "Ctrl + F" do?
  20. Match List I (technology) with List II (its role): List I: A. HTTP B. HTML C. URL D. TCP List II: 1. Locates a resource on the Web 2. Structures the…
  21. Flash memory was invented in the early 1980s by Fujio Masuoka, who worked at which company?
  22. How many years passed between the first ARPANET message (1969) and ARPANET's adoption of TCP/IP (1983)?
  23. Ignoring overheads, how long will a 100 MB file take to download over a 20 Mbps connection?