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Computer and Technology Basics Flashcards

6 cards from real RRB NTPC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Computer and Technology Basics flashcards as text

  1. Which key is used to undo an action in most applications?

    Answer: Ctrl + Z

    Ctrl + Z is the universal keyboard shortcut to undo the last action in most software applications.

  2. The binary number system uses which digits?

    Answer: 0 and 1

    The binary number system is base-2 and uses only two digits: 0 and 1.

  3. What does 'RAM' stand for?

    Answer: Random Access Memory

    RAM stands for Random Access Memory, which is the computer's temporary working memory.

  4. Which of the following is NOT an operating system?

    Answer: Oracle

    Oracle is a database management system, not an operating system; Windows, Linux, and macOS are all operating systems.

  5. The Internet was originally developed by which organization?

    Answer: ARPA (US Department of Defense)

    The Internet evolved from ARPANET, a project funded by ARPA (Advanced Research Projects Agency) of the US Department of Defense.

  6. Which file extension is used for Microsoft Word documents?

    Answer: .docx

    Modern Microsoft Word documents use the .docx extension (Document XML format).

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