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Computer and Information Technology — GK Questions with Answers

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6 questions
  1. Which generation of computers was built on integrated circuits?
    1. first
    2. second
    3. third
    4. fourth
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    Answer: (C) third

    The third generation (1964-71) was built on integrated circuits, while the fourth generation moved on to microprocessors.

  2. Which of these is not secondary memory?
    1. hard disk drive
    2. floppy disk
    3. cache memory
    4. compact disk
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    Answer: (C) cache memory

    Cache memory is a very fast form of RAM sitting right next to the CPU — it isn't secondary memory.

  3. How is an EPROM wiped clean?
    1. with an electric shock
    2. by holding it under ultraviolet (UV) light
    3. with a magnet
    4. it cannot be erased at all
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    Answer: (B) by holding it under ultraviolet (UV) light

    Wiping an EPROM (Erasable Programmable ROM) requires holding it under an intense source of ultraviolet (UV) light.

  4. What is the typical reach of a LAN network?
    1. about 1 km or less
    2. 5-15 km
    3. an entire country
    4. the whole world
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    Answer: (A) about 1 km or less

    A LAN (Local Area Network) covers a small area such as a home, office or school — roughly 1 km or less.

  5. Which organisation first launched internet service in India?
    1. BSNL
    2. VSNL
    3. NIC
    4. TRAI
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    Answer: (B) VSNL

    Internet service in India was first launched by VSNL (Videsh Sanchar Nigam Limited) on 15 August 1995.

  6. What is the basic difference between Augmented Reality (AR) and Virtual Reality (VR)?
    1. they are the same thing
    2. AR adds things to the real world, VR builds an entirely new one
    3. VR is only for sound
    4. AR is only for gaming
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    Answer: (B) AR adds things to the real world, VR builds an entirely new one

    AR overlays computer-generated information onto a view of the real world, while VR fully immerses the user in an artificial environment.

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