Computer Questions Practice Question and Answer

Q: What is the name of the virus that fool a user into downloading and executing them by pretending to be useful applications  ? 3373 2

  • 1
    Trojan horses
    Correct
    Wrong
  • 2
    Keylogger
    Correct
    Wrong
  • 3
    Worm
    Correct
    Wrong
  • 4
    File virus
    Correct
    Wrong
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Answer : 1. "Trojan horses"
Explanation :

Answer: A) Trojan horses Explanation:

Q: __________ cookies are also known as transient cookies. 3142 5

  • 1
    Persistent
    Correct
    Wrong
  • 2
    Second party
    Correct
    Wrong
  • 3
    Session
    Correct
    Wrong
  • 4
    Third party
    Correct
    Wrong
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Answer : 3. "Session"
Explanation :

Answer: C) Session Explanation:

Q: Which of the following memories needs refresh ? 3088 6

  • 1
    DRAM
    Correct
    Wrong
  • 2
    ROM
    Correct
    Wrong
  • 3
    SRAM
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 1. "DRAM"
Explanation :

Answer: A) DRAM Explanation:

Q: Which of the following is not purely output device? 2980 1

  • 1
    Printer
    Correct
    Wrong
  • 2
    Speaker
    Correct
    Wrong
  • 3
    Plotter
    Correct
    Wrong
  • 4
    Screen
    Correct
    Wrong
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Answer : 4. "Screen"
Explanation :

Answer: D) Screen Explanation: A touch screen is the only device which works as both an input and an output device among the given options. You view the options available to you on the screen (output) and you then use your finger to touch the option that you have chosen (input).   Hence, Screen is not purely output device.

Q: The basic operations performed by a computer are 2911 0

  • 1
    Logical operation
    Correct
    Wrong
  • 2
    Storage and relative
    Correct
    Wrong
  • 3
    Arithmetic operation
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: The basic operations performed by a computer are Arithmetic operation, Logical operation and Storage and relative.

Q: स्मृति से बनी होती है 2891 1

  • 1
    कोशिकाओं की बड़ी संख्या
    Correct
    Wrong
  • 2
    तारों का सेट
    Correct
    Wrong
  • 3
    सर्किट का सेट
    Correct
    Wrong
  • 4
    इनमे से कोई भी नहीं
    Correct
    Wrong
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Answer : 1. "कोशिकाओं की बड़ी संख्या"
Explanation :

Answer: A) बड़ी संख्या में सेल स्पष्टीकरण: कंप्यूटिंग में, मेमोरी कंप्यूटर हार्डवेयर एकीकृत सर्किट को संदर्भित करता है जो कंप्यूटर में तत्काल उपयोग के लिए जानकारी संग्रहीत करता है। अधिकांश सेमीकंडक्टर मेमोरी को मेमोरी सेल या बिस्टेबल फ्लिप-फ्लॉप में व्यवस्थित किया जाता है, प्रत्येक एक बिट (0 या 1) को स्टोर करता है।

Q: Which type of memory is not directly addressable by the CPU and requires special software called EMS ? 2851 2

  • 1
    Expanded
    Correct
    Wrong
  • 2
    Base
    Correct
    Wrong
  • 3
    Conventional
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Expanded"
Explanation :

Answer: A) Expanded Explanation:

Q: Programs stored in ROM are called 2845 1

  • 1
    Hardware
    Correct
    Wrong
  • 2
    Firmware
    Correct
    Wrong
  • 3
    Freeware
    Correct
    Wrong
  • 4
    Software
    Correct
    Wrong
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Answer : 2. "Firmware"
Explanation :

Answer: B) Firmware Explanation: The programs which are as permanent as hardware and stored in ROM are known as Firmware.   Data stored in ROM can only be modified slowly, with difficulty, or not at all, so it is mainly used to store firmware (software that is closely tied to specific hardware, and unlikely to need frequent updates) or application software in plug-in cartridges.

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