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Computer Science MCQs

MCQs on Programming, Networking, Database and OS

102 Questions Subject Test
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Strengthen your knowledge of computer fundamentals, hardware, software, programming, networks, databases and information technology.

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101
Medium css Uploaded: 09 Aug 2026

Which device is used to convert digital signals to analog and vice versa?

  • A Router
  • B Switch
  • C Modem
  • D Hub
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102
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What type of communication occurs between a computer and a keyboard?

  • A Full-Duplex
  • B Simplex
  • C Half-Duplex
  • D Multiplex
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