DESCO Sub-Assistant Engineer (CSE) May 2023 – Written question & solution

Questions from the DESCO Sub-Assistant Engineer (CSE) recruitment exam, May 2023 – Written, shared by the candidates who sat it. The paper: 6 written questions. So far 6 written questions have been shared. Topics include Computer Architecture, Operating System, Computer Networks, Data Structure and Coding.

Written (6)

  1. Write down the difference between RAM and ROM.
  2. Write down the difference between Serial Port and Parallel Port.
  3. Write down the difference between Multitasking and Multiprocessing.
  4. Write down the difference among Hub, Switch and Router.
  5. Write down the difference between Stack and Queue.
  6. Write down the principles of OOP. What is Polymorphism? Write the names of 3 OOP languages.

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