Lecturer Computer Science 23-06-23 - MCQs

Q An IPv4 address consists of:

  • A 4 bits
  • B 32 bits
  • C 32 bytes
  • D 8 bytes
KPPSC Lecturer Computer Science 23-06-23 Safdar Ali

Q Encryption/ Decryption is performed by _________ layer of OSI.

  • A Application
  • B Session
  • C Presentation
  • D Network
KPPSC Lecturer Computer Science 23-06-23 Safdar Ali

Q In Operating Systems, absolute path starts from _________?

  • A Current Directory
  • B Root Directory
  • C Present Directory
  • D None of these
KPPSC Lecturer Computer Science 23-06-23 Safdar Ali

Q Semaphores are used to solve the problem of _________?

  • A Race condition
  • B Mutual exclusion
  • C Critical section
  • D None of these
KPPSC Lecturer Computer Science 23-06-23 Safdar Ali

Q Which of the following is a service not supported by Operating System?

  • A Protection
  • B Accounting
  • C Compilation
  • D I/O operation
KPPSC Lecturer Computer Science 23-06-23 Safdar Ali

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