Technical Questions asked in Nucleus-Software

  1. Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?
    1. Weak entity
    2. Strong entity
    3. ID-dependent entity
    4. ID- independent entity
    Answer: Option A.
  2. The algorithm which replaces the block which has not been referenced for awhile is called _____.
    1. LRU
    2. ORF
    3. Direct
    4. Both a and
    Answer: Option A.
  1. network layer
  2. transport layer
  3. session layer
  4. data link layer
Answer: Option B.
  • Which layer is responsible for process to process delivery?
    1. network layer
    2. transport layer
    3. session layer
    4. data link layer
    Answer: Option B.
  • The Load instruction does the following operation/s:
    1. Loads the contents of a disc onto a memory location
    2. Loads the contents of a location onto the accumulators
    3.  Load the contents of the PCB onto the register
    4.  Both a and c
    Answer: Option B.
  • Which of the following data structures are indexed structures?
    1. Linear arrays
    2. Linked lists
    3. Graphs
    4. Trees
    Answer: Option A.
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