Technical Questions asked in Polaris Software

  1. Choose the correct statement
    1. Processes may be either independent or cooperating processes
    2. Thread Control block is a container which holds every information related to a process
    3. Deadlock prevention is not possible, avoidance is possible to some extent
    4. Cascading termination refers to the concept of killing the child processes though a parent process also exists
    Answer:  Option A.
  2. 'using' in C++ is for
    1. 'using' does not exist in C++
    2. used for library functions
    3. 'using' is a literal in C++
    4. used for pointers
    Answer: Option  B.
    Note : it is also used often for namespaces.
  1. If a page number is not found in the TLB, then it is known as a ___________
    1. TLB miss
    2. Buffer miss
    3. TLB hit
    4. TLB not found
    Answer: Option  A.
  2. FDM is applied when:
    1. The bandwidth of the link( in hertz) is greater than the combined bandwidth of the signal to be transmitted.
    2. The bandwidth of the link(in hertz) is equal to the combined bandwidth of the signal to be transmitted.
    3. The bandwidth of the link(in hertz) is lesser than the combined bandwidth of the signal to be transmitted.
    4. The bandwidth of the link(in hertz) is equal to the bandwidth of the signal to be transmitted.
    Answer: Option  A.
  3. Reference is __________
    1. alias of an object
    2. used to rename an object
    3. a special operator
    4. a pointer to virtual function
    Answer:  Option  A.
  4. The size of a page is typically _________
    1. Varied
    2. Power of 2
    3. Power of 4
    4. Power of 8
    Answer: Option  B.

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