Thursday, April 26, 2018

Computer Science Mock Test NET Exam (Operating Systems ) - Part 03

This Quiz is posted with the sole aim of guiding the aspirants of UGC-NET /CSIR -NET Exam to the path of success. To sharpen the edges of your own intelligence and practice, in a structured and concrete manner to ensure you definite Success in your endeavor and will Pave your way for a successful career in Teaching (or) Research Profession . All the very best...... Knock the door of success......
  1.  The first version of UNIX was written by_________. 
    1.  Forouson
    2.  Ken Thompson
    3.  Dennis Ritchie
    4.  C Babbage

  2. The command line argument   a.out  x  'a  b'  "c  d"
    1.  is acceptable if the double quotes are replaced by single quotes
    2.  is acceptable
    3.  is acceptable if the single quotes arc replaced by double quotes
    4.  not acceptable

  3. Which command will be used with vi editor to append text at end of the file?
    1.  A
    2.  i
    3.  k
    4.  a

  4. No shell script can take input from
    1.  the shell holds the script
    2.  the output of the previously executed command redirected to it
    3.  stdin
    4.  none of the above

  5. The read in the previous question is a ______.
    1.  System call
    2.  Library function
    3.  Application file
    4.  Shell command

  6. Which command is used to print a file in Unix?
    1.  pg
    2.  Ip
    3.  m
    4.  prt

  7. The UNIX file system stores a date in physical block of _____ bytes.
    1.  32
    2.  1024
    3.  512
    4.  2048

  8. UNIX operating system is based on _____.
    1.  kernel approach
    2.  time sharing
    3.  multiprogramming
    4.  language structure

  9. TLB stands for ______.
    1.  Translation Look Block
    2.  Translation Look aside Buffer
    3.  Translation Left Buffer
    4.  Translation Leaky Bucket

  10. Virtual machines are _____.
    1.  Lack of machine
    2.  Physical machine
    3.  Real machine in testing phase
    4.  Illusion of real