Operating Systems MCQ

Test your knowledge with important Operating Systems MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Operating Systems MCQs at Bissoy

• The Microsoft Access wildcards are ____ and ____ .
  ক

  asterisk (*); percent sign (%) \

  খ

  percent sign (%); underscore (_) \

  গ

  underscore(_); question mark (?)

  ঘ

  question mark (?); asterisk (*)
• High level language is also called as ?
  ক

  Business oriented language

  খ

  Mathematically oriented language

  গ

  Problem oriented language

  ঘ

  All of above
• The program that is responsible for loading the operating system into RAM is the _______.
  ক

  BIOS

  খ

  Bootstrap Program

  গ

  Drive- Driver

  ঘ

  Supervisor Program
• What type of operating system uses the NTFS file system ?
  ক

  Windows

  খ

  Mac OS X

  গ

  Unix

  ঘ

  All of these
• Which memory management technique involves dividing the memory into fixed sized blocks ?
  ক

  Paging

  খ

  Scaling

  গ

  Whiping

  ঘ

  Tracking
• A computer assisted method for the recording and analyzing of existing or hypothetical systems is
  ক

  Data transmission

  খ

  Data capture

  গ

  Data flow

  ঘ

  Data processing
• Default read write and execute permissions given to a file for owner, group and others are
  ক

  6-4-4

  খ

  6-4-2

  গ

  6-4-6

  ঘ

  6-6-6
• The PS command prints the process status for only some of the running processes.
  ক

  TRUE

  খ

  FALSE

  গ

  A) TRUE,B) FALSE

  ঘ

  A) TRUE,B) FALSE
• Which among the following is not aprocess state in unix?
  ক

  Running

  খ

  Runnable

  গ

  Zombie

  ঘ

  Stopped
• getppid() system call is used to bias the existing priority of a process
  ক

  TRUE

  খ

  FALSE

  গ

  A) TRUE,B) FALSE

  ঘ

  A) TRUE,B) FALSE
• Which among the following is a system call used for process management
  ক

  fork()

  খ

  exec()

  গ

  getppid()

  ঘ

  All the above
• main() { fork(); printf(“Hello World!”); } Output for the above unix program is
  ক

  Hello World!

  খ

  Hello World!Hello World!

  গ

  Hello World

  ঘ

  None
• Which among the following are not the children of Swapper or Scheduler?
  ক

  Process Dispatcher

  খ

  Vhand

  গ

  Dbflush

  ঘ

  All the above
• The main interface in Windows and OS X is __________ interface.
  ক

  Command-line

  খ

  Embedded

  গ

  Neural

  ঘ

  Graphical
• Which command displays the present workig directory in UNIX?
  ক

  $who

  খ

  $pwd

  গ

  $who are you

  ঘ

  None
• Which among the following are the components of windows registry?
  ক

  Keys

  খ

  SubKeys

  গ

  Values

  ঘ

  All the above
• A UNIX user named Bob wants to replace his chess program with a new one, but he is not sure where the old one is installed. Bob is currently able to run a Java chess program starting from his home directory /home/bob using the command: java -classpath /test:/home/bob/downloads/*.jar games.Chess Bob's CLASSPATH is set (at login time) to: /usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jar What is a possible location for the Chess.class file?
  ক

  \/test\/Chess.class

  খ

  \/home\/bob\/Chess.class

  গ

  \/test\/games\/Chess.class

  ঘ

  \/user\/lib\/games\/Chess.class
• Which of the following cannot carry implicit information?
  ক

  semaphore

  খ

  message passing

  গ

  threads

  ঘ

  process
• Which of the following becomes a limiting factor while an application program has to be complete?
  ক

  memory

  খ

  peripheral

  গ

  input

  ঘ

  output
• Which of the following is an example of a single task operating system?
  ক

  android

  খ

  windows

  গ

  IOS

  ঘ

  CP/M
• Which of the following is the first widely used operating system?
  ক

  MS-DOS

  খ

  windows XP

  গ

  android

  ঘ

  CP/M
• Which of the following bus can easily upgrade the system hardware?
  ক

  control bus

  খ

  data bus

  গ

  VMEbus

  ঘ

  bus interface unit
• Which of the following are not dependent on the actual hardware performing the physical task?
  ক

  applications

  খ

  hardware

  গ

  registers

  ঘ

  parameter block
• Which of the following locates a parameter block by using an address pointer?
  ক

  OS

  খ

  kernel

  গ

  system

  ঘ

  memory
• Which forms the heart of the operating system?
  ক

  kernel

  খ

  applications

  গ

  hardware

  ঘ

  operating system
• Which of the following includes its own I/O routine?
  ক

  hardware

  খ

  kernel

  গ

  operating system

  ঘ

  application manager
• Which of the following speed up the testing process?
  ক

  kernel

  খ

  software

  গ

  application manager

  ঘ

  program debugging tools
• Which of the following can make the application program hardware independent?
  ক

  software

  খ

  application manager

  গ

  operating system

  ঘ

  kernel
• Which of the following enables the user to utilise the system efficiently?
  ক

  kernel

  খ

  operating system

  গ

  software

  ঘ

  hardware
• Which of the following provides a buffer between the user and the low-level interfaces to the hardware?
  ক

  operating system

  খ

  kernel

  গ

  software

  ঘ

  hardware