Aptitude Reasoning English GK Computer Knowledge Programming Skill Banking Software Testing



Question - 1

 Banker's algorithm is used?

  • To prevent deadlock
  • To deadlock recovery
  • To solve the deadlock
  • To helps deadlock
Solutions
Question - 2

A set of processes is deadlock if

  • each process is blocked and will remain so forever
  • each process is terminated
  • all processes are trying to kill each other
  • All the above
Solutions
Question - 3

Which is the Linux operating system?

  • Windows operating system
  • Open-source operating system
  • Private operating system
  • None of the above
Solutions
Question - 4

Which is the correct one for In a multi-programming environment

  • the processor executes more than one process at a time
  • the programs are developed by more than one person
  • more than one process resides in the memory
  • a single user can execute many programs at the same time
Solutions
Question - 5

The ___ program is not allowed to read data from the disk.

  • OS
  • Application
  • System
  • Resident Monitor
Solutions
Question - 6

What is the full name of the IDL?

  • Interface definition language
  • Interface direct language
  • Interface data library
  • None of these
Solutions
Question - 7

The multi-user Operating System is based on the concept of ____

  • Time-losing
  • Time-spooling
  • Time-gaining
  • Time-sharing
Solutions
Question - 8

What is bootstrapping called?

  • Cold boot
  • Cold hot boot
  • Cold hot strap
  • Hot boot
Solutions
Question - 9

If a process is executing in its critical section, then no other processes can be executing in their critical section. This condition is called

  • mutual exclusion
  • critical exclusion
  • Synchronous exclusion
  • asynchronous exclusion
Solutions
Question - 10

____ systems have more than one CPU in close communication with the others.

  • Communication
  • Multiprocessor
  • Controller
  • Processor
Solutions
Question - 11

How many types of multiprocessing models are there?

  • 2
  • 3
  • 4
  • 5
Solutions
Question - 12

Which of the following operating system write through catches?

  • XEVIX
  • ULTRIX
  • DOS
  • UNIX
Solutions
Question - 13

What is the use of directory structure in the operating system?

  • The directory structure is used to solve the problem of the network connection in OS.
  • It is used to store folders and files hierarchically.
  • It is used to store the program in file format.
  • All of the these
Solutions
Question - 14

What is the primary job of operating system is 

  • Be user friendly
  • Provide utilities
  • Manage resources
  • Command resources
Solutions
Question - 15

Which one of the following is a synchronization tool?

  • thread
  • pipe
  • semaphore
  • socket
Solutions
Question - 16

 Which of the following file systems is supported by the windows OS?

  • NTFS
  • FAT32
  • exFAT
  • All the above
Solutions
Question - 17

Which one is the example of hard real time system?

  • Robotics
  • Industrial control
  • Both (a) and (b)
  • None of these
Solutions
Question - 18

Which of the following operating system runs on the server?

  • Network OS
  • Real-time OS
  • Distributed OS
  • Batch OS
Solutions
Question - 19

Which file is the batch file that is read while booting a computer?

  • Auto.bat
  • Autoexec.bat
  • Auto-batch
  • Autoexecutive.bat
Solutions
Question - 20

What is the paging in the operating system?

  • Memory management scheme
  • Network management scheme
  • Internet management scheme
  • None of the these
Solutions
Tags:
Operating System MCQs,Quiz on Operating System ,Operating System test,Operating System MCQs and Answers,Multiple choice questions on Operating System PDF,Operating Systemtest,Operating System quiz