With each visit of this Operating System online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions Question type Randomized MCQs.Changes every time you visit the test Total Number of Questions 30 Time Limit 20 Minutes Points 1 Point for each Question
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Question 1 of 30
Q-1.______ is a unique tag, usually a number, identifies the file within the file system.
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Question 2 of 30
Q-2.What is interprocess communication?
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Question 3 of 30
Q-3.What is the reusable resource?
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Question 4 of 30
Q-4.In which type of the following OS, the response time is very crucial.
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Question 5 of 30
Q-5.Which system call returns the process identifier of a terminated child?
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Question 6 of 30
Q-6.Program always deals with
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Question 7 of 30
Q-7.For effective operating system, when to check for deadlock?
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Question 8 of 30
Q-8.The pager concerns with the
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Question 9 of 30
Q-9.File type can be represented by
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Question 10 of 30
Q-10.Which one of the following error will be handle by the operating system?
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Question 11 of 30
Q-11.If one or more devices use a common set of wires to communicate with the computer system,the connection is called ______.
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Question 12 of 30
Q-12.Several processes access and manipulate the same data concurrently and the outcome of the
execution depends on the particular order in which the access takes place, is called a(n) ____.
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Question 13 of 30
Q-13.Symptoms of swap-file problems include extremely slow system speed and a disk that is constantly being accessed, which is referred to as ______________.
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Question 14 of 30
Q-14.Mapping of file is managed by
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Question 15 of 30
Q-15.Memory management technique in which system stores and retrieves data from secondary
storage for use in main memory is called
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Question 16 of 30
Q-16.What is operating system?
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Question 17 of 30
Q-17.What is a medium-term scheduler ?
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Question 18 of 30
Q-18.Bringing a page into memory only when it is needed,this mechanism is called
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Question 19 of 30
Q-19.The systems which allows only one process execution at a time, are called
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Question 20 of 30
Q-20.A program in execution is called
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Question 21 of 30
Q-21.A memory buffer used to accommodate a speed differential is called
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Question 22 of 30
Q-22.What is the ready state of a process?
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Question 23 of 30
Q-23.file system fragmentation occurs when
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Question 24 of 30
Q-24.If a process is executing in its critical section, then no other processes can be executing in
their critical section. This condition is called
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Question 25 of 30
Q-25.In a multi-programming environment :
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Question 26 of 30
Q-26.Which of the following is
the allocation method of a
disk space?
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Question 27 of 30
Q-27.If a process fails, most operating system write the error information to a
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Question 28 of 30
Q-28.Copying a process from memory to disk to allow space for other processes
is Called
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Question 29 of 30
Q-29.The main function of the command interpreter is
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Question 30 of 30
Q-30.The address of the next instruction to be executed by the current process is provided by the
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