CS604 Midterm Online Quiz

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CS604-Midterm

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The execution of critical sections must NOT be mutually exclusive

2 / 50

The Shortest-Job-First Scheduling algorithm can be

3 / 50

The critical section problem can be solved by the following except

4 / 50

A major problem with priority scheduling algorithms is ______.

5 / 50

In Linux directory structure, there is ___________ root directory.

6 / 50

________ determines What will be done.

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When a process opens its first file explicitly it will get descriptor number _________

8 / 50

The bottom-up view is that operating system is a resource manager who manages the hardware and software resources in the computer system.

9 / 50

The process of switching from one process to another is called ---------------.

10 / 50

A Process that has finished working, as well as its parent process has also finished its execution. In this state the process A will be called as _________ process.

11 / 50

_____________ is a preemptive scheduling algorithm.

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A semaphore that cause Busy-Waiting is termed as ___________.

13 / 50

The Purpose of Operating System is to generate Executable Programs and to _______ them.

14 / 50

Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____

15 / 50

If the fork system call fails, it returns

16 / 50

An operating system is a control program that manages the execution of user programs to prevent errors and improper use of a computer.

17 / 50

_________________ scheduling allows a process to move between queues.

18 / 50

____ is a virtual directory in Linux and Unix.

19 / 50

Starvation is infinite blocking caused due to unavailability of resources.

20 / 50

Command-line interpreter is also called __________ in some operating systems.

21 / 50

/usr/X11R6 is used by the X Window System.

22 / 50

Cache is non-volatile memory.

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Linux is a version of _______ operating system.

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___________ is a piece of code in a cooperating process in which the process may updates shared data (variable, file, database, etc.).

25 / 50

Binary semaphores are those that have only two values---------

26 / 50

Which part of the computer system helps in managing the file and memory management system?

27 / 50

In Layered approach of OS, Lowest Layer is known as ________.

28 / 50

You can display the contents (names of files and directories) of a directory in UNIX/Linux directory structure with the --------------- command.

29 / 50

In indirect inter process communication, a sender ________ mention the name of the recipient.

30 / 50

A Process „A‟ that has finished working but its parent process has also finished its execution. In this state the process „A‟ will be called as _____ process.

31 / 50

------------ register contains the size of the process

32 / 50

DOS is single user operating system.

33 / 50

_______ is also called Swapper.

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If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.

35 / 50

Operating System is the Manager of Hardware Resources.

36 / 50

The process id returned to the child process after successful fork system call execution is _____________.

37 / 50

POSIX is a standard developed by ANSI

38 / 50

_________ command to resume the execution of a suspended job in the foreground

39 / 50

-------- command gives a snapshot of the current processes.

40 / 50

User Goal of OS is that It easy to use, reliable, safe and fast.

41 / 50

Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.

42 / 50

_____________ determines How to do something.

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You can use the ---------command in UNIX to create a directory.

44 / 50

A process consists of __________

45 / 50

All threads within a process share the ________ address space.

46 / 50

I MB or 1 megabyte is equivalent to----

47 / 50

The following is NOT a classical problem of synchronization  

48 / 50

The manual pages can be read in Linux using ____ command.

49 / 50

An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.

50 / 50

The bottom layer in the layered approach of Operating System is-----------

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