CS604 Midterm Online Quiz

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CS604-Midterm

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_________buffer places no practical limit on the size of the buffer

2 / 50

The condition where a set of blocked processes each holding a resource and waiting to acquire a resource held by another process in the set, is termed as ________.

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In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph contains a _____________

4 / 50

------------has a hierarchical file system structure.

5 / 50

The major advantage of multi-programming system is

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A dashed line is used to represent a _________ in Resource Allocation Graph.

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

8 / 50

Operating system enables the user to use the Hardware Resources.

9 / 50

I/O instructions are Privileged Instructions.

10 / 50

In Resource Allocation Graph, A _______ Pi →Rj indicates that process Pi may request resource Rj at some time in the future.

11 / 50

Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.

12 / 50

The priorities of processes in the __________ group remain fixed.

13 / 50

A semaphore that cause Busy-Waiting is termed as .

14 / 50

Mkfifo() is a _______.

15 / 50

/opt is used for storage of large applications.

16 / 50

A parent process calling __________ system call will be suspended until children process terminates.

17 / 50

You can display all of the signals supported by your system, along with their numbers, by using the -----------command

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The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.

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__________ commands in Linux is used to copy file

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The address generated by the CPU, after any indexing or other addressing-mode arithmetic, is called a --------address, and the address it gets translated to by the MMU is called a ---------address.

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The hardware mechanism that enables a device to notify CPU is called an -------------

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

23 / 50

Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.

24 / 50

The execution of critical sections must NOT be mutually exclusive

25 / 50

The integer value of ________semaphores can range over an unrestricted integer domain.

26 / 50

________________ is an integer variable accessible through wait and signal which are atomic operations.

27 / 50

Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .

28 / 50

The Shortest-Job-First Scheduling algorithm can be

29 / 50

You can create a threads by using the pthread_create() call.

30 / 50

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

31 / 50

Starvation is infinite blocking caused due to unavailability of resources.

32 / 50

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

33 / 50

If your processor does not have two slots empty in Per Process File Descriptor Table, then your _________ system call will fail.

34 / 50

Linux Treats Devices as Files.

35 / 50

Which of the following is correct definition for wait operation?

36 / 50

The time it takes for the dispatcher to stop one process and start another running is known as the-----------.

37 / 50

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

38 / 50

copy file1 file2 is an example of ______ OS view.

39 / 50

command displays the contents of current working directory.

40 / 50

POSIX is a standard developed by ANSI

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In ________ communication the process which wants to communicate with the other process must explicitly name the recipient and the sender.

42 / 50

A solution to the critical section problem must satisfy the following requirements

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The nice value helps in assigning ______ to a process.

44 / 50

Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.

45 / 50

DOS is single user operating system.

46 / 50

Cooperating processes never share any data, code, memory or state.

47 / 50

Taking the CPU from one process and giving the CPU to another process is termed as

48 / 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.

49 / 50

__________ scheduler selects the process from the job pool and put them in main memory.

50 / 50

The critical section problem can be solved by the following except

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