CS604 Midterm Online Quiz

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CS604-Midterm

1 / 50

The interval from the time of submission to the time of completion is the ______

2 / 50

_________________ scheduling allows a process to move between queues.

3 / 50

A semaphore that cause Busy-Waiting is termed as .

4 / 50

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

5 / 50

The number of processes completed per unit time is called ___________.

6 / 50

_________buffer places no practical limit on the size of the buffer

7 / 50

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

8 / 50

The Operating system is a layer of software between _________ and ___________.

9 / 50

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

10 / 50

If the fork system call fails, it returns

11 / 50

The following requirement for solving critical section problem is known as ______. “There exists a bound on the number of times that other processes are allowed to enter their critical sections after a process has made a request to enter its critical section and before that request is granted.”

12 / 50

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

13 / 50

The creating process is called a--------------- process while the new processes are called the -------------- of that process

14 / 50

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

15 / 50

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

16 / 50

The critical section problem can be solved by the following except

17 / 50

Time interval when the I/O Devices are accessed is known as --------.

18 / 50

rm and [r]mkdir commands are used to _____________ directory.

19 / 50

I/O instructions are Privileged Instructions.

20 / 50

The main characteristic of a Real time system is

21 / 50

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

22 / 50

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

23 / 50

Which of the following is NOT a Hardware Resource.

24 / 50

The Top-down view is that it is a program that acts as an intermediary between a user of a computer and the computer hardware, and makes the computer system convenient to use.

25 / 50

Operating System provides services such as Managing Primary and Secondary Storage, Processes and Allowing user to manage his/her files and directories.

26 / 50

The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.

27 / 50

___________ algorithm is used in Deadlock avoidance.

28 / 50

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

29 / 50

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

30 / 50

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

31 / 50

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

32 / 50

In Unix/ Linux, by default the standard output file is attached to the ___________

33 / 50

_____ system call is used to write to a file or FIFO or any other IPC channel.

34 / 50

User mode can run the Privileged instructions.

35 / 50

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

36 / 50

Linux uses ___________ directory to store system configuration files.

37 / 50

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

38 / 50

________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.

39 / 50

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

40 / 50

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

41 / 50

Which register holds the smallest legal physical memory address for a process?

42 / 50

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

43 / 50

_____________ determines How to do something.

44 / 50

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

45 / 50

A_____ is an abstract key for accessing a file.

46 / 50

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

47 / 50

Starvation is infinite blocking caused due to unavailability of resources.

48 / 50

A ---------------- (or an exception) is a software-generated interrupt caused either by an error (division by zero or invalid memory access) or by a user request for an operating system service.

49 / 50

Database, Complier, Video games are examples of ________.

50 / 50

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

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