CS604 Midterm Online Quiz

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CS604-Midterm

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

2 / 50

A program in execution is called a _______________.

3 / 50

Linux uses ___________ directory to store system configuration files.

4 / 50

Mkfifo() is a _______.

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

6 / 50

Bounded Buffer is a buffer of ____________ size

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___________ is a solution to the problem of indefinite blockage of low-priority processes.

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

9 / 50

A semaphore that cause Busy-Waiting is termed as .

10 / 50

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

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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.

12 / 50

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

13 / 50

If a system is not in a safe state, there can be No deadlocks.

14 / 50

A process consists of __________

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The scheduling of ______ are done by the operating system.

16 / 50

We can install and run multiple OS by using VMWare.

17 / 50

_____________ determines How to do something.

18 / 50

The main characteristic of a Real time system is

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

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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.

21 / 50

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

22 / 50

The -------------- system call suspends the calling process.

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

24 / 50

Physical memory is broken down into fixed-sized blocks, called----------- and Logical memory is divided into blocks of the same size, called -----------

25 / 50

___________ is used in real time operating systems.

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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.

27 / 50

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

28 / 50

You can use the rm file1 command to __________ file1

29 / 50

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

30 / 50

A time sharing system is

31 / 50

The returned code to the child process after successful fork system call execution is

32 / 50

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

33 / 50

_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.

34 / 50

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

35 / 50

Hardware provide basic computing resource.

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

37 / 50

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

38 / 50

Cache is non-volatile memory.

39 / 50

Managing Secondary Storage Involves all of the Following except

40 / 50

Which of the following is correct definition for wait operation?

41 / 50

A_______ is an integer variable that, apart from initialization is accessible only through two standard atomic operations: wait and signal.

42 / 50

n-process critical section problem can be solved by using

43 / 50

In Linux directory structure, there is ___________ root directory.

44 / 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.

45 / 50

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

46 / 50

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

47 / 50

A_____ is an abstract key for accessing a file.

48 / 50

In ________addressing, the recipient is not required to name the sender.

49 / 50

A 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 ________.

50 / 50

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

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The average score is 36%

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