CS604 Midterm Online Quiz

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CS604-Midterm

1 / 50

A pathname is the list of directories separated by _________.

2 / 50

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

3 / 50

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

4 / 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.

5 / 50

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

6 / 50

Shared libraries and kernel modules are stored in directory

7 / 50

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

8 / 50

Current working directory can be accessed using --------- Command.

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

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

13 / 50

____ command display the status of a process.

14 / 50

All threads within a process share the ________ address space.

15 / 50

In Linux directory structure, there is ___________ root directory.

16 / 50

Banker‟s algorithm is used for ________________

17 / 50

The priorities of processes in the __________ group remain fixed.

18 / 50

Which of the Following is not an Operating System.

19 / 50

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

20 / 50

A program in execution is called a _______________.

21 / 50

__________ displays information about the top processes.

22 / 50

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

23 / 50

Linux is a version of _______ operating system.

24 / 50

A time sharing system is

25 / 50

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

26 / 50

Batch programs are usually _________ programs.

27 / 50

The basic purpose of ________________is to help the users to utilize the hardware resources for completing different tasks in a simplified manner

28 / 50

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

29 / 50

The scheduling of ______ are done by the operating system.

30 / 50

The correct command for compiling C program named program.c in Linux environment is

31 / 50

The procedure “The time at which the process finished working MINUS the arrival time of the process MINUS CPU burst for that process” will help calculate the _________.

32 / 50

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

33 / 50

A process consists of __________

34 / 50

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

35 / 50

A system call________

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

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

46 / 50

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

47 / 50

A process is said to be in critical section if it executes code that manipulates shared data

48 / 50

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

49 / 50

We can install and run multiple OS by using VMWare.

50 / 50

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

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