CS604 Midterm Online Quiz

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CS604-Midterm

1 / 50

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

2 / 50

copy file1 file2 is an example of ______ OS view.

3 / 50

You can use the rm file1 command to __________ file1

4 / 50

A program in execution is called a _______________.

5 / 50

Cache is non-volatile memory.

6 / 50

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

7 / 50

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

8 / 50

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

9 / 50

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

10 / 50

Linux is a version of _______ operating system.

11 / 50

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.

12 / 50

________ determines What will be done.

13 / 50

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

14 / 50

A process consists of __________

15 / 50

____ command gives a snapshot of the current processes.

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

Operating System is the Manager of Hardware Resources.

20 / 50

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

21 / 50

First-Come, First-Served (FCFS) is a --------------scheduling algorithm.

22 / 50

Users are the People, machines or computers that uses the Hardware resources.

23 / 50

In indirect inter process communication, a sender_____mention the name of the recipient.

24 / 50

/opt is used for storage of large applications.

25 / 50

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

26 / 50

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

27 / 50

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

28 / 50

__________ integer shows the highest priority of a process in CPU scheduling

29 / 50

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

30 / 50

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

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

A_____ is an abstract key for accessing a file.

35 / 50

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

36 / 50

command displays the contents of current working directory.

37 / 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 ________.

38 / 50

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

39 / 50

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

40 / 50

In ---------addressing; the recipient is not required to name the sender.

41 / 50

Using _________system, we can create a new process in Linux.

42 / 50

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

43 / 50

_____________ determines How to do something.

44 / 50

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

45 / 50

Mkfifo() is a _______.

46 / 50

The Home Directory for superuser in Linux and Unix is

47 / 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.

48 / 50

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

49 / 50

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

50 / 50

I/O instructions are Privileged Instructions.

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