CS604 Midterm Online Quiz

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CS604-Midterm

1 / 50

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

2 / 50

copy file1 file2 is an example of ______ OS view.

3 / 50

You can terminate a foreground process by pressing --------------

4 / 50

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

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

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Database, Complier, Video games are examples of ________.

7 / 50

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

8 / 50

Starvation is infinite blocking caused due to unavailability of resources.

9 / 50

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

10 / 50

command displays the contents of current working directory.

11 / 50

Linux uses ___________ directory to store system configuration files.

12 / 50

____ command display the status of a process.

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The priority of a process can be changed using ___________ command.

14 / 50

The critical section problem can be solved by the following except

15 / 50

User mode can run the Privileged instructions.

16 / 50

In Layered Approach of OS, the Layer highest Layer is User Interface layer.

17 / 50

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

18 / 50

The performance of Round Robin algorithm does NOT depends heavily on the size of the time quantum.

19 / 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 _________.

20 / 50

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

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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 ________.

22 / 50

You can use the rm file1 command to __________ file1

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The execution of critical sections must NOT be mutually exclusive

24 / 50

In Linux directory structure, there is ___________ root directory.

25 / 50

Hardware provide basic computing resource.

26 / 50

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

27 / 50

A system call________

28 / 50

Bounded Buffer is a buffer of ____________ size

29 / 50

I/O instructions are Privileged Instructions.

30 / 50

Which of the following is correct definition for wait operation?

31 / 50

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

32 / 50

Kernel is responsible for scheduling the user level threads.

33 / 50

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

34 / 50

You can use the ------------- command to display the status of suspended and background processes

35 / 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.

36 / 50

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

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

38 / 50

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

39 / 50

The Shortest-Job-First Scheduling algorithm can be

40 / 50

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

41 / 50

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

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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.

43 / 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.”

44 / 50

Mkfifo() is a _______.

45 / 50

An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.

46 / 50

 

IPC provides a mechanism to allow processes to communicate and to synchronize their actions without sharing the same__________

47 / 50

You can display the contents (names of files and directories) of a directory in UNIX/Linux directory structure with the --------------- command.

48 / 50

__________ directory includes essential system boot files including the kernel image.

49 / 50

Cache is non-volatile memory.

50 / 50

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

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