CS604 Midterm Online Quiz

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CS604-Midterm

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The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.

2 / 50

Database, Complier, Video games are examples of ________.

3 / 50

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

4 / 50

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

5 / 50

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

6 / 50

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

7 / 50

Kernel is responsible for scheduling the user level threads.

8 / 50

Linux is a version of _______ operating system.

9 / 50

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

10 / 50

________ determines What will be done.

11 / 50

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

12 / 50

You can use the rm file1 command to __________ file1

13 / 50

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

14 / 50

In Linux directory structure, there is ___________ root directory.

15 / 50

Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____

16 / 50

A Process that has finished working, as well as its parent process has also finished its execution. In this state the process A will be called as _________ process.

17 / 50

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

18 / 50

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

19 / 50

OS helps manages the following except

20 / 50

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

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The ________ requires that once a writer is ready, that writer performs its write as soon as possible , if a writer waiting to access the object, no new readers may start reading.

22 / 50

The process id returned to the child process after successful fork system call execution is _____________.

23 / 50

Operating System is the Manager of Hardware Resources.

24 / 50

A major problem with priority scheduling algorithms is ______.

25 / 50

The hardware mechanism that enables a device to notify CPU is called an -------------

26 / 50

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

27 / 50

Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.

28 / 50

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

29 / 50

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

30 / 50

 

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

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

32 / 50

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

33 / 50

First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.

34 / 50

n-process critical section problem can be solved by using

35 / 50

_________buffer places no practical limit on the size of the buffer

36 / 50

The major advantage of multi-programming system is

37 / 50

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

38 / 50

Which of the following is NOT a Hardware Resource.

39 / 50

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

40 / 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 _________.

41 / 50

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

42 / 50

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

43 / 50

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

44 / 50

The main characteristic of a Real time system is

45 / 50

____ command gives a snapshot of the current processes.

46 / 50

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

47 / 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 ________.

48 / 50

The Shortest-Job-First Scheduling algorithm can be

49 / 50

The main characteristic of a Real time system is

50 / 50

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

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