CS604 Midterm Online Quiz

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CS604-Midterm

1 / 50

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

2 / 50

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

3 / 50

rm and [r]mkdir commands are used to _____________ directory.

4 / 50

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

5 / 50

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

6 / 50

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

7 / 50

_______ is also called Swapper.

8 / 50

If the fork system call fails, it returns

9 / 50

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

10 / 50

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

11 / 50

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

12 / 50

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

13 / 50

copy file1 file2 is an example of ______ OS view.

14 / 50

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

15 / 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 ________.

16 / 50

Linux uses ___________ directory to store system configuration files.

17 / 50

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

18 / 50

________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.

19 / 50

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

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Managing Secondary Storage Involves all of the Following except

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

22 / 50

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

23 / 50

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

24 / 50

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

25 / 50

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

26 / 50

In Linux directory structure, there is ___________ root directory.

27 / 50

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

28 / 50

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

29 / 50

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

30 / 50

Linux is a version of _______ operating system.

31 / 50

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

32 / 50

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

33 / 50

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

34 / 50

The scheduling of ______ are done by the operating system.

35 / 50

I/O instructions are Privileged Instructions.

36 / 50

A solution to the critical section problem must satisfy the following requirements

37 / 50

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

38 / 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.

39 / 50

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

40 / 50

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

41 / 50

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

42 / 50

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

43 / 50

A_____ is an abstract key for accessing a file.

44 / 50

The Purpose of Operating System is to generate Executable Programs and to _______ them.

45 / 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.

46 / 50

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

47 / 50

OS helps manages the following except

48 / 50

The execution of critical sections must NOT be mutually exclusive

49 / 50

The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.

50 / 50

/usr/X11R6 is used by the X Window System.

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