CS604 Midterm Online Quiz

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CS604-Midterm

1 / 50

In Linux directory structure, there is ___________ root directory.

2 / 50

Mkfifo() is a _______.

3 / 50

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

4 / 50

Swapper is also termed as Short term scheduler.

5 / 50

/opt is used for storage of large applications.

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

7 / 50

Operating System is the Manager of Hardware Resources.

8 / 50

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

9 / 50

Preventing a condition of ________ to happen, deadlocks can be prevented to happen.  

10 / 50

_____________ is a preemptive scheduling algorithm.

11 / 50

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

12 / 50

A pathname is the list of directories separated by _________.

13 / 50

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

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__________ displays information about the top processes.

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Starvation is infinite blocking caused due to unavailability of resources.

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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .

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

18 / 50

Taking the CPU from one process and giving the CPU to another process is termed as

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The manual pages can be read in Linux using ____ command.

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

21 / 50

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

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

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The bottom-up view is that operating system is a resource manager who manages the hardware and software resources in the computer system.

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Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.

25 / 50

The execution of critical sections must NOT be mutually exclusive

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A semaphore that cause Busy-Waiting is termed as .

27 / 50

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

28 / 50

The execution of critical sections must NOT be mutually exclusive

29 / 50

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

30 / 50

Which of the following is correct definition for wait operation?

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

32 / 50

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

33 / 50

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

34 / 50

I/O instructions are Privileged Instructions.

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

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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.

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Banker‟s algorithm is used for ________________

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Linux is a version of _______ operating system.

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

40 / 50

Batch programs are usually _________ programs.

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Database, Complier, Video games are examples of ________.

42 / 50

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

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

44 / 50

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

45 / 50

The following is NOT a classical problem of synchronization  

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_______ is also called Swapper.

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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.

48 / 50

_____________ determines How to do something.

49 / 50

A_____ is an abstract key for accessing a file.

50 / 50

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

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