CS604-Midterm
1 / 50
__________ scheduler selects the process from the job pool and put them in main memory.
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Kernel is responsible for scheduling the user level threads.
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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.”
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The following is NOT a classical problem of synchronization
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We can install and run multiple OS by using VMWare.
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In ---------addressing; the recipient is not required to name the sender.
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The execution of critical sections must NOT be mutually exclusive
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OS helps manages the following except
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When process opens its first file explicitly it will get descriptor number ______
10 / 50
Linux Treats Devices as Files.
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--------------command to resume the execution of a suspended job in the foreground
12 / 50
The correct command for compiling C program named program.c in Linux environment is
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Operating System provides services such as Managing Primary and Secondary Storage, Processes and Allowing user to manage his/her files and directories.
14 / 50
Linux uses ___________ directory to store system configuration files.
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_________buffer places no practical limit on the size of the buffer
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Physical memory is broken down into fixed-sized blocks, called----------- and Logical memory is divided into blocks of the same size, called -----------
17 / 50
Each page is a power of -------- bytes long in paging scheme.
18 / 50
An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
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Which of the following is NOT a Hardware Resource.
20 / 50
Binary semaphores are those that have only two values---------
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A_______ is an integer variable that, apart from initialization is accessible only through two standard atomic operations: wait and signal.
22 / 50
The critical section problem can be solved by the following except
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The process of switching from one process to another is called ---------------.
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__________ commands in Linux is used to copy file
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A program in execution is called a _______________.
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Managing Secondary Storage Involves all of the Following except
27 / 50
The major advantage of multi-programming system is
28 / 50
In ________addressing, the recipient is not required to name the sender.
29 / 50
In Unix/ Linux, by default the standard input file is attached to the ___________
30 / 50
-------- command gives a snapshot of the current processes.
31 / 50
Which of the Following is not an Operating System.
32 / 50
In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph contains a _____________
33 / 50
The hardware mechanism that enables a device to notify CPU is called an -------------
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_____________ is a preemptive scheduling algorithm.
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A ---------------- (or an exception) is a software-generated interrupt caused either by an error (division by zero or invalid memory access) or by a user request for an operating system service.
36 / 50
rm and [r]mkdir commands are used to _____________ directory.
37 / 50
Swapper is also termed as Short term scheduler.
38 / 50
____ is a virtual directory in Linux and Unix.
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You can terminate a foreground process by pressing --------------
40 / 50
The returned code to the child process after successful fork system call execution is
41 / 50
You can use the ---------command in UNIX to create a directory.
42 / 50
The interval from the time of submission to the time of completion is the ______
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The manual pages can be read in Linux using ____ command.
44 / 50
The basic purpose of ________________is to help the users to utilize the hardware resources for completing different tasks in a simplified manner
45 / 50
This condition is known as ______________.
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The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
47 / 50
The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.
48 / 50
The creating process is called a--------------- process while the new processes are called the -------------- of that process
49 / 50
50 / 50
A semaphore that cause Busy-Waiting is termed as .
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