CS604-Midterm
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Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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The Home Directory for superuser in Linux and Unix is
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The main characteristic of a Real time system is
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A major problem with priority scheduling algorithms is ______.
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The process of switching from one process to another is called ---------------.
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The time it takes for the dispatcher to stop one process and start another running is known as the-----------.
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The Shortest-Job-First Scheduling algorithm can be
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The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
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The performance of Round Robin algorithm does NOT depends heavily on the size of the time quantum.
10 / 50
Which of the following is correct definition for wait operation?
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-------- command gives a snapshot of the current processes.
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All threads within a process share the ________ address space.
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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_______ is also called Swapper.
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When process opens its first file explicitly it will get descriptor number ______
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If a system is not in a safe state, there can be No deadlocks.
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The execution of critical sections must NOT be mutually exclusive
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_________ command to resume the execution of a suspended job in the foreground
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The number of processes completed per unit time is called ___________.
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The Operating system is a layer of software between _________ and ___________.
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DOS is single user operating system.
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Using _________system, we can create a new process in Linux.
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User mode can run the Privileged instructions.
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Operating System is the Manager of Hardware Resources.
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This condition is known as ______________.
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What do we name to an address that is loaded into the memory-address register of the memory?
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Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
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__________ directory includes essential system boot files including the kernel image.
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Current working directory can be accessed using --------- Command.
30 / 50
You can use the ------------- command to display the status of suspended and background processes
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_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
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Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____
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An operating system is a control program that manages the execution of user programs to prevent errors and improper use of a computer.
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The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.
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___________ is a solution to the problem of indefinite blockage of low-priority processes.
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A pathname is the list of directories separated by _________.
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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 -------------- system call suspends the calling process.
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______scheduler selects the process from the job pool and put them in main memory.
40 / 50
Command-line interpreter is also called __________ in some operating systems.
41 / 50
command displays the contents of current working directory.
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Which of the following is NOT a Hardware Resource.
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The priority of a process can be changed using ___________ command.
44 / 50
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
45 / 50
_________________ scheduling allows a process to move between queues.
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Which of the Following is not an Operating System.
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__________ integer shows the highest priority of a process in CPU scheduling
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In Unix/ Linux, by default the standard input file is attached to the ___________
49 / 50
In indirect inter process communication, a sender ________ mention the name of the recipient.
50 / 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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