CS604-Midterm
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Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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___________ is used in real time operating systems.
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______scheduler selects the process from the job pool and put them in main memory.
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_________________ scheduling allows a process to move between queues.
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A_____ is an abstract key for accessing a file.
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The performance of Round Robin algorithm does NOT depends heavily on the size of the time quantum.
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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 _________.
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________________ is an integer variable accessible through wait and signal which are atomic operations.
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Bounded Buffer is a buffer of ____________ size
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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 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.
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The number of processes completed per unit time is called ___________.
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Hardware provide basic computing resource.
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If a system is not in a safe state, there can be No deadlocks.
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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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The process of switching from one process to another is called ---------------.
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Which part of the computer system helps in managing the file and memory management system?
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Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
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In ---------addressing, the recipient is not required to name the sender.
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In ________addressing, the recipient is not required to name the sender.
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Linux is a version of _______ operating system.
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When a process opens its first file explicitly it will get descriptor number _________
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_____________ determines How to do something.
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Current working directory can be accessed using --------- Command.
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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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____ is a virtual directory in Linux and Unix.
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All threads within a process share the ________ address space.
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------------ register contains the size of the process
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Cooperating processes never share any data, code, memory or state.
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In Layered Approach of OS, the Layer highest Layer is User Interface layer.
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/usr/X11R6 is used by the X Window System.
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In ________ communication the process which wants to communicate with the other process must explicitly name the recipient and the sender.
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Time interval when the I/O Devices are accessed is known as --------.
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Binary semaphores are those that have only two values---------
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The correct command for compiling C program named program.c in Linux environment is
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Cache is non-volatile memory.
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The process of switching from one process to another is called latency.
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The execution of critical sections must NOT be mutually exclusive
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Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
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__________ commands in Linux is used to copy file
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____ command gives a snapshot of the current processes.
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The manual pages can be read in Linux using ____ command.
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In Resource Allocation Graph, A _______ Pi →Rj indicates that process Pi may request resource Rj at some time in the future.
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The returned code to the child process after successful fork system call execution is
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_____ system call is used to write to a file or FIFO or any other IPC channel.
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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.
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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 -----------
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___________ algorithm is used in Deadlock avoidance.
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A parent process calling __________ system call will be suspended until children process terminates.
50 / 50
When process opens its first file explicitly it will get descriptor number ______
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