CS604-Midterm
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I MB or 1 megabyte is equivalent to----
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The bottom layer in the layered approach of Operating System 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.
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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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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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You can use the rm file1 command to __________ file1
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If your processor does not have two slots empty in Per Process File Descriptor Table, then your _________ system call will fail.
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Shared libraries and kernel modules are stored in directory
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A semaphore that cause Busy-Waiting is termed as ___________.
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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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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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Cache is non-volatile memory.
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command displays the contents of current working directory.
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________ determines What will be done.
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You can display all of the signals supported by your system, along with their numbers, by using the -----------command
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The manual pages can be read in Linux using ____ command.
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Which of the Following is not an Operating System.
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______scheduler selects the process from the job pool and put them in main memory.
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A pathname is the list of directories separated by _________.
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In Unix/ Linux, by default the standard input file is attached to the ___________
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We can install and run multiple OS by using VMWare.
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The number of processes completed per unit time is called ___________.
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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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 _____________
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Which register holds the smallest legal physical memory address for a process?
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The main characteristic of a Real time system is
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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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copy file1 file2 is an example of ______ OS view.
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Linux is a version of _______ operating system.
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In indirect inter process communication, a sender_____mention the name of the recipient.
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___________ is used in real time operating systems.
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The -------------- system call suspends the calling process.
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_________ command to resume the execution of a suspended job in the foreground
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The process id returned to the child process after successful fork system call execution is _____________.
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POSIX is a standard developed by ANSI
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In Layered Approach of OS, the Layer highest Layer is User Interface layer.
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The nice value helps in assigning ______ to a process.
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A_______ is an integer variable that, apart from initialization is accessible only through two standard atomic operations: wait and signal.
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____ command gives a snapshot of the current processes.
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Banker‟s algorithm is used for ________________
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You can use the ------------- command to display the status of suspended and background processes
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When process opens its first file explicitly it will get descriptor number ______
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Operating system enables the user to use the Hardware Resources.
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A parent process calling __________ system call will be suspended until children process terminates.
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The process of switching from one process to another is called ---------------.
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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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The Shortest-Job-First Scheduling algorithm can be
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