CS604-Midterm
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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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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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Each page is a power of -------- bytes long in paging scheme.
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n-process critical section problem can be solved by using
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The execution of critical sections must NOT be mutually exclusive
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Swapper is also termed as Short term scheduler.
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When process opens its first file explicitly it will get descriptor number ______
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_____ system call is used to write to a file or FIFO or any other IPC channel.
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The ________ requires that once a writer is ready, that writer performs its write as soon as possible , if a writer waiting to access the object, no new readers may start reading.
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The process of switching from one process to another is called ---------------.
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The process id returned to the child process after successful fork system call execution is _____________.
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Operating system enables the user to use the Hardware Resources.
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________________ is an integer variable accessible through wait and signal which are atomic operations.
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Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
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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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Users are the People, machines or computers that uses the Hardware resources.
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_________buffer places no practical limit on the size of the buffer
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___________ is used in real time operating systems.
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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.
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A pathname is the list of directories separated by _________.
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Binary semaphores are those that have only two values---------
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A condition where a set of blocked processes each holding a resource and waiting to acquire a resource held by another process in the set is termed as ________.
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If the fork system call fails, it returns
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___________ algorithm is used in Deadlock avoidance.
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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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-------- command gives a snapshot of the current processes.
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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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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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The main characteristic of a Real time system is
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This condition is known as ______________.
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Operating System is the Manager of Hardware Resources.
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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 nice value helps in assigning ______ to a process.
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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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Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
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Linux is a version of _______ operating system.
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User Goal of OS is that It easy to use, reliable, safe and fast.
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Batch programs are usually _________ programs.
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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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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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__________ displays information about the top processes.
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__________ integer shows the highest priority of a process in CPU scheduling
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The process of switching from one process to another is called latency.
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An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
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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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User mode can run the Privileged instructions.
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Bounded Buffer is a buffer of ____________ size
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Which of the following is correct definition for wait operation?
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The interval from the time of submission to the time of completion is the ______
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