CS604-Midterm
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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Time interval when the I/O Devices are accessed is known as --------.
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The critical section problem can be solved by the following except
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The following is NOT a classical problem of synchronization
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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.
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The Purpose of Operating System is to generate Executable Programs and to _______ them.
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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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An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
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/usr/X11R6 is used by the X Window System.
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A process consists of __________
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rm and [r]mkdir commands are used to _____________ directory.
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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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n-process critical section problem can be solved by using
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------------has a hierarchical file system structure.
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The main characteristic of a Real time system is
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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 process is said to be in critical section if it executes code that manipulates shared data
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__________ commands in Linux is used to copy file
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In indirect inter process communication, a sender_____mention the name of the recipient.
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A dashed line is used to represent a _________ in Resource Allocation Graph.
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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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Banker‟s algorithm is used for ________________
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Operating System is the Manager of Hardware Resources.
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The integer value of ________semaphores can range over an unrestricted integer domain.
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If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.
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The interval from the time of submission to the time of completion is the ______
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copy file1 file2 is an example of ______ OS view.
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You can terminate a foreground process by pressing --------------
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Mkfifo() is a _______.
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Managing Secondary Storage Involves all of the Following except
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____ is a virtual directory in Linux and Unix.
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The basic purpose of ________________is to help the users to utilize the hardware resources for completing different tasks in a simplified manner
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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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_____________ determines How to do something.
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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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___________ is a solution to the problem of indefinite blockage of low-priority processes.
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A program in execution is called a _______________.
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Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
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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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_____________ is a preemptive scheduling algorithm.
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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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The process of holding at least one resource and waiting to acquire additional resources that are currently being held by other processes is known as________.
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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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____ command gives a snapshot of the current processes.
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The execution of critical sections must NOT be mutually exclusive
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-------- command gives a snapshot of the current processes.
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------------ register contains the size of the process
48 / 50
Hardware provide basic computing resource.
49 / 50
In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph contains a _____________
50 / 50
The Operating system is a layer of software between _________ and ___________.
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