CS604-Midterm
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Which of the following is correct definition for wait operation?
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A system call________
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Mkfifo() is a _______.
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A program in execution is called a _______________.
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You can use the ------------- command to display the status of suspended and background processes
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Shared libraries and kernel modules are stored in directory
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___________ is used in real time operating systems.
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The execution of critical sections must NOT be mutually exclusive
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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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Which part of the computer system helps in managing the file and memory management system?
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Cooperating processes never share any data, code, memory or state.
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A_____ is an abstract key for accessing a file.
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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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Time interval when the I/O Devices are accessed is known as --------.
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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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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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In Unix/ Linux, by default the standard output file is attached to the ___________
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_________ command to resume the execution of a suspended job in the foreground
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A time sharing system is
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A pathname is the list of directories separated by _________.
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First-Come, First-Served (FCFS) is a --------------scheduling algorithm.
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We can install and run multiple OS by using VMWare.
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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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__________ integer shows the highest priority of a process in CPU scheduling
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The critical section problem can be solved by the following except
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You can terminate a foreground process by pressing --------------
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The integer value of ________semaphores can range over an unrestricted integer domain.
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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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If the fork system call fails, it returns
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IPC provides a mechanism to allow processes to communicate and to synchronize their actions without sharing the same__________
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In ---------addressing, the recipient is not required to name the sender.
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You can display the contents (names of files and directories) of a directory in UNIX/Linux directory structure with the --------------- command.
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The bottom layer in the layered approach of Operating System is-----------
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__________ displays information about the top processes.
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DOS is single user operating system.
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Which of the following is NOT a Hardware Resource.
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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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_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
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The following is NOT a classical problem of synchronization
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Operating system enables the user to use the Hardware Resources.
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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The address generated by the CPU, after any indexing or other addressing-mode arithmetic, is called a --------address, and the address it gets translated to by the MMU is called a ---------address.
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The manual pages can be read in Linux using ____ command.
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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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In Layered Approach of OS, the Layer highest Layer is User Interface layer.
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------------ register contains the size of the process
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The Operating system is a layer of software between _________ and ___________.
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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.
50 / 50
Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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