CS604-Midterm
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In Unix/ Linux, by default the standard output file is attached to the ___________
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Banker‟s algorithm is used for ________________
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The hardware mechanism that enables a device to notify CPU is called an -------------
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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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The priority of a process can be changed using ___________ command.
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__________ scheduler selects the process from the job pool and put them in main memory.
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________ determines What will be done.
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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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/opt is used for storage of large applications.
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You can terminate a foreground process by pressing --------------
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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The execution of critical sections must NOT be mutually exclusive
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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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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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_____________ determines How to do something.
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_______ is also called Swapper.
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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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copy file1 file2 is an example of ______ OS view.
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___________ is a piece of code in a cooperating process in which the process may updates shared data (variable, file, database, etc.).
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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 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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Managing Secondary Storage Involves all of the Following except
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The major advantage of multi-programming system is
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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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Linux uses ___________ directory to store system configuration files.
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A solution to the critical section problem must satisfy the following requirements
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In indirect inter process communication, a sender_____mention the name of the recipient.
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The following is NOT a classical problem of synchronization
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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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DOS is single user operating system.
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The critical section problem can be solved by the following except
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The -------------- system call suspends the calling process.
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Mkfifo() is a _______.
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Hardware provide basic computing resource.
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A time sharing system is
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I/O instructions are Privileged Instructions.
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_________ command to resume the execution of a suspended job in the foreground
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The main characteristic of a Real time system is
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The nice value helps in assigning ______ to a process.
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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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-------- command gives a snapshot of the current processes.
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A pathname is the list of directories separated by _________.
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The number of processes completed per unit time is called ___________.
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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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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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A_______ is an integer variable that, apart from initialization is accessible only through two standard atomic operations: wait and signal.
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Swapper is also termed as Short term scheduler.
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50 / 50
------------ register contains the size of the process
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