CS604-Midterm
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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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The bottom layer in the layered approach of Operating System is-----------
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Users are the People, machines or computers that uses the Hardware resources.
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The priorities of processes in the __________ group remain fixed.
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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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A dashed line is used to represent a _________ in Resource Allocation Graph.
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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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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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--------------command to resume the execution of a suspended job in the foreground
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In ---------addressing, the recipient is not required to name the sender.
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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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IPC provides a mechanism to allow processes to communicate and to synchronize their actions without sharing the same__________
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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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___________ algorithm is used in Deadlock avoidance.
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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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Which of the following is correct definition for wait operation?
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You can create a threads by using the pthread_create() call.
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Linux is a version of _______ operating system.
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In Layered approach of OS, Lowest Layer is known as ________.
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__________ scheduler selects the process from the job pool and put them in main memory.
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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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------------ register contains the size of the process
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First-Come, First-Served (FCFS) is a --------------scheduling algorithm.
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The Shortest-Job-First Scheduling algorithm can be
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A_____ is an abstract key for accessing a file.
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Which of the Following is not an Operating System.
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If the fork system call fails, it returns
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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-------- command gives a snapshot of the current processes.
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Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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Operating system enables the user to use the Hardware Resources.
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Starvation is infinite blocking caused due to unavailability of resources.
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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 major advantage of multi-programming system is
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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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Swapper is also termed as Short term scheduler.
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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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The manual pages can be read in Linux using ____ command.
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Each page is a power of -------- bytes long in paging scheme.
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You can use the ------------- command to display the status of suspended and background processes
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/usr/X11R6 is used by the X Window System.
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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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In ________addressing, the recipient is not required to name the sender.
45 / 50
Cooperating processes never share any data, code, memory or state.
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Linux uses ___________ directory to store system configuration files.
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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.
48 / 50
User mode can run the Privileged instructions.
49 / 50
Time interval when the I/O Devices are accessed is known as --------.
50 / 50
A solution to the critical section problem must satisfy the following requirements
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