CS604-Midterm
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__________ integer shows the highest priority of a process in CPU scheduling
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Which part of the computer system helps in managing the file and memory management system?
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The critical section problem can be solved by the following except
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The Purpose of Operating System is to generate Executable Programs and to _______ them.
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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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_________________ scheduling allows a process to move between queues.
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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 enables the user to use the Hardware Resources.
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You can create a threads by using the pthread_create() call.
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The Home Directory for superuser in Linux and Unix is
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Each page is a power of -------- bytes long in paging scheme.
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The procedure “The time at which the process finished working MINUS the arrival time of the process MINUS CPU burst for that process” will help calculate the _________.
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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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The bottom layer in the layered approach of Operating System is-----------
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rm and [r]mkdir commands are used to _____________ directory.
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__________ directory includes essential system boot files including the kernel image.
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Swapper is also termed as Short term scheduler.
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Banker‟s algorithm is used for ________________
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___________ algorithm is used in Deadlock avoidance.
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The creating process is called a--------------- process while the new processes are called the -------------- of that process
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The interval from the time of submission to the time of completion is the ______
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When process opens its first file explicitly it will get descriptor number ______
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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 program in execution is called a _______________.
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The integer value of ________semaphores can range over an unrestricted integer domain.
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Time interval when the I/O Devices are accessed is known as --------.
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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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I/O instructions are Privileged Instructions.
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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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_____________ is a preemptive scheduling algorithm.
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________________ is an integer variable accessible through wait and signal which are atomic operations.
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The following is NOT a classical problem of synchronization
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___________ is used in real time operating systems.
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OS helps manages the following except
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In ---------addressing, the recipient is not required to name the sender.
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__________ commands in Linux is used to copy file
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Which of the Following is not an Operating System.
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We can install and run multiple OS by using VMWare.
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-------- command gives a snapshot of the current processes.
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All threads within a process share the ________ address space.
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The priority of a process can be changed using ___________ command.
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Which register holds the smallest legal physical memory address for a process?
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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copy file1 file2 is an example of ______ OS view.
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/usr/X11R6 is used by the X Window System.
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You can use the ------------- command to display the status of suspended and background processes
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The execution of critical sections must NOT be mutually exclusive
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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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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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