CS604-Midterm
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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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Database, Complier, Video games are examples of ________.
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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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___________ algorithm is used in Deadlock avoidance.
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A process consists of __________
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The Shortest-Job-First Scheduling algorithm can be
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Time interval when the I/O Devices are accessed is known as --------.
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In Unix/ Linux, by default the standard input file is attached to the ___________
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You can terminate a foreground process by pressing --------------
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Linux uses ___________ directory to store system configuration files.
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___________ is used in real time operating systems.
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The performance of Round Robin algorithm does NOT depends heavily on the size of the time quantum.
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A program in execution is called a _______________.
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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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DOS is single user operating system.
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Kernel is responsible for scheduling the user level threads.
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_________________ scheduling allows a process to move between queues.
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In Unix/ Linux, by default the standard output file is attached to the ___________
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Operating system enables the user to use the Hardware Resources.
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Users are the People, machines or computers that uses the Hardware resources.
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The bottom layer in the layered approach of Operating System is-----------
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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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The process of switching from one process to another is called ---------------.
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_________ command to resume the execution of a suspended job in the foreground
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--------------command to resume the execution of a suspended job in the foreground
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Binary semaphores are those that have only two values---------
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The Operating system is a layer of software between _________ and ___________.
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You can create a threads by using the pthread_create() call.
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When a process opens its first file explicitly it will get descriptor number _________
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The major advantage of multi-programming system is
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We can install and run multiple OS by using VMWare.
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I MB or 1 megabyte is equivalent to----
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User Goal of OS is that It easy to use, reliable, safe and fast.
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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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If the fork system call fails, it returns
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Command-line interpreter is also called __________ in some operating systems.
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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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Shared libraries and kernel modules are stored in directory
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___________ is a solution to the problem of indefinite blockage of low-priority processes.
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If a system is not in a safe state, there can be No deadlocks.
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Hardware provide basic computing resource.
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The nice value helps in assigning ______ to a process.
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Linux Treats Devices as Files.
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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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Each page is a power of -------- bytes long in paging scheme.
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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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Cache is non-volatile memory.
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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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The creating process is called a--------------- process while the new processes are called the -------------- of that process
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A major problem with priority scheduling algorithms is ______.
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