CS604-Midterm
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The Purpose of Operating System is to generate Executable Programs and to _______ them.
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__________ integer shows the highest priority of a process in CPU scheduling
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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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The main characteristic of a Real time system is
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The hardware mechanism that enables a device to notify CPU is called an -------------
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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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____ is a virtual directory in Linux and Unix.
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Which register holds the smallest legal physical memory address for a process?
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In Unix/ Linux, by default the standard output file is attached to the ___________
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The manual pages can be read in Linux using ____ command.
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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A major problem with priority scheduling algorithms is ______.
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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 time it takes for the dispatcher to stop one process and start another running is known as the-----------.
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You can use the ------------- command to display the status of suspended and background processes
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Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.
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Using _________system, we can create a new process in Linux.
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______scheduler selects the process from the job pool and put them in main memory.
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____ command gives a snapshot of the current processes.
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Which of the following is NOT a Hardware Resource.
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User Goal of OS is that It easy to use, reliable, safe and fast.
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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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In Linux directory structure, there is ___________ root directory.
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The integer value of ________semaphores can range over an unrestricted integer domain.
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A semaphore that cause Busy-Waiting is termed as ___________.
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A parent process calling __________ system call will be suspended until children process terminates.
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rm and [r]mkdir commands are used to _____________ directory.
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Command-line interpreter is also called __________ in some operating systems.
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User mode can run the Privileged instructions.
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The interval from the time of submission to the time of completion is the ______
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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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Managing Secondary Storage Involves all of the Following except
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Cooperating processes never share any data, code, memory or state.
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The priorities of processes in the __________ group remain fixed.
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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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Taking the CPU from one process and giving the CPU to another process is termed as
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In Unix/ Linux, by default the standard input file is attached to the ___________
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The bottom layer in the layered approach of Operating System is-----------
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Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
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The correct command for compiling C program named program.c in Linux environment is
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Kernel is responsible for scheduling the user level threads.
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The execution of critical sections must NOT be mutually exclusive
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____ command display the status of a process.
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___________ is used in real time operating systems.
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Bounded Buffer is a buffer of ____________ size
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Database, Complier, Video games are examples of ________.
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copy file1 file2 is an example of ______ OS view.
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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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