CS604-Midterm
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If your processor does not have two slots empty in Per Process File Descriptor Table, then your _________ system call will fail.
2 / 50
n-process critical section problem can be solved by using
3 / 50
___________ is a solution to the problem of indefinite blockage of low-priority processes.
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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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The main characteristic of a Real time system is
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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.
8 / 50
A_____ is an abstract key for accessing a file.
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The nice value helps in assigning ______ to a process.
10 / 50
If the fork system call fails, it returns
11 / 50
The performance of Round Robin algorithm does NOT depends heavily on the size of the time quantum.
12 / 50
The correct command for compiling C program named program.c in Linux environment is
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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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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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All threads within a process share the ________ address space.
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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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Bounded Buffer is a buffer of ____________ size
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_________buffer places no practical limit on the size of the buffer
20 / 50
An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
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What do we name to an address that is loaded into the memory-address register of the memory?
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Linux is a version of _______ operating system.
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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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Users are the People, machines or computers that uses the Hardware resources.
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__________ displays information about the top processes.
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I/O instructions are Privileged Instructions.
27 / 50
The -------------- system call suspends the calling process.
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Which of the following is NOT a Hardware Resource.
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_____________ is a preemptive scheduling algorithm.
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Operating System is the Manager of Hardware Resources.
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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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In Layered approach of OS, Lowest Layer is known as ________.
33 / 50
___________ algorithm is used in Deadlock avoidance.
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The priorities of processes in the __________ group remain fixed.
35 / 50
The number of processes completed per unit time is called ___________.
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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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____ is a virtual directory in Linux and Unix.
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_____ system call is used to write to a file or FIFO or any other IPC channel.
39 / 50
POSIX is a standard developed by ANSI
40 / 50
The integer value of ________semaphores can range over an unrestricted integer domain.
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Command-line interpreter is also called __________ in some operating systems.
42 / 50
The returned code to the child process after successful fork system call execution is
43 / 50
Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
44 / 50
In ________ communication the process which wants to communicate with the other process must explicitly name the recipient and the sender.
45 / 50
Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.
46 / 50
You can use the ------------- command to display the status of suspended and background processes
47 / 50
Which of the following is correct definition for wait operation?
48 / 50
The hardware mechanism that enables a device to notify CPU is called an -------------
49 / 50
The time it takes for the dispatcher to stop one process and start another running is known as the-----------.
50 / 50
/usr/X11R6 is used by the X Window System.
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