CS604-Midterm
1 / 50
__________ directory includes essential system boot files including the kernel image.
2 / 50
I MB or 1 megabyte is equivalent to----
3 / 50
________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
4 / 50
Swapper is also termed as Short term scheduler.
5 / 50
The following is NOT a classical problem of synchronization
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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 allows a process to move between queues.
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You can display the contents (names of files and directories) of a directory in UNIX/Linux directory structure with the --------------- command.
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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.
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Banker‟s algorithm is used for ________________
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Managing Secondary Storage Involves all of the Following except
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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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-------- command gives a snapshot of the current processes.
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__________ integer shows the highest priority of a process in CPU scheduling
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In ________addressing, the recipient is not required to name the sender.
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A semaphore that cause Busy-Waiting is termed as ___________.
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The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.
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The hardware mechanism that enables a device to notify CPU is called an -------------
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__________ scheduler selects the process from the job pool and put them in main memory.
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The bottom layer in the layered approach of Operating System is-----------
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The priorities of processes in the __________ group remain fixed.
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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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_________buffer places no practical limit on the size of the buffer
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A solution to the critical section problem must satisfy the following requirements
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An operating system is a control program that manages the execution of user programs to prevent errors and improper use of a computer.
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Hardware provide basic computing resource.
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copy file1 file2 is an example of ______ OS view.
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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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Linux Treats Devices as Files.
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When process opens its first file explicitly it will get descriptor number ______
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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 process of switching from one process to another is called ---------------.
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The returned code to the child process after successful fork system call execution is
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The Operating system is a layer of software between _________ and ___________.
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In Unix/ Linux, by default the standard input file is attached to the ___________
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38 / 50
Command-line interpreter is also called __________ in some operating systems.
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The nice value helps in assigning ______ to a process.
40 / 50
_______ is also called Swapper.
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The scheduling of ______ are done by the operating system.
42 / 50
Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
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The main characteristic of a Real time system is
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You can use the ---------command in UNIX to create a directory.
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The interval from the time of submission to the time of completion is the ______
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Cache is non-volatile memory.
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A parent process calling __________ system call will be suspended until children process terminates.
48 / 50
User mode can run the Privileged instructions.
49 / 50
POSIX is a standard developed by ANSI
50 / 50
Database, Complier, Video games are examples of ________.
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