CS604-Midterm
1 / 50
Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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You can display all of the signals supported by your system, along with their numbers, by using the -----------command
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When a process opens its first file explicitly it will get descriptor number _________
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Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.
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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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Physical memory is broken down into fixed-sized blocks, called----------- and Logical memory is divided into blocks of the same size, called -----------
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A system call________
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If the fork system call fails, it returns
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The execution of critical sections must NOT be mutually exclusive
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The correct command for compiling C program named program.c in Linux environment is
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------------ register contains the size of the process
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Operating system enables the user to use the Hardware Resources.
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-------- command gives a snapshot of the current processes.
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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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Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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The hardware mechanism that enables a device to notify CPU is called an -------------
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A process consists of __________
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In Layered approach of OS, Lowest Layer is known as ________.
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Linux uses ___________ directory to store system configuration files.
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The priorities of processes in the __________ group remain fixed.
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The priority of a process can be changed using ___________ command.
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The nice value helps in assigning ______ to a process.
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Batch programs are usually _________ programs.
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Operating System provides services such as Managing Primary and Secondary Storage, Processes and Allowing user to manage his/her files and directories.
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Taking the CPU from one process and giving the CPU to another process is termed as
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copy file1 file2 is an example of ______ OS view.
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The 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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The process of switching from one process to another is called latency.
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____ command gives a snapshot of the current processes.
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Which part of the computer system helps in managing the file and memory management system?
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In Layered Approach of OS, the Layer highest Layer is User Interface layer.
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____ command display the status of a process.
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Users are the People, machines or computers that uses the Hardware resources.
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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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38 / 50
Banker‟s algorithm is used for ________________
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Managing Secondary Storage Involves all of the Following except
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Operating System is the Manager of Hardware Resources.
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User Goal of OS is that It easy to use, reliable, safe and fast.
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A semaphore that cause Busy-Waiting is termed as .
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In Linux directory structure, there is ___________ root directory.
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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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Linux Treats Devices as Files.
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Mkfifo() is a _______.
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Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
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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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------------has a hierarchical file system structure.
50 / 50
In ________addressing, the recipient is not required to name the sender.
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