CS604-Midterm
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A process consists of __________
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The -------------- system call suspends the calling process.
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Which part of the computer system helps in managing the file and memory management system?
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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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POSIX is a standard developed by ANSI
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The following requirement for solving critical section problem is known as ______. “There exists a bound on the number of times that other processes are allowed to enter their critical sections after a process has made a request to enter its critical section and before that request is granted.”
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A process is said to be in critical section if it executes code that manipulates shared data
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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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Binary semaphores are those that have only two values---------
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You can create a threads by using the pthread_create() call.
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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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The bottom layer in the layered approach of Operating System is-----------
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An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
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The main characteristic of a Real time system is
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_________buffer places no practical limit on the size of the buffer
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The critical section problem can be solved by the following except
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Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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The bottom-up view is that operating system is a resource manager who manages the hardware and software resources in the computer system.
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The priorities of processes in the __________ group remain fixed.
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___________ is a solution to the problem of indefinite blockage of low-priority processes.
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In Layered approach of OS, Lowest Layer is known as ________.
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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 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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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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The manual pages can be read in Linux using ____ command.
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You can use the ---------command in UNIX to create a directory.
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We can install and run multiple OS by using VMWare.
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________ determines What will be done.
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You can use the rm file1 command to __________ file1
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command displays the contents of current working directory.
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_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
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__________ directory includes essential system boot files including the kernel image.
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Each page is a power of -------- bytes long in paging scheme.
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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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You can use the ------------- command to display the status of suspended and background processes
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Managing Secondary Storage Involves all of the Following except
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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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An operating system is a control program that manages the execution of user programs to prevent errors and improper use of a computer.
40 / 50
A semaphore that cause Busy-Waiting is termed as .
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The major advantage of multi-programming system is
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_________ command to resume the execution of a suspended job in the foreground
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In indirect inter process communication, a sender_____mention the name of the recipient.
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/opt is used for storage of large applications.
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In indirect inter process communication, a sender ________ mention the name of the recipient.
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__________ commands in Linux is used to copy file
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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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In Resource Allocation Graph, A _______ Pi →Rj indicates that process Pi may request resource Rj at some time in the future.
49 / 50
A solution to the critical section problem must satisfy the following requirements
50 / 50
_____________ is a preemptive scheduling algorithm.
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