CS604-Midterm
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The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
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A pathname is the list of directories separated by _________.
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When process opens its first file explicitly it will get descriptor number ______
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You can use the ---------command in UNIX to create a directory.
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The process of switching from one process to another is called latency.
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Which of the following is correct definition for wait operation?
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------------ register contains the size of the process
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__________ displays information about the top processes.
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Which register holds the smallest legal physical memory address for a process?
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The Home Directory for superuser in Linux and Unix is
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_______ is also called Swapper.
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rm and [r]mkdir commands are used to _____________ directory.
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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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_____________ determines How to do something.
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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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_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
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Operating system enables the user to use the Hardware Resources.
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Swapper is also termed as Short term scheduler.
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The bottom layer in the layered approach of Operating System is-----------
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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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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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I/O instructions are Privileged Instructions.
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The execution of critical sections must NOT be mutually exclusive
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The main characteristic of a Real time system is
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A major problem with priority scheduling algorithms is ______.
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User Goal of OS is that It easy to use, reliable, safe and fast.
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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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A process is said to be in critical section if it executes code that manipulates shared data
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A time sharing system is
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In Unix/ Linux, by default the standard output file is attached to the ___________
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The critical section problem can be solved by the following except
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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 Operating system is a layer of software between _________ and ___________.
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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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In Layered approach of OS, Lowest Layer is known as ________.
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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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All threads within a process share the ________ address space.
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POSIX is a standard developed by ANSI
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In Layered Approach of OS, the Layer highest Layer is User Interface layer.
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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 number of processes completed per unit time is called ___________.
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The ________ requires that once a writer is ready, that writer performs its write as soon as possible , if a writer waiting to access the object, no new readers may start reading.
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Kernel is responsible for scheduling the user level threads.
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The priority of a process can be changed using ___________ command.
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Banker‟s algorithm is used for ________________
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If the fork system call fails, it returns
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You can use the rm file1 command to __________ file1
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_____________ is a preemptive scheduling algorithm.
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Batch programs are usually _________ programs.
50 / 50
A Process „A‟ that has finished working but its parent process has also finished its execution. In this state the process „A‟ will be called as _____ process.
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