CS604-Midterm
1 / 50
Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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A program in execution is called a _______________.
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Linux uses ___________ directory to store system configuration files.
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Mkfifo() is a _______.
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The time it takes for the dispatcher to stop one process and start another running is known as the-----------.
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Bounded Buffer is a buffer of ____________ size
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___________ is a solution to the problem of indefinite blockage of low-priority processes.
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The integer value of ________semaphores can range over an unrestricted integer domain.
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A semaphore that cause Busy-Waiting is termed as .
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A semaphore that cause Busy-Waiting is termed as ___________.
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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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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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If a system is not in a safe state, there can be No deadlocks.
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A process consists of __________
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The scheduling of ______ are done by the operating system.
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We can install and run multiple OS by using VMWare.
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_____________ determines How to do something.
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The main characteristic of a Real time system is
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-------- command gives a snapshot of the current processes.
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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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In Unix/ Linux, by default the standard output file is attached to the ___________
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The -------------- system call suspends the calling process.
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The process of switching from one process to another is called latency.
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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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___________ is used in real time operating systems.
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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.
27 / 50
_________ command to resume the execution of a suspended job in the foreground
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You can use the rm file1 command to __________ file1
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In Layered approach of OS, Lowest Layer is known as ________.
30 / 50
A time sharing system is
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The returned code to the child process after successful fork system call execution is
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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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_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
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In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph contains a _____________
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Hardware provide basic computing resource.
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The process of switching from one process to another is called ---------------.
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In ________ communication the process which wants to communicate with the other process must explicitly name the recipient and the sender.
38 / 50
Cache is non-volatile memory.
39 / 50
Managing Secondary Storage Involves all of the Following except
40 / 50
Which of the following is correct definition for wait operation?
41 / 50
A_______ is an integer variable that, apart from initialization is accessible only through two standard atomic operations: wait and signal.
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n-process critical section problem can be solved by using
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In Linux directory structure, there is ___________ root directory.
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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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If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.
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________________ is an integer variable accessible through wait and signal which are atomic operations.
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A_____ is an abstract key for accessing a file.
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In ________addressing, the recipient is not required to name the sender.
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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 ________.
50 / 50
A parent process calling __________ system call will be suspended until children process terminates.
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