CS604-Midterm
1 / 50
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 ________.
2 / 50
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.
3 / 50
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.
4 / 50
If a system is not in a safe state, there can be No deadlocks.
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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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Operating System is the Manager of Hardware Resources.
7 / 50
Database, Complier, Video games are examples of ________.
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The priority of a process can be changed using ___________ command.
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Shared libraries and kernel modules are stored in directory
10 / 50
The creating process is called a--------------- process while the new processes are called the -------------- of that process
11 / 50
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 scheduling of ______ are done by the operating system.
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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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Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____
15 / 50
A system call________
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________ determines What will be done.
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A semaphore that cause Busy-Waiting is termed as .
18 / 50
_________ command to resume the execution of a suspended job in the foreground
19 / 50
You can use the rm file1 command to __________ file1
20 / 50
The main characteristic of a Real time system is
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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.
22 / 50
_____________ determines How to do something.
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When process opens its first file explicitly it will get descriptor number ______
24 / 50
Which of the Following is not an Operating System.
25 / 50
Managing Secondary Storage Involves all of the Following except
26 / 50
The -------------- system call suspends the calling process.
27 / 50
What do we name to an address that is loaded into the memory-address register of the memory?
28 / 50
______scheduler selects the process from the job pool and put them in main memory.
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The interval from the time of submission to the time of completion is the ______
30 / 50
Taking the CPU from one process and giving the CPU to another process is termed as
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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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The process of switching from one process to another is called latency.
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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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You can terminate a foreground process by pressing --------------
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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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_____ system call is used to write to a file or FIFO or any other IPC channel.
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38 / 50
This condition is known as ______________.
39 / 50
Swapper is also termed as Short term scheduler.
40 / 50
A process consists of __________
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A time sharing system is
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Which register holds the smallest legal physical memory address for a process?
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___________ is used in real time operating systems.
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The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
45 / 50
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
46 / 50
Cache is non-volatile memory.
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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.”
48 / 50
command displays the contents of current working directory.
49 / 50
The hardware mechanism that enables a device to notify CPU is called an -------------
50 / 50
___________ algorithm is used in Deadlock avoidance.
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