CS604-Midterm
1 / 50
Operating system enables the user to use the Hardware Resources.
2 / 50
Which of the following is correct definition for wait operation?
3 / 50
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.
4 / 50
The process of switching from one process to another is called latency.
5 / 50
When process opens its first file explicitly it will get descriptor number ______
6 / 50
n-process critical section problem can be solved by using
7 / 50
_____ system call is used to write to a file or FIFO or any other IPC channel.
8 / 50
An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
9 / 50
In Unix/ Linux, by default the standard output file is attached to the ___________
10 / 50
____ command gives a snapshot of the current processes.
11 / 50
In Layered approach of OS, Lowest Layer is known as ________.
12 / 50
Physical memory is broken down into fixed-sized blocks, called----------- and Logical memory is divided into blocks of the same size, called -----------
13 / 50
The interval from the time of submission to the time of completion is the ______
14 / 50
In Layered Approach of OS, the Layer highest Layer is User Interface layer.
15 / 50
Taking the CPU from one process and giving the CPU to another process is termed as
16 / 50
Linux Treats Devices as Files.
17 / 50
/opt is used for storage of large applications.
18 / 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.
19 / 50
___________ is a solution to the problem of indefinite blockage of low-priority processes.
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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 ________.
21 / 50
A time sharing system is
22 / 50
The Operating system is a layer of software between _________ and ___________.
23 / 50
Current working directory can be accessed using --------- Command.
24 / 50
A semaphore that cause Busy-Waiting is termed as ___________.
25 / 50
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
26 / 50
The number of processes completed per unit time is called ___________.
27 / 50
You can display all of the signals supported by your system, along with their numbers, by using the -----------command
28 / 50
Linux is a version of _______ operating system.
29 / 50
The main characteristic of a Real time system is
30 / 50
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 ________.
31 / 50
--------------command to resume the execution of a suspended job in the foreground
32 / 50
_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
33 / 50
The process of switching from one process to another is called ---------------.
34 / 50
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 _________.
35 / 50
__________ directory includes essential system boot files including the kernel image.
36 / 50
The creating process is called a--------------- process while the new processes are called the -------------- of that process
37 / 50
A_____ is an abstract key for accessing a file.
38 / 50
The time it takes for the dispatcher to stop one process and start another running is known as the-----------.
39 / 50
You can use the ---------command in UNIX to create a directory.
40 / 50
If your processor does not have two slots empty in Per Process File Descriptor Table, then your _________ system call will fail.
41 / 50
What do we name to an address that is loaded into the memory-address register of the memory?
42 / 50
_____________ is a preemptive scheduling algorithm.
43 / 50
______scheduler selects the process from the job pool and put them in main memory.
44 / 50
Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.
45 / 50
/usr/X11R6 is used by the X Window System.
46 / 50
When a process opens its first file explicitly it will get descriptor number _________
47 / 50
A process consists of __________
48 / 50
Time interval when the I/O Devices are accessed is known as --------.
49 / 50
The returned code to the child process after successful fork system call execution is
50 / 50
------------ register contains the size of the process
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