CS604-Midterm
1 / 50
Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
2 / 50
The Home Directory for superuser in Linux and Unix is
3 / 50
The main characteristic of a Real time system is
4 / 50
A major problem with priority scheduling algorithms is ______.
5 / 50
The process of switching from one process to another is called ---------------.
6 / 50
The time it takes for the dispatcher to stop one process and start another running is known as the-----------.
7 / 50
The Shortest-Job-First Scheduling algorithm can be
8 / 50
The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
9 / 50
The performance of Round Robin algorithm does NOT depends heavily on the size of the time quantum.
10 / 50
Which of the following is correct definition for wait operation?
11 / 50
-------- command gives a snapshot of the current processes.
12 / 50
All threads within a process share the ________ address space.
13 / 50
Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
14 / 50
_______ is also called Swapper.
15 / 50
When process opens its first file explicitly it will get descriptor number ______
16 / 50
If a system is not in a safe state, there can be No deadlocks.
17 / 50
The execution of critical sections must NOT be mutually exclusive
18 / 50
_________ command to resume the execution of a suspended job in the foreground
19 / 50
The number of processes completed per unit time is called ___________.
20 / 50
The Operating system is a layer of software between _________ and ___________.
21 / 50
DOS is single user operating system.
22 / 50
Using _________system, we can create a new process in Linux.
23 / 50
User mode can run the Privileged instructions.
24 / 50
Operating System is the Manager of Hardware Resources.
25 / 50
This condition is known as ______________.
26 / 50
What do we name to an address that is loaded into the memory-address register of the memory?
27 / 50
Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
28 / 50
__________ directory includes essential system boot files including the kernel image.
29 / 50
Current working directory can be accessed using --------- Command.
30 / 50
You can use the ------------- command to display the status of suspended and background processes
31 / 50
_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
32 / 50
Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____
33 / 50
An operating system is a control program that manages the execution of user programs to prevent errors and improper use of a computer.
34 / 50
The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.
35 / 50
___________ is a solution to the problem of indefinite blockage of low-priority processes.
36 / 50
A pathname is the list of directories separated by _________.
37 / 50
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.”
38 / 50
The -------------- system call suspends the calling process.
39 / 50
______scheduler selects the process from the job pool and put them in main memory.
40 / 50
Command-line interpreter is also called __________ in some operating systems.
41 / 50
command displays the contents of current working directory.
42 / 50
Which of the following is NOT a Hardware Resource.
43 / 50
The priority of a process can be changed using ___________ command.
44 / 50
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
45 / 50
_________________ scheduling allows a process to move between queues.
46 / 50
Which of the Following is not an Operating System.
47 / 50
__________ integer shows the highest priority of a process in CPU scheduling
48 / 50
In Unix/ Linux, by default the standard input file is attached to the ___________
49 / 50
In indirect inter process communication, a sender ________ mention the name of the recipient.
50 / 50
A_______ is an integer variable that, apart from initialization is accessible only through two standard atomic operations: wait and signal.
Your score is
The average score is 36%
Restart quiz
