CS604-Midterm
1 / 50
Operating System provides services such as Managing Primary and Secondary Storage, Processes and Allowing user to manage his/her files and directories.
2 / 50
A process is said to be in critical section if it executes code that manipulates shared data
3 / 50
A time sharing system is
4 / 50
copy file1 file2 is an example of ______ OS view.
5 / 50
Which part of the computer system helps in managing the file and memory management system?
6 / 50
Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
7 / 50
The bottom layer in the layered approach of Operating System is-----------
8 / 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.
9 / 50
The Operating system is a layer of software between _________ and ___________.
10 / 50
The performance of Round Robin algorithm does NOT depends heavily on the size of the time quantum.
11 / 50
User Goal of OS is that It easy to use, reliable, safe and fast.
12 / 50
In Linux directory structure, there is ___________ root directory.
13 / 50
Using _________system, we can create a new process in Linux.
14 / 50
The execution of critical sections must NOT be mutually exclusive
15 / 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.
16 / 50
17 / 50
The main characteristic of a Real time system is
18 / 50
Linux uses ___________ directory to store system configuration files.
19 / 50
Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
20 / 50
When process opens its first file explicitly it will get descriptor number ______
21 / 50
Current working directory can be accessed using --------- Command.
22 / 50
The critical section problem can be solved by the following except
23 / 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.
24 / 50
The number of processes completed per unit time is called ___________.
25 / 50
You can use the ---------command in UNIX to create a directory.
26 / 50
_____________ determines How to do something.
27 / 50
I/O instructions are Privileged Instructions.
28 / 50
____ is a virtual directory in Linux and Unix.
29 / 50
If a system is not in a safe state, there can be No deadlocks.
30 / 50
___________ is used in real time operating systems.
31 / 50
The process of switching from one process to another is called ---------------.
32 / 50
__________ integer shows the highest priority of a process in CPU scheduling
33 / 50
In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph contains a _____________
34 / 50
Mkfifo() is a _______.
35 / 50
A system call________
36 / 50
_____________ is a preemptive scheduling algorithm.
37 / 50
Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.
38 / 50
Taking the CPU from one process and giving the CPU to another process is termed as
39 / 50
The interval from the time of submission to the time of completion is the ______
40 / 50
___________ is a solution to the problem of indefinite blockage of low-priority processes.
41 / 50
I MB or 1 megabyte is equivalent to----
42 / 50
-------- command gives a snapshot of the current processes.
43 / 50
In Unix/ Linux, by default the standard output file is attached to the ___________
44 / 50
_____ system call is used to write to a file or FIFO or any other IPC channel.
45 / 50
In indirect inter process communication, a sender ________ mention the name of the recipient.
46 / 50
In ---------addressing, the recipient is not required to name the sender.
47 / 50
You can use the ------------- command to display the status of suspended and background processes
48 / 50
------------ register contains the size of the process
49 / 50
You can display the contents (names of files and directories) of a directory in UNIX/Linux directory structure with the --------------- command.
50 / 50
____ command display the status of a process.
Your score is
The average score is 36%
Restart quiz
