CS604-Midterm
1 / 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.
2 / 50
The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
3 / 50
In ________addressing, the recipient is not required to name the sender.
4 / 50
________________ is an integer variable accessible through wait and signal which are atomic operations.
5 / 50
__________ commands in Linux is used to copy file
6 / 50
_____________ determines How to do something.
7 / 50
In Unix/ Linux, by default the standard output file is attached to the ___________
8 / 50
The process of switching from one process to another is called latency.
9 / 50
_________________ scheduling allows a process to move between queues.
10 / 50
You can use the ---------command in UNIX to create a directory.
11 / 50
Which of the following is NOT a Hardware Resource.
12 / 50
_________ command to resume the execution of a suspended job in the foreground
13 / 50
_____________ is a preemptive scheduling algorithm.
14 / 50
rm and [r]mkdir commands are used to _____________ directory.
15 / 50
The critical section problem can be solved by the following except
16 / 50
The main characteristic of a Real time system is
17 / 50
Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
18 / 50
In Resource Allocation Graph, A _______ Pi →Rj indicates that process Pi may request resource Rj at some time in the future.
19 / 50
A_____ is an abstract key for accessing a file.
20 / 50
Linux is a version of _______ operating system.
21 / 50
command displays the contents of current working directory.
22 / 50
Managing Secondary Storage Involves all of the Following except
23 / 50
OS helps manages the following except
24 / 50
_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
25 / 50
What do we name to an address that is loaded into the memory-address register of the memory?
26 / 50
If your processor does not have two slots empty in Per Process File Descriptor Table, then your _________ system call will fail.
27 / 50
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.
28 / 50
A time sharing system is
29 / 50
The bottom layer in the layered approach of Operating System is-----------
30 / 50
Mkfifo() is a _______.
31 / 50
Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
32 / 50
Which of the following is correct definition for wait operation?
33 / 50
Which part of the computer system helps in managing the file and memory management system?
34 / 50
-------- command gives a snapshot of the current processes.
35 / 50
A system call________
36 / 50
The -------------- system call suspends the calling process.
37 / 50
Operating System is the Manager of Hardware Resources.
38 / 50
In Layered approach of OS, Lowest Layer is known as ________.
39 / 50
Command-line interpreter is also called __________ in some operating systems.
40 / 50
You can use the rm file1 command to __________ file1
41 / 50
Cooperating processes never share any data, code, memory or state.
42 / 50
The hardware mechanism that enables a device to notify CPU is called an -------------
43 / 50
The process id returned to the child process after successful fork system call execution is _____________.
44 / 50
A major problem with priority scheduling algorithms is ______.
45 / 50
The process of switching from one process to another is called ---------------.
46 / 50
The performance of Round Robin algorithm does NOT depends heavily on the size of the time quantum.
47 / 50
The priority of a process can be changed using ___________ command.
48 / 50
Which of the Following is not an Operating System.
49 / 50
If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.
50 / 50
The basic purpose of ________________is to help the users to utilize the hardware resources for completing different tasks in a simplified manner
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