CS604-Midterm
1 / 50
Time interval when the I/O Devices are accessed is known as --------.
2 / 50
Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
3 / 50
rm and [r]mkdir commands are used to _____________ directory.
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You can display the contents (names of files and directories) of a directory in UNIX/Linux directory structure with the --------------- command.
5 / 50
Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.
6 / 50
In indirect inter process communication, a sender ________ mention the name of the recipient.
7 / 50
_______ is also called Swapper.
8 / 50
If the fork system call fails, it returns
9 / 50
In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph contains a _____________
10 / 50
--------------command to resume the execution of a suspended job in the foreground
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12 / 50
The number of processes completed per unit time is called ___________.
13 / 50
copy file1 file2 is an example of ______ OS view.
14 / 50
The process of switching from one process to another is called latency.
15 / 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 ________.
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Linux uses ___________ directory to store system configuration files.
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Operating System provides services such as Managing Primary and Secondary Storage, Processes and Allowing user to manage his/her files and directories.
18 / 50
________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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Command-line interpreter is also called __________ in some operating systems.
20 / 50
Managing Secondary Storage Involves all of the Following except
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In ________ communication the process which wants to communicate with the other process must explicitly name the recipient and the sender.
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In Layered approach of OS, Lowest Layer is known as ________.
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_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
24 / 50
You can use the ------------- command to display the status of suspended and background processes
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The process id returned to the child process after successful fork system call execution is _____________.
26 / 50
In Linux directory structure, there is ___________ root directory.
27 / 50
You can create a threads by using the pthread_create() call.
28 / 50
A semaphore that cause Busy-Waiting is termed as ___________.
29 / 50
------------has a hierarchical file system structure.
30 / 50
Linux is a version of _______ operating system.
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__________ scheduler selects the process from the job pool and put them in main memory.
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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 _____
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The hardware mechanism that enables a device to notify CPU is called an -------------
34 / 50
The scheduling of ______ are done by the operating system.
35 / 50
I/O instructions are Privileged Instructions.
36 / 50
A solution to the critical section problem must satisfy the following requirements
37 / 50
You can use the ---------command in UNIX to create a directory.
38 / 50
The address generated by the CPU, after any indexing or other addressing-mode arithmetic, is called a --------address, and the address it gets translated to by the MMU is called a ---------address.
39 / 50
You can terminate a foreground process by pressing --------------
40 / 50
The interval from the time of submission to the time of completion is the ______
41 / 50
In Layered Approach of OS, the Layer highest Layer is User Interface layer.
42 / 50
Which register holds the smallest legal physical memory address for a process?
43 / 50
A_____ is an abstract key for accessing a file.
44 / 50
The Purpose of Operating System is to generate Executable Programs and to _______ them.
45 / 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.
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___________ is a piece of code in a cooperating process in which the process may updates shared data (variable, file, database, etc.).
47 / 50
OS helps manages the following except
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The execution of critical sections must NOT be mutually exclusive
49 / 50
The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.
50 / 50
/usr/X11R6 is used by the X Window System.
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