CS604-Midterm
1 / 50
In Linux directory structure, there is ___________ root directory.
2 / 50
Operating System provides services such as Managing Primary and Secondary Storage, Processes and Allowing user to manage his/her files and directories.
3 / 50
Taking the CPU from one process and giving the CPU to another process is termed as
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DOS is single user operating system.
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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.”
6 / 50
Which of the Following is not an Operating System.
7 / 50
The manual pages can be read in Linux using ____ command.
8 / 50
In ________ communication the process which wants to communicate with the other process must explicitly name the recipient and the sender.
9 / 50
Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.
11 / 50
If a system is not in a safe state, there can be No deadlocks.
12 / 50
Banker‟s algorithm is used for ________________
13 / 50
What do we name to an address that is loaded into the memory-address register of the memory?
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If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.
15 / 50
You can use the rm file1 command to __________ file1
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The process of switching from one process to another is called ---------------.
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Kernel is responsible for scheduling the user level threads.
18 / 50
__________ directory includes essential system boot files including the kernel image.
19 / 50
Which of the following is correct definition for wait operation?
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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.
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Current working directory can be accessed using --------- Command.
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
23 / 50
Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
24 / 50
_________ command to resume the execution of a suspended job in the foreground
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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.
26 / 50
Which register holds the smallest legal physical memory address for a process?
27 / 50
In Layered Approach of OS, the Layer highest Layer is User Interface layer.
28 / 50
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
29 / 50
Which of the following is NOT a Hardware Resource.
30 / 50
A dashed line is used to represent a _________ in Resource Allocation Graph.
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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.
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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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Command-line interpreter is also called __________ in some operating systems.
34 / 50
The execution of critical sections must NOT be mutually exclusive
35 / 50
If the fork system call fails, it returns
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The critical section problem can be solved by the following except
37 / 50
OS helps manages the following except
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
------------ register contains the size of the process
40 / 50
A system call________
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------------has a hierarchical file system structure.
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Mkfifo() is a _______.
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____ is a virtual directory in Linux and Unix.
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A semaphore that cause Busy-Waiting is termed as .
45 / 50
In Unix/ Linux, by default the standard input file is attached to the ___________
46 / 50
The major advantage of multi-programming system is
47 / 50
In indirect inter process communication, a sender ________ mention the name of the recipient.
48 / 50
The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
49 / 50
In Layered approach of OS, Lowest Layer is known as ________.
50 / 50
Each page is a power of -------- bytes long in paging scheme.
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