CS604-Midterm
1 / 50
/usr/X11R6 is used by the X Window System.
2 / 50
Linux uses ___________ directory to store system configuration files.
3 / 50
Each page is a power of -------- bytes long in paging scheme.
4 / 50
The procedure “The time at which the process finished working MINUS the arrival time of the process MINUS CPU burst for that process” will help calculate the _________.
5 / 50
The scheduling of ______ are done by the operating system.
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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 ________.
7 / 50
In ________ communication the process which wants to communicate with the other process must explicitly name the recipient and the sender.
8 / 50
In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph contains a _____________
9 / 50
When a process opens its first file explicitly it will get descriptor number _________
10 / 50
_________ command to resume the execution of a suspended job in the foreground
11 / 50
Batch programs are usually _________ programs.
12 / 50
Current working directory can be accessed using --------- Command.
13 / 50
______scheduler selects the process from the job pool and put them in main memory.
14 / 50
Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____
15 / 50
The performance of Round Robin algorithm does NOT depends heavily on the size of the time quantum.
16 / 50
IPC provides a mechanism to allow processes to communicate and to synchronize their actions without sharing the same__________
17 / 50
Linux is a version of _______ operating system.
18 / 50
The number of processes completed per unit time is called ___________.
19 / 50
A pathname is the list of directories separated by _________.
20 / 50
A process consists of __________
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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--------------command to resume the execution of a suspended job in the foreground
23 / 50
User Goal of OS is that It easy to use, reliable, safe and fast.
24 / 50
___________ is a solution to the problem of indefinite blockage of low-priority processes.
25 / 50
In ---------addressing, the recipient is not required to name the sender.
26 / 50
An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
27 / 50
The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.
28 / 50
__________ displays information about the top processes.
29 / 50
Banker‟s algorithm is used for ________________
30 / 50
A semaphore that cause Busy-Waiting is termed as .
31 / 50
The -------------- system call suspends the calling process.
32 / 50
copy file1 file2 is an example of ______ OS view.
33 / 50
If your processor does not have two slots empty in Per Process File Descriptor Table, then your _________ system call will fail.
34 / 50
_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
35 / 50
Cache is non-volatile memory.
36 / 50
The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
37 / 50
In Unix/ Linux, by default the standard input file is attached to the ___________
38 / 50
The interval from the time of submission to the time of completion is the ______
39 / 50
You can display all of the signals supported by your system, along with their numbers, by using the -----------command
40 / 50
The Operating system is a layer of software between _________ and ___________.
41 / 50
The process id returned to the child process after successful fork system call execution is _____________.
42 / 50
Bounded Buffer is a buffer of ____________ size
43 / 50
You can use the rm file1 command to __________ file1
44 / 50
The manual pages can be read in Linux using ____ command.
45 / 50
Database, Complier, Video games are examples of ________.
46 / 50
------------ register contains the size of the process
47 / 50
------------has a hierarchical file system structure.
48 / 50
_________buffer places no practical limit on the size of the buffer
49 / 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.
50 / 50
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
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