_______________refers to a strategy where whenever a resource is requested, it is only granted if it cannot result in deadlock.
Deadlock Prevention
Livelock
Deadlock avoidance
none of these
Correct Answer :
C. Deadlock avoidance
Related Questions
__________ deals with when a modified page should be written out to secondary memory.
Cleaning policy
Fetch policy
Frame locking
None
Whenever you move a directory from one location to another
The directory is moved the source file is not moved
All the subdirectory inside that directory are moved
All files inside the directory are moved
Both b and c
RPN stands for
Reverse Polish Notation
Record Police Notation
Record Polish Notation
Reverse Police Negation
Which of the following does not occur during the power-on-self-test (POST)?
The scandisk utility begins to run
The video card and video memory are tested
The BIOS identification process occurs
Memory chip are checked to ensure that they are working properly
In_________________ model, when a process does a release access, the contents of all the modifications are not immediately sent to other nodes but they are sent only on demand.
Release Consistency Model
Lazy Release consistency model
Weak Consistency Model
Processor Consistency Model
The early ARPAnet is an example of a distributed computing system based on the ________________.
Minicomputer model
Workstation model
Hybrid model
Processor pool model
A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is
Menu bar
Tool bar
Status bar
Task bar
In ________________________ each node periodically sends a message to the time server.
Passive Time Server Centralized Algorithm
Active Time Server Centralized Algorithm
Global Averaging Distributed Algorithms
Localized Averaging Distributed Algorithms
Which of the following operating system reads and reacts in actual time?
Quick Response System
Time Sharing System
Batch Processing System
Real Time System
______________is a mechanism the prevents two or more processes from accessing a shared resource simultaneously.
Livelock
Preemption
Semaphore
either or
An unauthorized party inserts counterfeit objects into the system is called_________________
interruption
interception
fabrication
modification
The Network Time Protocol is similar to _______________algorithm in that synchronization is also performed using time servers and an attempt is made to correct for communication latencies.
Banker's
Divide and conquer's
Cristians
Xdelta's
The two sub systems of user mode layer of windows 2000 are _________ and __________
excel, executive
environment, integral
orbit , kernel
Kernel , executive
One of the wonderful things about UNIX is its ___________names.
Unlimited path
Unlimited directory
Limited path
Limited file
In Windows, start button is used to
Device setting
Run applications
All of above
Turn off the system
Transparent RPC mechanism refers to :
Existance of multuple computer visible and a provide a single system image to its users.
It runs the program transparently.
It is a technique to shift the program to other computer.
It is technique in which local procedures and remote procedures are indistinguishable to programmers.
A _____________is a collection of processors that do not share memory, peripheral devices,or a clock.
Computer system
distributed system
network
None of the above
______________ occurs when multiple processes or threads read and write data items so that the final result depends on the order of execution of instructions in the multiple processes.
Race condition
Mutual exclusion
Exception
Interrupt
BSD stands for_____________________
Basic Software Division
Berkeley Software Distribution
British Software Distribution
Berkeley Software data
An operating system version designed for use with a media center PC is Microsoft Windows XP
Media center edition
Home edition
Tablet PC edition
None of above
The command used to create logical drive for specific location of disk
Format
Fdisk
Subst
All of the above
Creation of a semaphore set is done using the _______system call.
semget()
semsget()
mknod()
sempget()
______________is responsible for allocating primary memory to processes and for assisting the programmer in loading and storing the contents of the primary memory.
Operating system
Memory manager
Database administrator
RAM
Find out the characteristics of System-oriented names:
They are large integers or bit strings.
They are of the same size
Generally shorter than human-oriented names and are easy for manipulations like hashing, sorting and so on.
All A, B, C
______________ refers to the technology in which some space in hard disk is used as an extension of main memory.
Cache memory
Paging
Virtual memory
Associative memory
In case of modification an unauthorized party not only gains access to but tampers with an asset. This is an attack on ____________________.
availability
confidentiality
integrity
authenticity
The primary purpose of an operating system is a …
To allow people to use the computer
To make the most efficient use of computer hardware
To make computer easier to use
To keep system programmer employed
____________approach can place the data directly into the memory or take the data directly from the memory without direct intervention from the processor.
DMA
Daisy chain arbitration
polling
none of these
The find command is different from most UNIX commands in that each of the argument expressions following the beginning path name is considered a _____________
action expression
Boolean expression.
Boolean constant
Search qualifiers
Objects location is found by _________________
Broadcasting
Encoding Location of objects within UID
Searching creator node first and then broadcasting
All A, B, C