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
Correct Answer :
B. Lazy Release consistency model
Related Questions
Which is the layer of a computer system between the hardware and the user program
Operating system
Operating environment
System environment
None
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
Wiretapping to capture data in a network is an example of ________________
interruption
interception
fabrication
modification
_______________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
In case of good process migration mechanism, _____________ means failure of any node other than the one on which the process is running should not affect the execution of the process.
Robustness
Efficiency
Transparent
Interference
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
Which components appear in the initial windows start up display?
Dialog box
Task bar
Start menu
All of the above
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
_____________typically contains temporary data such as subroutine parameter, return address, and temporary variables.
Current value of Program Counter
Value of the variables
The process stack
A data section
The maximum size of a write file is limited to only
Name of the file
Extension of the file
The amount of memory in your computer
All of above
What is dispatch latency?
The time taken by the dispatcher to stop one process and start another
The whole time taken by all processor
The time taken by the processor to write a file into disk
None of Above
When a peripheral device needs immediate attention from the operating system, it generates a(n)
Page file
Spool
Stack
Interrupt
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
A sequence of instructions telling the computer what to do is called a_____________
program
language
translator
package
Which one is true for unconditional disk formatting?
Transfer system files after format
Do not check/scan surface after format
Destroys every byte of data on a disk by overwriting it with with blank spaces
All of above
In Multics, a process could have up to 256K segments, but each segment was limited to ___________ 64K words.
64K
32K
1024K
112K
A process is _________________
program in main memory
Program in cache memory
program in secondary storage
program in execution
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
To install the new font
Start -> setting -> font
Start -> control panel -> font -> install new font
Start -> setting -> control panel -> font -> install new font
Start -> setting -> control panel -> font
__ is the program run on a computer when the computer boots up
System software
Operating system
System operations
None
A SCSI device can transfer up to----------- of information per second.
40 Mbytes
60 Mbytes
40 Gbytes
60 Gbytes
Which of the following is not essential to shut down your computer?
XCOPY
Edit
Sys
None of the above
Which of the following is/are external commands?
Edit
Label
Sys
All of above
The essential difference between an operating system like Linux and one like Windows is that
Linux is a proprietary whereas Windows is not
Windows can run with an Intel processor, whereas Linux cannot
There are multiple versions of Linux, but only one version of Windows
Any programmer can modify Linux code which is not permitted with Windows
The algorithm should be scalable i.e. _____________.
The system should not enter a state in which nodes spend all their time migrating processes or exchanging control messages without doing any useful work.
The system should be able to handle small and large networked systems.
The algorithm should not be affected by the crash of one or more nodes in the system.
The process assignment decisions should be based on the current load of the system and not on some fixed static policy.
A program to be executed must be in ---------------
main memory
secondary memory
virtual memory
Read only memory
_______refers to the block size of the DSM system, i.e. to the units of sharing and the unit of data transfer across the network when a network block fault occurs.
Granularity
Coherence
Abstraction
Synchronization
Which of the following operating system reads and reacts in actual time?
Quick Response System
Time Sharing System
Batch Processing System
Real Time System
The usual su command syntax is
su-pwd
su-pd
su - userID
Sue- ID
A process may create a new process by executing ___________system call.
init
fork
create
new