The Bankers algorithm is used
to prevent deadlock
to rectify deadlock
to detect deadlock
to slove deadlock
Correct Answer :
A. to prevent deadlock
Related Questions
Which buffering strategy is used for implementing synchronous communication?
Single message buffer
Unbounded - Capacity buffer
Finite-Bound Buffer
All can be used.
The operating system is the most common type of ___ Software
System
Application
Word processing software
Communication
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
You can use print manage window
To cancel the print job
To check status of files in the print queue
To interrupt printing
All of the above
__________ deals with when a modified page should be written out to secondary memory.
Cleaning policy
Fetch policy
Frame locking
None
Because the I/O devices are not synchronized with the CPU, some information must be exchanged between the CPU and the device to ensure that the data is received reliably. This interaction between the CPU and an I/O device is usually referred to as ____________
polling
arbitration
handshaking
interrupting
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
In Windows, start button is used to
Device setting
Run applications
All of above
Turn off the system
In layered approach each layer uses the functions and services of ------------------
kernel
lower-level layers
higher-level layers
all of these
Which of the following is not essential to shut down your computer?
XCOPY
Edit
Sys
None of the above
_________, as a feature of good distributed file system, clients should be able to continue working if a file server crashes. Likewise, data must not be lost and a restarted file server must be able to recover to a valid state.
Scalability
Reliability
Flexibility
Fault tolerance
The _____________ are based on modification of the original message in some manner, or on creation of a false message.
Passive attack
Release of message content attack
Traffic analysis attack
Active attack
______________ 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
____________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
When resources have multiple instances ________ is used for deadlock Avoidance.
Bankers algorithm
Resource Allocation Graph
semaphores
all of these
All of the following are TRUE regarding virtual memory EXCEPT
Any amount of RAM can be allocated to virtual memory
The setting for the amount of hard disk drive space to allocate virtual memory can be manually change
This temporary storage is called the swap file or page file
Virtual memory is the physical space o the hard drive
Which command is used to display the contents of the text file of DOS?
Copy
Copy con
Dir
Type
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
_____________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 primary purpose of an operating system is:
To allow people to use the computer,
To make the most efficient use of the computer hardware
To make computers easier to use
To keep systems programmers employed
______________ selects a process from among the ready processes to execute on the CPU.
CPU Scheduler
Loader
Dispatcher
Compiler
______________approach simplifies debugging and system verification.
Kernel
Layered
Extended
Virtual machine
A page fault occurs when
the page is not found in the memory
the page is found in the memory
the Segmentation starts
the Deadlock happens
IDL stands for_____________________
Integrated Data library
Isolated Data Library
Interface Data Language
Interface Definition Language
Which of the following is suitable after you install new drivers?
Hibernate
Sleep
Restart
Shut Down
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
_______________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 ____________________transparency a file can transparently move to another server.
Location
Migration
Replication
Concurrency
__ is the program run on a computer when the computer boots up
System software
Operating system
System operations
None
An option commonly takes the form of a _____followed by __________characters.
dot, one or more
dash, only one
dash, one or more
dot,only two