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
Correct Answer :
C. Destroys every byte of data on a disk by overwriting it with with blank spaces
Related Questions
An orphan process is automatically inherited by the _____and becomes a _______ of this process.
'init' process, father
'init' process, child
'initial process, father
'it' process, child
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
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
_______________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
DSM stands for______________
Direct shared memory
Direct system memory
Distributed shared memory
Distributed system memory
__ is the program run on a computer when the computer boots up
System software
Operating system
System operations
None
What do you mean by 0-reliable level in multicast communication?
Multiple responses is expected from any receivers.
No response is expected from any receivers.
Multiple responses is expected from multiple receivers.
A multicast message is received by all the members of the group or none.
A SCSI device can transfer up to----------- of information per second.
40 Mbytes
60 Mbytes
40 Gbytes
60 Gbytes
BSD stands for_____________________
Basic Software Division
Berkeley Software Distribution
British Software Distribution
Berkeley Software data
Which components appear in the initial windows start up display?
Dialog box
Task bar
Start menu
All of the above
An unauthorized party inserts counterfeit objects into the system is called_________________
interruption
interception
fabrication
modification
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
In___________, the requesting device or devices assert the signal bus_request.
Priority encoded arbitration
Distributed arbitration by self-selection
Priority arbitration
Daisy chain arbitration
Pick the wrong statement from the following.
UNIX systems originally came with a command interpreter called the Bourne Shell.
The cat command takes any characters from standard input, and then echoes them to standard output.
A pipe is a means of taking the output of one command and directing it as another command.
The manual entry is called a man page, even though it is often more than one page long.
The name services of DCE include ________
the Cell Directory Service
the Global Directory Service
the Global Directory Agent
A,B and C
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
The controller can access memory in memory cycles which are not used by the particular bank of memory into which the DMA controller is writing data. This approach, called _________
interrupting
cycle stealing
swapping
paging
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 operating system is the most common type of ___ Software
System
Application
Word processing software
Communication
In case of ____________________transparency a file can transparently move to another server.
Location
Migration
Replication
Concurrency
A process may create a new process by executing ___________system call.
init
fork
create
new
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
__________ deals with when a modified page should be written out to secondary memory.
Cleaning policy
Fetch policy
Frame locking
None
In Windows, start button is used to
Device setting
Run applications
All of above
Turn off the system
What is Dr. Watson?
IT Expert
Diagnosis tool
Surgeon
None
When resources have multiple instances ________ is used for deadlock Avoidance.
Bankers algorithm
Resource Allocation Graph
semaphores
all of these
The _________takes any characters from standard input, and then echoes them to standard output.
kill character
cat command
cate command
control command
The ___ contains commands associated with the My Computer window
Start menu
Standard menu
System menu
None of the above
In case of ________________the server automatically copies files to other servers after the files are written.
Explicit replication
Implicit replication
Lazy file replication
Group file replication
Which buffering strategy is used for implementing synchronous communication?
Single message buffer
Unbounded - Capacity buffer
Finite-Bound Buffer
All can be used.