In _______, if a processor writes the value 100 to the memory location x, this write operation will only change the contents of its local memory and will not affect the contents of the memory of any other processor.
Tightly coupled systems,
Loosely coupled systems
Parallel processing systems
File management system
Correct Answer :
B. Loosely coupled systems
Related Questions
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
IPC stands for _________
Integrated parallel communication
Intermediate process call
Internal program call
Inter process communication
Which of the following is an essential file of a MS-DOS boot disk?
COMMANCOM
START.COM
VER.COM
TREE.COM
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.
When a child dies, it sends a _______________signal to its parent.
SIGCHLD
EDEADLK
WNOHANG
SEDECHLD
_____________ manage the name spaces and binds an object to its location.
Name Server
Name agent
Context
Name resolution
The time taken by the Dispatcher to stop one process and start another running is known as _________________.
Turnaround time
Dispatch Latency
Access time
Response time
A process may create a new process by executing ___________system call.
init
fork
create
new
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 name services of DCE include ________
the Cell Directory Service
the Global Directory Service
the Global Directory Agent
A,B and C
Which components appear in the initial Windows start up display?
Start menu
Dialog boxes
Taskbar
All of above
Choose the correct statement from the following.
In computer terminology, variables are symbols which stand for some value.
An alternative method for executing the commands in the file backup is to make the file as directory.
The restricted shell gives more control to the system administrator and restricts the options of the user.
The decision making done by computer programs is in the form of conditional execution.
______________ is a situation in which two computer programs sharing the same resource are effectively preventing each other from accessing the resource, resulting in both programs ceasing to function.
Semaphore
Deadlock
Mutual Exclusion
No preemption
In layered approach each layer uses the functions and services of ------------------
kernel
lower-level layers
higher-level layers
all of these
Objects location is found by _________________
Broadcasting
Encoding Location of objects within UID
Searching creator node first and then broadcasting
All A, B, C
SRM stands for
Security Resource Manager
Secret Resource Manager
Security Reference Monitor
Security Reference Manual
A shared memory segment first needs to be allocated (create, using the__________ system call.
semget()
msgrcv()
shmget()
mknod()
In___________, the requesting device or devices assert the signal bus_request.
Priority encoded arbitration
Distributed arbitration by self-selection
Priority arbitration
Daisy chain arbitration
Which of the following is/are external commands?
Edit
Label
Sys
All of above
In case of ____________________transparency a file can transparently move to another server.
Location
Migration
Replication
Concurrency
____________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
______________is a mechanism the prevents two or more processes from accessing a shared resource simultaneously.
Livelock
Preemption
Semaphore
either or
Which one of the following statements is true?
The cat command cares which file it receives as input or where the input goes.
Relative pathnames begin with something other than the slash character
UNIX shells never remember their current working directory (CW.
The cat command interprets -X as an option character rather than a pathname.
_______________occurs when two or more execution flows are able to run simultaneously.
Deadlock
Concurrency
race condition
interrupt
Process migration involves__________________
Selection of a process to be migrated
Selection of destination system or node
Actual transfer of the selected process to the destination system or node
All A, B, C
The early ARPAnet is an example of a distributed computing system based on the ________________.
Minicomputer model
Workstation model
Hybrid model
Processor pool model
______________approach simplifies debugging and system verification.
Kernel
Layered
Extended
Virtual machine
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
Windows 2000 supports -------------- type of file system
NTFS
EFS
FEFS
EFFS
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