______________ 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
Correct Answer :
A. Race condition
Related Questions
______________is a mechanism the prevents two or more processes from accessing a shared resource simultaneously.
Livelock
Preemption
Semaphore
either or
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
Objects location is found by _________________
Broadcasting
Encoding Location of objects within UID
Searching creator node first and then broadcasting
All A, B, C
BSD stands for_____________________
Basic Software Division
Berkeley Software Distribution
British Software Distribution
Berkeley Software data
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
Having data belonging to two independent processes in the same page is called____________.
Buffering
Blocking
Message-passing
False sharing
Recently deleted files are stored in
Taskbar
Desktop
My computer
Recycle bin
_________, 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
Which components appear in the initial Windows start up display?
Start menu
Dialog boxes
Taskbar
All of above
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
______________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
In the case of____________ , changes to an open file are only locally visible.
session semantics
immutable files
atomic transactions
None of the 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
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
Load balancing algorithms in ______________ class use the processor and process characteristics to allocate processes to nodes.
Static
Dynamic
Deterministic
Probabilistic
____________ file system allows sharing in multiple different locations grouped under one folder.
Direct
distributed
sequential
parallel
A small part of taskbar that has icons of background running applications is
Start button
Quick launch
Task bar
System tray
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.
PVM stands for
Parallel Virtual Machine
Parallel Virtual Message
Process Virtual Machine
Process Virtual Monitor
When a child dies, it sends a _______________signal to its parent.
SIGCHLD
EDEADLK
WNOHANG
SEDECHLD
The early ARPAnet is an example of a distributed computing system based on the ________________.
Minicomputer model
Workstation model
Hybrid model
Processor pool model
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
IDL stands for_____________________
Integrated Data library
Isolated Data Library
Interface Data Language
Interface Definition Language
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
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 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
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
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
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 ____________ location policies a random node is polled to check its state and the task is transferred if it will not be overloaded; polling is continued until a suitable node is found.
Threshold
Shortest
Bidding
Pairing