The problem with logical dumping is ________________
very costly
very slow
human errors
all of these
Correct Answer :
B. very slow
Related Questions
A process is ____________________
A program in Execution.
An asynchronous activity.
The 'dispatchable' unit.
All A, B, C
The problem with logical dumping is ________________
very costly
very slow
human errors
all of these
______________ 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
The date and time displays on
Taskbar
Launch pad
Status bar
System tray
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
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
In the case of____________ , changes to an open file are only locally visible.
session semantics
immutable files
atomic transactions
None of the above.
Which of the following is an essential file of a MS-DOS boot disk?
COMMANCOM
START.COM
VER.COM
TREE.COM
IPC stands for _________
Integrated parallel communication
Intermediate process call
Internal program call
Inter process communication
When resources have multiple instances ________ is used for deadlock Avoidance.
Bankers algorithm
Resource Allocation Graph
semaphores
all of these
Taskbar is used for
Navigation program
Start a program
Switching between program
All of above
Having data belonging to two independent processes in the same page is called____________.
Buffering
Blocking
Message-passing
False sharing
A process is already split into pieces, called________________.
Tasks
Program
Processors
Routines
In case of ____________________transparency a file can transparently move to another server.
Location
Migration
Replication
Concurrency
A shared memory segment first needs to be allocated (create, using the__________ system call.
semget()
msgrcv()
shmget()
mknod()
In Windows, start button is used to
Device setting
Run applications
All of above
Turn off the system
_________, 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
A sequence of instructions telling the computer what to do is called a_____________
program
language
translator
package
____________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
A two-byte integer called ____________is interpreted as an index into an array of inodes in a fixed, known location on disk.
an inode
an inumber
an imap
an imark
When a child dies, it sends a _______________signal to its parent.
SIGCHLD
EDEADLK
WNOHANG
SEDECHLD
____________ file system allows sharing in multiple different locations grouped under one folder.
Direct
distributed
sequential
parallel
Which command is used to display the contents of the text file of DOS?
Copy
Copy con
Dir
Type
Which of the following is/are external commands?
Edit
Label
Sys
All of above
______________ 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
SRM stands for
Security Resource Manager
Secret Resource Manager
Security Reference Monitor
Security Reference Manual
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.
A solution to starvation is _____________.
segmentation
Aging
Paging
virtual memory
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
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