PVM stands for
Parallel Virtual Machine
Parallel Virtual Message
Process Virtual Machine
Process Virtual Monitor
Correct Answer :
A. Parallel Virtual Machine
Related Questions
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
Windows 2000 supports -------------- type of file system
NTFS
EFS
FEFS
EFFS
The usual su command syntax is
su-pwd
su-pd
su - userID
Sue- ID
You can move a window to a different position on your screen by dragging it by its
Tail
Move handle
Status bar
Title bar
Which of the following operating system reads and reacts in actual time?
Quick Response System
Time Sharing System
Batch Processing System
Real Time System
A _______________in a distributed system is a string of bits or characters that is used to refer to an entity.
name
attribute
identifiers
addresses
Which of the following is an essential file of a MS-DOS boot disk?
COMMANCOM
START.COM
VER.COM
TREE.COM
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.
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
A process is ____________________
A program in Execution.
An asynchronous activity.
The 'dispatchable' unit.
All A, B, C
A standard UNIX system includes a set of ___________ and a set of ___________.
Commands ,files
Libraries, Applications
Libraries, files
Files, Applications
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
Load balancing algorithms in ______________ class use the processor and process characteristics to allocate processes to nodes.
Static
Dynamic
Deterministic
Probabilistic
______________ are popular way to improve application through parallelism.
Processes
Threads
Context switching
none of these
_____________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
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 _______, 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
What is the function of radio button?
To select multiple option
To select single option
To select all option
All of above
The algorithm should be scalable i.e. _____________.
The system should not enter a state in which nodes spend all their time migrating processes or exchanging control messages without doing any useful work.
The system should be able to handle small and large networked systems.
The algorithm should not be affected by the crash of one or more nodes in the system.
The process assignment decisions should be based on the current load of the system and not on some fixed static policy.
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
Initialization of I/O devices is part of the_________.
CPU
MSDOS
UNIX kernel
None of the above
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
The primary purpose of an operating system is a …
To allow people to use the computer
To make the most efficient use of computer hardware
To make computer easier to use
To keep system programmer employed
A SCSI device can transfer up to----------- of information per second.
40 Mbytes
60 Mbytes
40 Gbytes
60 Gbytes
In the case of____________ , changes to an open file are only locally visible.
session semantics
immutable files
atomic transactions
None of the above.
In MS-DOS, the interfaces and levels of functionality are _______________
not well separated.
well separated
independent
dependent
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
A process control block contains varies attributes required by _____________ to control a process.
RAM
virtual memory
BIOS
Operating System
Which buffering strategy is used for implementing synchronous communication?
Single message buffer
Unbounded - Capacity buffer
Finite-Bound Buffer
All can be used.
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