In the case of____________ , changes to an open file are only locally visible.
session semantics
immutable files
atomic transactions
None of the above.
Correct Answer :
A. session semantics
Related Questions
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
Recently deleted files are stored in
Taskbar
Desktop
My computer
Recycle bin
An operating system version designed for use with a media center PC is Microsoft Windows XP
Media center edition
Home edition
Tablet PC edition
None of above
Bootstrapping is also known as ______
cold-hot boot
hot boot
hot strap
cold boot
_______refers to the block size of the DSM system, i.e. to the units of sharing and the unit of data transfer across the network when a network block fault occurs.
Granularity
Coherence
Abstraction
Synchronization
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
Which is the layer of a computer system between the hardware and the user program
Operating system
Operating environment
System environment
None
______________ are popular way to improve application through parallelism.
Processes
Threads
Context switching
none of these
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 find command is different from most UNIX commands in that each of the argument expressions following the beginning path name is considered a _____________
action expression
Boolean expression.
Boolean constant
Search qualifiers
Whenever you move a directory from one location to another
The directory is moved the source file is not moved
All the subdirectory inside that directory are moved
All files inside the directory are moved
Both b and c
One of the wonderful things about UNIX is its ___________names.
Unlimited path
Unlimited directory
Limited path
Limited file
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
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
SRM stands for
Security Resource Manager
Secret Resource Manager
Security Reference Monitor
Security Reference Manual
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
Wiretapping to capture data in a network is an example of ________________
interruption
interception
fabrication
modification
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.
___________variable is not automatically created on all UNIX systems but is used by so many programs that it is considered a standard environment variable.
IFS
TERM
PATH
A process is ____________________
A program in Execution.
An asynchronous activity.
The 'dispatchable' unit.
All A, B, C
______________ 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
RPN stands for
Reverse Polish Notation
Record Police Notation
Record Polish Notation
Reverse Police Negation
A standard UNIX system includes a set of ___________ and a set of ___________.
Commands ,files
Libraries, Applications
Libraries, files
Files, Applications
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
In case of modification an unauthorized party not only gains access to but tampers with an asset. This is an attack on ____________________.
availability
confidentiality
integrity
authenticity
The ___ contains commands associated with the My Computer window
Start menu
Standard menu
System menu
None of the above
A program to be executed must be in ---------------
main memory
secondary memory
virtual memory
Read only memory
You can move a window to a different position on your screen by dragging it by its
Tail
Move handle
Status bar
Title bar
A process is already split into pieces, called________________.
Tasks
Program
Processors
Routines
The Bankers algorithm is used
to prevent deadlock
to rectify deadlock
to detect deadlock
to slove deadlock