A shared memory segment first needs to be allocated (create, using the__________ system call.
semget()
msgrcv()
shmget()
mknod()
Correct Answer :
C. shmget()
Related Questions
Windows 2000 supports -------------- type of file system
NTFS
EFS
FEFS
EFFS
Transparent RPC mechanism refers to :
Existance of multuple computer visible and a provide a single system image to its users.
It runs the program transparently.
It is a technique to shift the program to other computer.
It is technique in which local procedures and remote procedures are indistinguishable to programmers.
The command used to create logical drive for specific location of disk
Format
Fdisk
Subst
All of the above
Initialization of I/O devices is part of the_________.
CPU
MSDOS
UNIX kernel
None of the above
The ___ contains commands associated with the My Computer window
Start menu
Standard menu
System menu
None of the above
When copying more than one file at a time, you must specify an existing directory as the ___________
Source
Sub directory
Destination.
Path name
Most accurate global time is based on oscillations of the ______________
Cesium-130 atom
Cesium-133 atom
Cesium-136 atom
Cesium-139 atom
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
Which of the following operating system reads and reacts in actual time?
Quick Response System
Time Sharing System
Batch Processing System
Real Time System
Objects location is found by _________________
Broadcasting
Encoding Location of objects within UID
Searching creator node first and then broadcasting
All A, B, C
A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is
Menu bar
Tool bar
Status bar
Task bar
In___________, the requesting device or devices assert the signal bus_request.
Priority encoded arbitration
Distributed arbitration by self-selection
Priority arbitration
Daisy chain arbitration
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
____________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
In case of ____________________transparency a file can transparently move to another server.
Location
Migration
Replication
Concurrency
__ is the program run on a computer when the computer boots up
System software
Operating system
System operations
None
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.
Which of the following is drop down list?
Combo box
List
Text area
None
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
______________ selects a process from among the ready processes to execute on the CPU.
CPU Scheduler
Loader
Dispatcher
Compiler
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
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
Once text has been cut to the clipboard, you can____hat text into another document
Copy
Paste
Transfer
None of the above
DSM stands for______________
Direct shared memory
Direct system memory
Distributed shared memory
Distributed system memory
Which components appear in the initial Windows start up display?
Start menu
Dialog boxes
Taskbar
All of above
Which components appear in the initial windows start up display?
Dialog box
Task bar
Start menu
All of the above
A process control block contains varies attributes required by _____________ to control a process.
RAM
virtual memory
BIOS
Operating System
The two sub systems of user mode layer of windows 2000 are _________ and __________
excel, executive
environment, integral
orbit , kernel
Kernel , executive
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
____ runs on a computer hardware and serves as a platform for other system to run on
System software
Operating system
Application system
All of above