Which of the following operating system reads and reacts in actual time?
Quick Response System
Time Sharing System
Batch Processing System
Real Time System
Correct Answer :
D. Real Time System
Related Questions
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
When a peripheral device needs immediate attention from the operating system, it generates a(n)
Page file
Spool
Stack
Interrupt
IDL stands for_____________________
Integrated Data library
Isolated Data Library
Interface Data Language
Interface Definition Language
Creation of a semaphore set is done using the _______system call.
semget()
semsget()
mknod()
sempget()
Which of the following is not essential to shut down your computer?
XCOPY
Edit
Sys
None of the above
A shared memory segment first needs to be allocated (create, using the__________ system call.
semget()
msgrcv()
shmget()
mknod()
Bootstrapping is also known as ______
cold-hot boot
hot boot
hot strap
cold boot
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
Fsck conducts a check in _____ phases
One
Two
Five
Eight
The date and time displays on
Taskbar
Launch pad
Status bar
System tray
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
__ is the program run on a computer when the computer boots up
System software
Operating system
System operations
None
The _________takes any characters from standard input, and then echoes them to standard output.
kill character
cat command
cate command
control command
The Bankers algorithm is used
to prevent deadlock
to rectify deadlock
to detect deadlock
to slove deadlock
A process is already split into pieces, called________________.
Tasks
Program
Processors
Routines
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
Ext2 is the standard file system of _______ and uses a block size of_____bytes
MS DOS,8K
Linux ,1024
Linux, 512
Unix, 512
In case of ____________________transparency a file can transparently move to another server.
Location
Migration
Replication
Concurrency
Which of the following is suitable after you install new drivers?
Hibernate
Sleep
Restart
Shut Down
What do you mean by 0-reliable level in multicast communication?
Multiple responses is expected from any receivers.
No response is expected from any receivers.
Multiple responses is expected from multiple receivers.
A multicast message is received by all the members of the group or none.
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
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.
____________ file system allows sharing in multiple different locations grouped under one folder.
Direct
distributed
sequential
parallel
The two sub systems of user mode layer of windows 2000 are _________ and __________
excel, executive
environment, integral
orbit , kernel
Kernel , executive
A process control block contains varies attributes required by _____________ to control a process.
RAM
virtual memory
BIOS
Operating System
Once text has been cut to the clipboard, you can____hat text into another document
Copy
Paste
Transfer
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
A _______________in a distributed system is a string of bits or characters that is used to refer to an entity.
name
attribute
identifiers
addresses
___________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 _________________
program in main memory
Program in cache memory
program in secondary storage
program in execution