Initialization of I/O devices is part of the_________.
CPU
MSDOS
UNIX kernel
None of the above
Correct Answer :
C. UNIX kernel
Related Questions
Which of the following is/are external commands?
Edit
Label
Sys
All of above
______________ selects a process from among the ready processes to execute on the CPU.
CPU Scheduler
Loader
Dispatcher
Compiler
Objects location is found by _________________
Broadcasting
Encoding Location of objects within UID
Searching creator node first and then broadcasting
All A, B, C
An unauthorized party inserts counterfeit objects into the system is called_________________
interruption
interception
fabrication
modification
Which one is true for unconditional disk formatting?
Transfer system files after format
Do not check/scan surface after format
Destroys every byte of data on a disk by overwriting it with with blank spaces
All of above
_____________ manage the name spaces and binds an object to its location.
Name Server
Name agent
Context
Name resolution
When a child dies, it sends a _______________signal to its parent.
SIGCHLD
EDEADLK
WNOHANG
SEDECHLD
Which is the layer of a computer system between the hardware and the user program
Operating system
Operating environment
System environment
None
Recently deleted files are stored in
Taskbar
Desktop
My computer
Recycle bin
Bootstrapping is also known as ______
cold-hot boot
hot boot
hot strap
cold boot
Creation of a semaphore set is done using the _______system call.
semget()
semsget()
mknod()
sempget()
DSM stands for______________
Direct shared memory
Direct system memory
Distributed shared memory
Distributed system memory
RPN stands for
Reverse Polish Notation
Record Police Notation
Record Polish Notation
Reverse Police Negation
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 is _________________
program in main memory
Program in cache memory
program in secondary storage
program in execution
The name services of DCE include ________
the Cell Directory Service
the Global Directory Service
the Global Directory Agent
A,B and C
Most accurate global time is based on oscillations of the ______________
Cesium-130 atom
Cesium-133 atom
Cesium-136 atom
Cesium-139 atom
______________ 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
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
______________ 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
When copying more than one file at a time, you must specify an existing directory as the ___________
Source
Sub directory
Destination.
Path name
A shared memory segment first needs to be allocated (create, using the__________ system call.
semget()
msgrcv()
shmget()
mknod()
IPC stands for _________
Integrated parallel communication
Intermediate process call
Internal program call
Inter process communication
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
Which of the following is not essential to shut down your computer?
XCOPY
Edit
Sys
None of the above
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
SRM stands for
Security Resource Manager
Secret Resource Manager
Security Reference Monitor
Security Reference Manual
In case of good process migration mechanism, _____________ means failure of any node other than the one on which the process is running should not affect the execution of the process.
Robustness
Efficiency
Transparent
Interference
A SCSI device can transfer up to----------- of information per second.
40 Mbytes
60 Mbytes
40 Gbytes
60 Gbytes
A solution to starvation is _____________.
segmentation
Aging
Paging
virtual memory