A sequence of instructions telling the computer what to do is called a_____________
program
language
translator
package
Correct Answer :
A. program
Related Questions
A process may create a new process by executing ___________system call.
init
fork
create
new
One of the wonderful things about UNIX is its ___________names.
Unlimited path
Unlimited directory
Limited path
Limited file
______________ 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
Most accurate global time is based on oscillations of the ______________
Cesium-130 atom
Cesium-133 atom
Cesium-136 atom
Cesium-139 atom
A _______________in a distributed system is a string of bits or characters that is used to refer to an entity.
name
attribute
identifiers
addresses
____ 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
Which of the following is an essential file of a MS-DOS boot disk?
COMMANCOM
START.COM
VER.COM
TREE.COM
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
A SCSI device can transfer up to----------- of information per second.
40 Mbytes
60 Mbytes
40 Gbytes
60 Gbytes
____________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 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
The essential difference between an operating system like Linux and one like Windows is that
Linux is a proprietary whereas Windows is not
Windows can run with an Intel processor, whereas Linux cannot
There are multiple versions of Linux, but only one version of Windows
Any programmer can modify Linux code which is not permitted with Windows
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
_____________ manage the name spaces and binds an object to its location.
Name Server
Name agent
Context
Name resolution
Fsck conducts a check in _____ phases
One
Two
Five
Eight
_____________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
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
DSM stands for______________
Direct shared memory
Direct system memory
Distributed shared memory
Distributed system memory
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
Which buffering strategy is used for implementing synchronous communication?
Single message buffer
Unbounded - Capacity buffer
Finite-Bound Buffer
All can be used.
____________ file system allows sharing in multiple different locations grouped under one folder.
Direct
distributed
sequential
parallel
______________ 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
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
Objects location is found by _________________
Broadcasting
Encoding Location of objects within UID
Searching creator node first and then broadcasting
All A, B, C
Which is the layer of a computer system between the hardware and the user program
Operating system
Operating environment
System environment
None
When a child dies, it sends a _______________signal to its parent.
SIGCHLD
EDEADLK
WNOHANG
SEDECHLD
When you start up the computer the boot up storage at which the BIOS versions manufacturer and data are displayed on the monitor is called
Bootstrap
System configuration
Power on self test (POST)
Kernel loading
Creation of a semaphore set is done using the _______system call.
semget()
semsget()
mknod()
sempget()
_______________occurs when two or more execution flows are able to run simultaneously.
Deadlock
Concurrency
race condition
interrupt
The early ARPAnet is an example of a distributed computing system based on the ________________.
Minicomputer model
Workstation model
Hybrid model
Processor pool model