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.
Correct Answer :
C. The restricted shell gives more control to the system administrator and restricts the options of the user.
Related Questions
Wiretapping to capture data in a network is an example of ________________
interruption
interception
fabrication
modification
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
The maximum size of a write file is limited to only
Name of the file
Extension of the file
The amount of memory in your computer
All of above
The Network Time Protocol is similar to _______________algorithm in that synchronization is also performed using time servers and an attempt is made to correct for communication latencies.
Banker's
Divide and conquer's
Cristians
Xdelta's
______________is responsible for allocating primary memory to processes and for assisting the programmer in loading and storing the contents of the primary memory.
Operating system
Memory manager
Database administrator
RAM
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
IDL stands for_____________________
Integrated Data library
Isolated Data Library
Interface Data Language
Interface Definition Language
The early ARPAnet is an example of a distributed computing system based on the ________________.
Minicomputer model
Workstation model
Hybrid model
Processor pool model
A process is ____________________
A program in Execution.
An asynchronous activity.
The 'dispatchable' unit.
All A, B, C
When resources have multiple instances ________ is used for deadlock Avoidance.
Bankers algorithm
Resource Allocation Graph
semaphores
all of these
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.
_____________ manage the name spaces and binds an object to its location.
Name Server
Name agent
Context
Name resolution
Load balancing algorithms in ______________ class use the processor and process characteristics to allocate processes to nodes.
Static
Dynamic
Deterministic
Probabilistic
An orphan process is automatically inherited by the _____and becomes a _______ of this process.
'init' process, father
'init' process, child
'initial process, father
'it' process, child
Which of the following is an essential file of a MS-DOS boot disk?
COMMANCOM
START.COM
VER.COM
TREE.COM
In the case of____________ , changes to an open file are only locally visible.
session semantics
immutable files
atomic transactions
None of the above.
Which buffering strategy is used for implementing synchronous communication?
Single message buffer
Unbounded - Capacity buffer
Finite-Bound Buffer
All can be used.
__________ deals with when a modified page should be written out to secondary memory.
Cleaning policy
Fetch policy
Frame locking
None
IPC stands for _________
Integrated parallel communication
Intermediate process call
Internal program call
Inter process communication
The _________takes any characters from standard input, and then echoes them to standard output.
kill character
cat command
cate command
control command
What is Dr. Watson?
IT Expert
Diagnosis tool
Surgeon
None
A _______________in a distributed system is a string of bits or characters that is used to refer to an entity.
name
attribute
identifiers
addresses
Ext2 is the standard file system of _______ and uses a block size of_____bytes
MS DOS,8K
Linux ,1024
Linux, 512
Unix, 512
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
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
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
A SCSI device can transfer up to----------- of information per second.
40 Mbytes
60 Mbytes
40 Gbytes
60 Gbytes
The operating system is the most common type of ___ Software
System
Application
Word processing software
Communication
____ 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
When a peripheral device needs immediate attention from the operating system, it generates a(n)
Page file
Spool
Stack
Interrupt