Operating systems concept MCQ Test 41

By | October 3, 2017

UGC-NET/GATE Multiple Choice Questions for Operating System.

Question 1
Error which can be handle by operating system is
A
power failure
B
lack of paper in printer
C
connection faliure in a network
D
all of these
Question 2
Each entry in a segment table has a:
A
segment base
B
segment peak
C
segment value
D
none of the mentioned
Question 3
Which of the following statements in regard to directories is false?
A
Directories can exist inside directories
B
The root directory is always at the highest level
C
Directories with files can be deleted
D
Directories cannot be renamed
Question 4
A non blocking system call.....
A
halts the execution of the application for an extended time
B
does not halt the execution of the application
C
does not block the interrupts
D
none of the mentioned
Question 5
The advantage(s) inherent to using high level languages is (are)
A
Fewer people, less management and shorter transition in learning time
B
Improved debugging capability, and superior documentation
C
A greater degree of machine independence
D
All of the above
Question 6
Network operating system which has long been the OS of choice for the most critical servers of the internet, such as those that maintain the lists of internet domain names is
A
DOS
B
UNIX
C
Windows NT
D
Mac OS
Question 7
Your system response time is very poor. What may be the reason?
A
Process is busy
B
I/O rates may be high
C
High paging rates
D
All of the above
Question 8
The data-in register of I/O port is
A
Read by host to get input
B
Read by controller to get input
C
Written by host to send output
D
Written by host to start a command
Question 9
The disadvantage of moving all process to one end of memory and all holes to the other direction, producing one large hole of available memory is:
A
the cost incurred
B
the memory used
C
the CPU used
D
all of the mentioned
Question 10
According to the ring algorithm, links between processes are
A
bidirectional
B
unidirectional
C
both bidirectional and unidirectional
D
none of the mentioned
Question 11
The situation when two or more programs hung up is referred as
A
Multiprogramming
B
Failed Mutual Exclusion
C
Deadlocks
D
Improper Synchronization
Question 12
Which is not a port scan type?
A
TCP scanning
B
SYN scanning
C
UDP scanning
D
SYSTEM Scanning
Question 13
GNOME is a project that was developed by
A
windows
B
GNU
C
UNIX
D
Linux
Question 14
The following applications may appear on system tray except
A
System Clock
B
Volume Control
C
Network Connection
D
MS Office Suite
Question 15
I/O hardware contains
A
Bus
B
Controller
C
I/O port and its registers
D
All of the mentioned
Question 16
Solaris 10 is the most successful commercial
A
Linux Implementation
B
UNIX Implementation
C
Window Vista Implementation
D
Microsoft Windows Implementation
There are 16 questions to complete.

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