Operating systems concept MCQ Test 26

By | October 3, 2017

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

Question 1
Those processes should be aborted on occurrence of a deadlock, the termination of which:
A
is more time consuming
B
incurs minimum cost
C
safety is not hampered
D
all of the mentioned
Question 2
User data are stored in
A
cache
B
Secondary storage
C
indexes
D
Main memory
Question 3
The problem of thrashing is affected significantly by:
A
program structure
B
program size
C
primary-storage size
D
all of the above
Question 4
In Linux character device manager calls used to manage
A
User
B
Devices
C
Memory
D
Resources
Question 5
Two ways to arrange multiple windows on the desktop are
A
drag and drop
B
point and click
C
cascade and tile
D
minimize and maximize
Question 6
If each access to a file is controlled by a password, then the disadvantage is that:
A
user will need to remember a lot of passwords
B
it is not reliable
C
it is not efficient
D
all of the mentioned
Question 7
The two methods how LRU page replacement policy can be implemented in hardware are:
A
Counters
B
RAM & Registers
C
Stack & Counters
D
Registers
Question 8
Peter uses a Microsoft Windows 95 computer. What should he do to be able to administer domain user accounts from his computer?
A
install User Manager for Domains on his computer
B
install the Client-based Network Administration Tools on his computer
C
install Windows NT Server on his computer
D
install Windows NT Workstation on his computer
Question 9
Processor wait ratio is given by..........
A
w=b/e+b
B
w=b/e-b
C
#=b/e-b
D
#=b/e+b
Question 10
What type of addressing format is used by Class A network.
A
Net.Net.Net.Node
B
Net.Net.Node.Node
C
Net.Node.Net.Node
D
Net.Node.Node.Node
Question 11
Which is the system call that is responsible for sending of SYN packets?
A
Bind
B
Socket
C
Connect
D
Listen
Question 12
A memory buffer used to accommodate a speed differential is called
A
stack pointer
B
cache
C
accumulator
D
disk buffer
Question 13
When a process begins execution with no pages in memory:
A
process execution becomes impossible
B
a page fault occurs for every page brought into memory
C
process causes system crash
D
none of the mentioned
Question 14
The quality of service requirements are guaranteed in:
A
Best effort service
B
Soft QoS
C
Worst effort service
D
Hard QoS
Question 15
In.......... allocation method for disk block allocation in a file system, insertion and deletion of blocks in a file is easy.
A
Index
B
Linked
C
Contiguous
D
Bit Map
Question 16
To resolve the problem of data representation on different systems RPCs define..........
A
machine dependent representation of data
B
machine representation of data
C
machine-independent representation of data
D
None of these
There are 16 questions to complete.

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