Operating systems concept MCQ Test 17

By | October 3, 2017
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UGC-NET/GATE Multiple Choice Questions for Operating System.

Question 1
File attributes consist of :
  1. name
  2. type
  3. identifier
  4. content
  5. size
b,
A
I and III
B
II,III and V
C
II, III and IV
D
I,II,III and V
Question 2
How are access to resources of various machines is done ?
  1. Remote logging using ssh or telnet
  2. Remote Desktop
  3. FTP is not used
  4. Zone are configured for automatic access
A
I and III
B
II and III
C
II, III and IV
D
I and II
Question 3
Semaphores are mostly used to implement :
A
System calls
B
IPC mechanisms
C
System protection
D
none of the above
Question 4
Using EDF algorithm practically, it is impossible to achieve 100 percent utilization due to :
  1. the cost of context switching
  2. interrupt handling
  3. power consumption
  4. All of these
A
I and III
B
II and III
C
II, III and IV
D
I and II
Question 5
A dedicated device is :
  1. opposite to a sharable device
  2. same as a sharable device
  3. can be used concurrently by several processes
  4. cannot be used concurrently by several processes
A
I and III
B
II and III
C
II, III and IV
D
I and IV
Question 6
RAID level 3 does not have ......... as in RAID level 1.
A
efficiency
B
enough storage space for data
C
storage overhead
D
time consumption overhead
Question 7
Addressing structure
A
defines the fundamental method of determining effective operand addresses
B
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.
C
all of the above
D
None of the above
Question 8
The ........ consists of all processes whose memory images are in the backing store or in memory and are ready to run.
A
wait queue
B
ready queue
C
CPU
D
secondary storage
Question 9
What is the drawback of banker s algorithm?
A
in advance processes rarely know that how much resource they will need
B
the number of processes changes as time progresses
C
resource once available can disappear
D
all of the above
Please report wrong answer in comment box
There are 9 questions to complete.

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