Operating systems concept MCQ Test 32

By | October 3, 2017

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

Question 1
The following is not a layer of IO management module
A
PIOCS (Physical Input Output Control System)
B
LIOCS (Logical Input Output Control System)
C
FS (File System)
D
MCS (Management Control System)
Question 2
The streaming that takes place as the event is occurring is:
A
live streaming
B
dead streaming
C
static streaming
D
on demand streaming
Question 3
Modular design helps to enhance
A
Functionality
B
Reliability
C
Portability
D
Flexibility
Question 4
The operating system manages.....
A
Memory
B
Processor
C
Disk and I/O devices
D
All of the above
Question 5
You need to install network adapters in 20 ISA-bus computers. Which rule must you follow when installing the network adapters?
A
All adapters in a computer, including the network adapter, must be set to the same IRQ
B
All adapters in a computer, including the network adapter, must be set to different IRQs
C
All network adapters in all computers on the same network must be set to the same IRQ
D
All network adapters in all computers on the same network must be set to different IRQs
Question 6
Fast response of real time processing is considered as its
A
advantage
B
disadvantage
C
characteristic
D
network
Question 7
More than one word are put in one cache block to
A
exploit the temporal locality of reference in a program
B
exploit the spatial locality of reference in a program
C
reduce the miss penalty
D
none of the above
Question 8
The OS X has
A
monolithic kernel
B
hybrid kernel
C
microkernel
D
monolithic kernel with modules
Question 9
Using Priority Scheduling algorithm, find the average waiting time for the following set of processes given with their priorities in the order: Process: Burst Time: Priority respectively. P1: 10: 3, P2: 1: 1, P3: 2: 4, P4: 1: 5, P5: 5: 2.
A
8 milliseconds
B
8.2 milliseconds
C
7.75 milliseconds
D
3 milliseconds
Question 10
Access time is the highest in the case of
A
floppy disk
B
cache
C
swapping devices
D
magnetic disk
Question 11
Input output device allocation is provided by
A
inputs
B
outputs
C
operating system
D
memory
Question 12
Poor response time are usually caused by
A
Process busy
B
High I/I rates
C
High paging rate
D
Any of the above
Question 13
How can you recreate the PTR record in your Windows 2000 DNS server from you Windows 2000 client?
A
Run ipconfig /registerdns from the client
B
Run ipconfig all /registerdns from the DNS server
C
Start the DNS Dynamic service on your client computer
D
Create a host file with the #DYNAMIC command on the client computer
Question 14
On a single processor four jobs are to be executed. At time t = (0) + (jobs arrive in the order of A, B, C, D). The burst CPU time requirements are 4, 1, 8, 1 time units respectively. Under Round Robin Scheduling with the time slice of 1 time unit the completion time of A is..........
A
3
B
5
C
7
D
9
Question 15
.......... is a facility that allows programmers to address memory from a logical point of view, without regard to the main memory, physically available.
A
Visual memory
B
Real memory
C
Virtual memory
D
Secondary memory
Question 16
The problem of variable delay in video conferencing is removed using
A
packet filter
B
time stamp
C
gateway
D
router
There are 16 questions to complete.

Leave a Reply

Your email address will not be published. Required fields are marked *