Operating systems concept MCQ Test 44

By | October 3, 2017

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

Question 1
Computer interface that is used by DOS is called
A
menu driven interface
B
command driven interface
C
design interface
D
system interface
Question 2
I/O tables are used to manage
A
Memory
B
I/O Modules
C
Programmed I/O
D
I/O Devices
Question 3
..... policy selects the disk I/O request that requires the least movement of the disk arm from its current position.
A
FSCAN
B
SSTF
C
SCAN
D
C-SCAN
Question 4
What are characteristics of process migration?
A
transfer data by entire file or immediate portion required
B
transfer the computation rather than the data
C
execute an entire process or parts of it at different sites
D
none of the mentioned
Question 5
You are the administrator of a network that consists of Windows 2000 Server computers and Windows 2000 Professional computers. You want to configure the deployment of the most recent Windows 2000 service pack so that users of the Windows 2000 Professional computers receive the service pack automatically when they log on to the domain. What should you do?
A
Create a Microsoft Windows installer package for the service pack. Configure RIS to use the package
B
Create a Microsoft Windows Installer package for the service pack. Configure the package in a Group Policy
C
Create a Microsoft-Windows Installer package for the service pack. Configure the package in the Local Computer Policy
D
Place the service pack in a Distributed file system (Dfs)
Question 6
In real time operating system
A
all processes have the same priority
B
a task must be serviced by its deadline period
C
process scheduling can be done only once
D
kernel is not required
Question 7
A Unix-style i-node has 10 direct pointers and one single, one double and one triple indirect pointers. Disk block size is 1 Kbyte, disk block address is 32 bits, and 48-bit integers are used. What is the maximum possible file size?
A
$2^24$ bytes
B
$2^32$ bytes
C
$2^34$ bytes
D
$2^48$ bytes
Question 8
A server crash and recovery will.......... to a client.
A
be visible
B
affect
C
be invisible
D
harm
Question 9
What protocol(s) is(are) allowed a user to retrieve her/his mail from the mail server to her/his mail reader?
A
POP3
B
FTP
C
MAP
D
All of the above
Question 10
A process having multiple threads of control implies:
A
it can do more than one task at a time
B
it can do only one task at a time, but much faster
C
it has to use only one thread per process
D
none of the mentioned
Question 11
A.......... is a software that manages the time of a microprocessor to ensure that all time critical events are processed as efficiently as possible. This software allows the system activities to be divided into multiple independent elements called tasks.
A
Kernel
B
Shell
C
Processor
D
Device Driver
Question 12
The mount request is mapped to the corresponding.......... and is forwarded to the mount server running on the specific server machine.
A
IPC
B
System
C
CPU
D
RPC
Question 13
Depending on CPU utilization during course of processing, jobs can be classified into
A
Two types
B
Three types
C
Four types
D
Five types
Question 14
Semaphores
A
synchronize critical resources to prevent deadlock
B
synchronize critical resources to prevent contention
C
are used to do I/O
D
are used for memory management
Question 15
Scheduling is
A
allowing jobs to use the processor
B
unrelated to performance consideration
C
not required in uniprocessor systems
D
the same regard-less of the purpose of the system
Question 16
Internet provides.......... for remote login.
A
telnet
B
http
C
ftp
D
RPC
There are 16 questions to complete.

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