UGC-NET/GATE Multiple Choice Questions for Operating System.
Computer interface that is used by DOS is called
menu driven interface
command driven interface
I/O tables are used to manage
..... policy selects the disk I/O request that requires the least movement of the disk arm from its current position.
What are characteristics of process migration?
transfer data by entire file or immediate portion required
transfer the computation rather than the data
execute an entire process or parts of it at different sites
none of the mentioned
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?
Create a Microsoft Windows installer package for the service pack. Configure RIS to use the package
Create a Microsoft Windows Installer package for the service pack. Configure the package in a Group Policy
Create a Microsoft-Windows Installer package for the service pack. Configure the package in the Local Computer Policy
Place the service pack in a Distributed file system (Dfs)
In real time operating system
all processes have the same priority
a task must be serviced by its deadline period
process scheduling can be done only once
kernel is not required
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 server crash and recovery will.......... to a client.
What protocol(s) is(are) allowed a user to retrieve her/his mail from the mail server to her/his mail reader?
All of the above
A process having multiple threads of control implies:
it can do more than one task at a time
it can do only one task at a time, but much faster
it has to use only one thread per process
none of the mentioned
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.
The mount request is mapped to the corresponding.......... and is forwarded to the mount server running on the specific server machine.
Depending on CPU utilization during course of processing, jobs can be classified into
synchronize critical resources to prevent deadlock
synchronize critical resources to prevent contention
are used to do I/O
are used for memory management
allowing jobs to use the processor
unrelated to performance consideration
not required in uniprocessor systems
the same regard-less of the purpose of the system
Internet provides.......... for remote login.
There are 16 questions to complete.