GATE operating system

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Operating System MCQ

Question 241 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When memory is divided into several fixed sized partitions, each partition may contain.....
A
exactly one process
B
atleast one process
C
multiple processes at once
D
none of the mentioned
Question 242 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Thrashing can be avoided if
A
the pages, belonging to the working set of the programs, are in main memory
B
the speed of CPU is increased
C
the speed of I/O processor is increased
D
all of the above
Question 243 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Your Windows 2000 server Computer contains data files that users of client computers access throughout the day. You install a driver for the new tape drive on the computer. After restarting the computer you log on as an administrator, shortly after you log on you receive the following stop error "irql...not...less...6r...equal". You need to bring the server back on line as quickly and reliably as possible. What should you do?
A
Restart the computer by using the last known good menu option
B
Perform an emergency repair and select fast repair, restart the computer
C
Restart the computer in the safe mode, remove the driver and restart the computer
D
Restart the computer by using the recovery console, disable the driver. Restart the computer, remove the driver
Question 244 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The function(s) performed by the paging software is (are)
A
Implementation of the access environment for all programs in the system
B
Management of the physical address space
C
Sharing and protection
D
All of the above
Question 245 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
LRU stands for?
A
Least Recently used
B
Less Recently used
C
Least Recurrently used
D
Least Randomly used
Question 246 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which command is used to remove the read permission of the file 'note' from both the group and others?
A
chmod go+r note
B
chmod go+rw note
C
chmod go-x note
D
chmod go-r note
Question 247 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Lossy and lossless are classifications of:
A
multimedia storage systems
B
files
C
compression algorithms
D
all of the mentioned
Question 248 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Computer menu is a collection of
A
commands
B
orders
C
instructions
D
icons
Question 249 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is operating system?
A
collection of programs that manages hardware resources
B
system service provider to the application programs
C
link to interface the hardware and application programs
D
all of the mentioned
Question 250 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Graphical user interface was introduced in
A
1935
B
1960
C
1970
D
1980
There are 250 questions to complete.