OSG202 FE Questions And Answers With Latest Updates
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Course
OSG202 FE
Institution
OSG202 FE
OSG202 FE Questions And Answers With Latest Updates
Which is the maximum partition size, if FAT type is FAT-12 and the block size is 2 KB?
256 MB
8 MB
512 MB
128 MB ANS 8 MB
Which deadlock condition does "Take resources away" attack?
Hold and wait
Mutual exclusion
Circular-wait conditio...
OSG202 FE Questions And Answers With Latest
Updates
Which is the maximum partition size, if FAT type is FAT-12 and the block size is 2 KB?
256 MB
8 MB
512 MB
128 MB ANS 8 MB
Which deadlock condition does "Take resources away" attack?
Hold and wait
Mutual exclusion
Circular-wait condition
No preemption ANS No preemption
File Structure can be: *
Byte sequence
All of the other choices
Record sequence
Tree ANS All of the other choices
The page size that is too small will generate ____ *
Excessive external fragmentation
Excessive internal fragmentation
Very long Page tables
More difficult to calculate actual position ANS Very long Page tables
Which of the following statements does not apply to manual deadlock management? *
None of the other choices
,Deadlock is relatively infrequent for some system resources
Recovery may involves rebooting the system
OS designers are normally very sensitive to deadlock when designing resource managers ANS
OS designers are normally very sensitive to deadlock when designing resource managers
The first-come, first-served (FCFS) algorithm is fine for most ____ systems *
Multiuser
Batch
Real time
Interactive ANS Batch
Which of the following statements about interrupts and trap instructions is incorrect? *
A trap instruction is a software-generated interrupt
An interrupt is a hardware-generated change of control flow within the system
None of the other choices
An interrupt handler deals with the cause of the interrupt ANS None of the other choices
Five batch jobs A through E, arrive at a computer center at almost the same time. They have
estimated running times of 8, 6, 2, 10, and 4 minutes. Determine the average turnaround time for
FCFS scheduling. Ignore process switching overhead. *
18 minutes
17 minutes
20 minutes
18.8 minutes ANS 18.8 minutes
The methods determine where page is on the disk when it is paged out is *
Backing up pages dynamically
None of the other choices
Paging to a static swap area
, Both Paging to a static swap area and Backing up pages dynamically ANS Both Paging to a static
swap area and Backing up pages dynamically
If a system is deadlocked, no processes can *
1/1
All of the other choices
run
release resources
be awakened ANS All of the other choices
What is not true about Mutex? *
0/1
Is good only for managing mutual exclusion to some shared resource or piece of code
Has integer value that can range over an unrestricted domain
Is a variable that can be in one of two states: unlocked or locked
A simplified version of the semaphore when the semaphore's ability to count is not needed ANS
Has integer value that can range over an unrestricted domain
____ is a specialized WRITE command for existing data files that allows for appending records or
for rewriting selected records in their original place in the file. *
1/1
MODIFY
APPEND
REWRITE
UPDATE ANS MODIFY
Which of the following statements is incorrect about I/O using DMA? *
1/1
DMA is software solution to speed up data transfer between I/O device and memory
DMA helps free up the CPU during the I/O to do other work
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