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OSG202 FE Questions And Answers With Latest Updates

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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...

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  • November 6, 2024
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  • OSG202 FE
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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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