1
GATE CSE 2024 Set 2
MCQ (More than One Correct Answer)
+1
-0.33

Which of the following tasks is/are the responsibility/responsibilities of the memory management unit (MMU) in a system with paging-based memory management?

A

Allocate a new page table for a newly created process

B

Translate a virtual address to a physical address using the page table

C

Raise a trap when a virtual address is not found in the page table

D

Raise a trap when a process tries to write to a page marked with read-only permission in the page table

2
GATE CSE 2023
MCQ (More than One Correct Answer)
+1
-0.33

Which one or more of the following options guarantee that a computer system will transition from user mode to kernel mode?

A
Function Call
B
malloc Call
C
Page Fault
D
System Call
3
GATE CSE 2020
MCQ (Single Correct Answer)
+1
-0.33
Consider allocation of memory to a new process. Assume that none of the existing holes in the memory will exactly fit the process's memory requirement. Hence, a new hole of smaller size will be created if allocation is made in any of the existing holes. Which one of the following statements is TRUE?
A
The hole created by worst fit is always larger than the hole created by first fit.
B
The hole created by best fit is never larger than the hole created by first fit.
C
The hole created by first fit is always larger than the hole created by next fit.
D
The hole created by next fit is never larger than the hole created by best fit.
4
GATE CSE 2016 Set 2
MCQ (Single Correct Answer)
+1
-0.3
In which one of the following page replacement algorithms it is possible for the page fault rate to increase even when the number of allocated frames increases?
A
$$LRU$$ (Least Recently Used)
B
$$OPT$$ (Optimal Page Replacement)
C
$$MRU$$ (Most Recently Used)
D
$$FIFO$$ (First In First Out)
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