Operating Systems
Process Concepts and Cpu Scheduling
Marks 1Marks 2
Synchronization and Concurrency
Marks 1Marks 2
Memory Management
Marks 1Marks 2Marks 5
File System IO and Protection
Marks 1Marks 2Marks 5
1
GATE CSE 2024 Set 2
MCQ (More than One Correct Answer)
+1
-0

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

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 2021 Set 1
MCQ (More than One Correct Answer)
+1
-0
In the context operating systems, which of the following statements is/are correct with respect to paging?
A
Paging incurs memory overheads.
B
Paging helps solve the issue of external fragmentation.
C
Page size has no impact on internal fragmentation.
D
Multi-level paging is necessary to support pages of different sizes.
4
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.
GATE CSE Subjects
Theory of Computation
Operating Systems
Algorithms
Digital Logic
Database Management System
Data Structures
Computer Networks
Software Engineering
Compiler Design
Web Technologies
General Aptitude
Discrete Mathematics
Programming Languages
Computer Organization