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Operating Systems
Process Concepts and Cpu Scheduling
Marks 1Marks 2
Synchronization and Concurrency
Marks 1Marks 2
Deadlocks
Marks 1Marks 2Marks 5
Memory Management
Marks 1Marks 2Marks 5
File System IO and Protection
Marks 1Marks 2Marks 5
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1
GATE CSE 2001
MCQ (Single Correct Answer)
+2
-0.6
Consider a machine with 64 MB physical memory and a 32-bit virtual address space. If the page size is 4KB, what is the approximate size of the page table?
A
16 M
B
8 MB
C
2 MB
D
24 MB
2
GATE CSE 2000
MCQ (Single Correct Answer)
+2
-0.6
Suppose the time to service a page fault is on the average $$10$$ milliseconds, while a memory access takes $$1$$ microsecond. Then a $$99.99$$% hit ratio results in average memory access time of.
A
$$1.9999$$ milliseconds
B
$$1$$ millisecond
C
$$9.999$$ microseconds
D
$$1.9999$$ microseconds
3
GATE CSE 1999
MCQ (More than One Correct Answer)
+2
-0
Which of the following is/are advantage of virtual memory?
A
Faster access to memory on an average.
B
Processes can be given protected address spaces.
C
Linker can assign addresses independent of where the program will be loaded in physical memory.
D
Programs larger than the physical memory size can be run.
4
GATE CSE 1998
MCQ (Single Correct Answer)
+2
-0.6
The overlay tree for a program is as shown below: GATE CSE 1998 Operating Systems - Memory Management Question 56 English

What will be the size of the partition (in physical memory) required to load (and run) this program?

A
$$12$$ $$KB$$
B
$$14$$ $$KB$$
C
$$10$$ $$KB$$
D
$$8$$ $$KB$$
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Questions Asked from Marks 2
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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