1
GATE CSE 2014 Set 3
Numerical
+1
-0
A system uses $$3$$ page frames for storing process pages in main memory. It uses the Least Recently Used $$(LRU)$$ page replacement policy. Assume that all the page frames are initially empty. What is the total number of page faults that will occur while processing the page reference string given below?
$$$4,7,6,1,7,6,1,2,7,2$$$
Your input ____
2
GATE CSE 2014 Set 3
Numerical
+2
-0
Consider a paging hardware with a TLB. Assume that the entire page table and all the pages are in the physical memory. It takes 10 milliseconds to search the TLB and 80 milliseconds to access the physical memory. If the TLB hit ratio is 0.6, the effective memory access time (in milliseconds) is______________.
Your input ____
3
GATE CSE 2014 Set 3
Numerical
+2
-0
A system contains three programs and each requires three tape units for its operation. The Minimum number of tape units which the system must have such that deadlocks never arise is _________.
Your input ____
4
GATE CSE 2014 Set 3
Numerical
+2
-0
An operating system uses $$shortest$$ $$remaining$$ $$time$$ $$first$$ scheduling algorithm for pre-emptive scheduling of processes. Consider the following set of processes with their arrival times and $$CPU$$ burst times (in milliseconds):
Process | Arrival Time | Burst Time |
---|---|---|
P1 | 0 | 12 |
P2 | 2 | 4 |
P3 | 3 | 6 |
P4 | 8 | 5 |
The average waiting time (in milliseconds) of the processes is ________.
Your input ____
Paper analysis
Total Questions
Algorithms
3
Compiler Design
2
Computer Networks
6
Computer Organization
3
Data Structures
6
Database Management System
5
Digital Logic
4
Discrete Mathematics
14
Operating Systems
4
Programming Languages
2
Software Engineering
1
Theory of Computation
4
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